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Physical Institute

Spectroscopy of soft Matter group - Prof. Dr. Jürgen Köhler

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Publications


2024

Akinoglu, Eser Metin ; Song, Jingchao ; Kinnear, Calum ; Xue, Yafei ; Zhang, Heyou ; Roberts, Ann ; Köhler, Jürgen ; Mulvaney, Paul:
Concealed Structural Colors Uncovered by Light Scattering.
Advanced Optical Materials. Bd. 8 (2020) Heft 22 . - 2001307.
ISSN 2195-1071; DOI: 10.1002/adom.202001307
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2023

S. Stäter, F. A. Wenzel, H. Welz, K. Kreger, J. Köhler, H.W. Schmidt, R. Hildner
Directed Gradients in the Excited-State Energy Landscape of Poly(3-hexylthiophene) Nanofibres
J.Am.Chem.Soc., 145, 13780-13787 (2023), DOI: 10.1021/jacs.3c02117
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2022

I. Elvers, T. C. Nguyen-Phan, A. T. Gardiner, C. N. Hunter, R. J. Cogdell, J. Köhler
Phasor analysis reveals multicomponent fluorescence kinetics in the LH2 comples from Mch. Purpuratum
J. Phys. Chem B., 126, 10335-10346 (2022), DOI: 10.1021/acs.jpcb.2c04983
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A. Albert, M. Fried, M. Thelakkat, J. Köhler
Emission modulation of fluorescent Turn-on mode Dibenzothienyl sulfonyl ethene photoswitches embedded in a polymer film
Phys. Chem. Chem. Phys., 24, 29791 (2022), DOI: 10.1039/d2cp05062e
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E. Multamäki, A. García de Fuentes, O. Sieryi, a. Bykov, U. Gerken, A. T. Rnzani, J. Köhler, I. Meglinski, A. Möglich, H. Takala
Optogenetic Control of Bacterial Expression by Red Light
ACS Synth. Biol., 11, 3354-367 (2022), DOI: 10.1021/acssynbio.2c00259
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T.H. Panintingjati Brotosudarmo, B. Wittmann, S. Seki, R. Fujii, J. Köhler
Wavelength-Dependent Optical Response of Single Photosynthentic Antenna Complexes from Siphonous Green Alga Codium fragile
J. Phys. Chem. Lett., 13, 5226-5231 (2022), DOI: 10.1021/acs.jpclett.2c01160
J. Phys. Chem. Lett., 13, 7802b-7803 (2022), DOI: 10.1021/acs.jpclett.2c02416
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T.H. Panintingjati Brotosudarmo, B. Wittmann, S. Seki, R. Fujii, J. Köhler
Preprocess dependence of pftical proberties of ensembles and single siphonaxanthin-containing major antenna from the marine green alga Codium fragile
Scientific Reports, 12, 8461 (2022), DOI: 10.1038/s41598-022-11572-3
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2021

P. Beer, P. Reichstein, K. Schötz, D. Raithel, M. Thelakkat, J. Köhler, F. Panzer, R. Hildner
Disorder in P3HT nanoparticles probed by optical spectroscopy on P3HT-B-PEG micelles
J. Phys. Chem. A, 125 (2021), 10165-10173, DOI: 10.1021/acs.jpca.1c08377
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B. Wittmann, T. Biskup, K. Kreger, J. Köhler, H.W. Schmidt, R. Hildner
All-optical control of singlet exciton transport in individual supramolecular nanostructures by triplet gating
Nanoscale Horizons, 6 (2021), 998, DOI: 10.1039/d1nh00514f
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T. Kunsel, L.M. Günther, J. Köhler, T.L.C. Jansen, J. Knoester
Probing Size Variations of Molecular Aggregates inside Chlorosomes using Single-Particle Spectroscopy
J. Chem. Phys., 155 (2021), 124310, DOI: 10.1063/5.0061529
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J. Maier, T. Weller, M. Thelakkat, J. Köhler
Long-term switching of single photochromic triads based on dithienylcyclopenten and fluorophores
J. Chem. Phys., 155 (2021), 014901, DOI: 10.1063/5.0056815
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L.M. Günther, J. Knoester, J. Köhler
Limitations of Linear Dichroism Spectroscopy for Elucidating Structural Issues of Light-Harvesting Aggregates in Chlorosomes
Molecules, 26 (2021), 899, DOI: 10.3390/molecules26040899
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2020

E.M. Akinoglu, C. Kinnear, Y. Xue, H. Zhang, J. Köhler, P. Mulvaney
Concealed Structural Colours Uncovered by Light Scattering
Adv. Opt. Mater., (2020), 1 – 8, DOI: 10.1002/adom.202001307
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T. Kunsel, A. Löhner, J. Mayo, J. Köhler, T.L. C. Jansen, J. Knoester
Unraveling intra-aggregate structural disorder using single-molecule spectroscopy
J. Chem. Phys., 153 (2020), 134304-134304-12, DOI: 10.1063/5.0023551
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D. Golonka, U. Gerken, J. Köhler, A. Möglich
The Associtation Kinetics Encode the Light Dependence of Arabidopis Phytochrome B Interactions
J. Mol. Biol., 432 (2020), 4327-4340, DOI: 10.1016/j.jmb.2020.06.001
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B. Wittmann, F.A. Wenzel, S. Wiesneth, A.T. Haedler, M. Drechsler, K. Kreger, J. Köhler, E. W. Meijer, H.-W. Schmidt, R. Hildner
Enhancing Long-Range Energy Transport in Supramolecular Architectures by Tailoring Coherence Properties
J. Am. Chem. Soc. 142 (2020), 8323-8330, DOI: 10.1021/jacs.0c01392
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2019

H.N. Ho, D. Zalami, J. Köhler, A. M. van Oijen and H. Ghodke
Identification of Multiple Kinetic Populations of DNA-Binding Proteins in Live Cells
Biophys. J. 117 (2019) 950-961, DOI: 10.1016/j.bpj.2019.07.015
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K. Wilma, C. Shu, U. Scherf, R. Hildner
Two-photon induced ultrafast coherence decay of highly excited states in single molecules
New J. Phys. 21 (2019) 1367-2630, DOI: 10.1088/1367-2630/ab115d
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K. Wilma, C. Shu, U. Scherf, R. Hildner
Visualising Hidden Ultrafast Processes in Individual Molecules by Single-Pulse Coherent Control
J. Am. Chem. Soc. 140 (2018) 15329-15335, DOI: 10.1021/jacs.8b08674
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J. Köhler, R.J. Cogdell
Studying Conformational Changes of Proteins via Single Molecule Spectroscopy: Cryogenic Temperatures Versus Room Temperature
Ed. B. Grimm: Advances in Botanical Research (2019); Elsevier Ltd., DOI: 10.1016/bs.abr.2018.12.002, ISSN 0065-2296
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A. Löhner, T. Kunsel, M.I.S. Röhr, T.L.C. Jansen, S. Sengupta, F. Würthner, J. Knoester, J. Köhler
Spectral- and structural variations of biomimetic light-harvesting nanotubes
J. Phys. Chem Lett. 10 (2019), 2715-2724, DOI: 10.1021/acs.jpclett.9b00303
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2018

D. Zalami, O. Grimm, F. H. Schacher, U. Gerken, J. Köhler
Non-Invasive Study of the Three-Dimensional Structure of Nanoporous Polymer Membranes
Soft Matter 14 (2018) 9750-9754, DOI: 10.1039/c8sm01870g
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A.V. Naumov, A.A. Gorshelev, M.G. Gladush, T.A. Anikushina, A.V. Golovanova, J. Köhler, L. Kador
Micro-Refractometry and Local-Field Mapping with Single Molecules
Nano Lett., 18 (2018) 6129-6134, DOI: 10.1021/acs.nanolett.8b01753
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J. Maier, M. Pärs, K. Gräf, M. Thelakkat, J. Köhler
Light Controls Light: Single Molecules as Optical Switches
European Phys. Journals Web of Conferences 190 (2018) 02006, HBSM-2018,
DOI: 10.1051/epjconf/201819002006
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L.M. Günther, A. Löhner, C. Reiher, T. Kunsel, T. L.C. Jansen, M. Tank, D. A. Bryant, J. Knoester, J. Köhler
Structural Variations in Chlorosomes from Wild-Type and a bchQR Mutant of Chlorobaculum tepidum Revealed by Single-Molecule Spectroscopy
J. Phys. Chem. B 122 (2018) 6712-6723, DOI: 10.1021/acs.jpcb.8b02875
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D. Raithel, L. Simine, S. Pickel, K. Schötz, F. Panzer, S. Baderschneider, D. Schiefer, R. Lohwasser, J. Köhler, M. Thelakkat, M. Sommer, A. Köhler, P.J. Rossky, R. Hildner
Direct Observation of Backbone Planarisation via Side-Chain Alignment in Single Bulky-Substituted Polythiophenes          
Proc. Natl. Acad. Sci. 115 (2018) 2699-2704, DOI: 10.1073/pnas.1719303115
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2017

A. Löhner, R. Cogdell, J. Köhler
Contribution of Low-Temperature Single-Molecule Techniques to Structural Issues of Pigment-Protein Complexes from Photosynthetic Purple Bacteria
J. R. Soc. Interface 15 (2017) 20170680, DOI: 10.1098/rsif.2017.0680
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F.M. Keheze, D. Raithel, T. Wu, D. Schiefer, M. Sommer, R. Hildner, G. Reiter
Signatures of Melting and Recrystallization of a Bulky Substituted Poly(thiophene) Identified by Optical Spectroscopy Macromolecules 50 (2017) 6829-6839, DOI: 10.1021/acs.macromol.7b01080
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J. Thurn, J. Maier, M. Pärs, K. Gräf, M. Thelakkat, J. Köhler
Temperature Dependence of the Conversion Efficiency of Photochromic Perylene Bisimide Dithienylcyclopentene Triads Embedded in a Polymer
Phys. Chem. Chem. Phys. 19 (2017) 26065-26071, DOI: 10.1039/c7cp03634e
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Cheng Li, Antonio Guerrero, Yu Zhong, Anna Gräser, Carlos Melo Luna, J. Köhler, Juan Bisquert, R. Hildner, S. Hüttner
Real-Time Direct Observation of Iodide Ion Migration in Methylammonium Lead Halide Perovskites
Small 13 (2017) 1701711 (1-10), DOI: 10.1002/smll.201701711
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S. Motamen, C. Schörner, D. Raithel, J.-P. Malval, T. Jarrosson, F. Serein-Spirau, L. Simon, R. Hildner, G. Reiter
Low Loss Optical Waveguide in Large Single Crystals of a Thiophene-Based Oligomer
Phys. Chem. Chem. Phys. 19 (2017) 15980-15987, DOI: 10.1039/c7cp01639e
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K. Wilma, T. Unger, S. Tuncel Kostakoglu, M. Hollfelder, C. Hunger, A. Lang, A. G. Gürek, M. Thelakkat, J. Köhler, A. Köhler, S. Gekle, R. Hildner
Excited State Dynamics and Conformations of a Cu(ll)-Phthalocyanine-Perylenebisimide Dyad
Phys. Chem. Chem. Phys. 19 (2017) 22169-22176, DOI: 10.1039/c7cp04026a
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T. Brixner, R. Hildner, J. Köhler. C. Lambert, F. Würthner
Exciton Transport in Molecular Aggregates from Natural Antennas to Synthetic Chromophore Systems
Advanced Energy Materials 7 (2017) 1700236, DOI: 10.1002/aenm.201700236
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J. Maier, M. Pärs, T. Weller, M. Thelakkat, J. Köhler
Deliberate Switching of Single Photochromic Triads
Scientific Reports 7 (2017) 41739-1 – 41739-8, DOI: 10.1038/srep41739
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R. Hildner, A. Köhler, P. Müller-Buschbaum, F. Panzer, M. Thelakkat
π-Conjugated Donor Polymers: Structure Formation and Morphology in Solution, Bulk and Photovoltaic Blends
Adv. Energy Mater. 7 (2017) 1700314, DOI: 10.1002/aenm.201700314
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2016

D. Raithel, S. Baderschneider, T.B. de Queiroz, R. Lohwasser, J. Köhler, M. Thelakkat, S. Kümmel, R. Hildner
The Emitting Species of Poly(3-hexylthiophene): From Single, Isolated Chains to Bulk
Macromolecules 49 (2016) 9553−9560, DOI: 10.1021/acs.macromol.6b02077
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S. Motamen, D. Raithel, R. Hildner, K. Rahimi, T. Jarrosson, F. Serein-Spirau, L. Simon, G. Reiter
Revealing Order and Disorder in Films and Single Crystals of a Thiophene-Based Oligomer by Optical Spectroscopy
ACS Photonics 3 (2016) 2315-2323, DOI: 10.1021/acsphotonics.6b00473
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M. Reichenberger, S. Baderschneider, D. Kroh, J. Köhler, R. Hildner, A. Köhler
Watching Paint Dry: The Impact of Diiodooctane on the Kinetics of Aggregate Formation in Thin Films of Poly(3-hexylthiophene)
Macromolecules 49 (2016) 6420-6430, DOI: 10.1021/acs.macromol.6b01257
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A. Löhner, K. Ashraf, R.J. Cogdell, J. Köhler
Fluorescence-Excitation and Emission Spectroscopy on Single FMO Complexes
Scientific Reports 6 (2016) 31875-31880; DOI: 10.1038/srep31875
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C. Li, Y. Zhong, C. A. Melo Luna, T. Unger, K. Deichsel, A. Gräser, J. Köhler, A. Köhler, R. Hildner, S. Huettner
Emission Enhancement and Intermittency in Polycrystalline Organolead Halide Perovskite Films
Molecules 21 (2016) 1081-1092, Doi:10.3390/molecules21081081
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L.M. Günther, M. Jendrny, E.A. Bloemsma, M. Tank, G.T. Oostergetel, D.A. Bryant, J. Knoester, J. Köhler
Structure of Light-Harvesting Aggregates in Individual Chlorosomes
J. Phys. Chem. B 120 (2016) 5367-5376, DOI: 10.1021/acs.jpcb.6b03718
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F. Panzer, S. Baderschneider, T. Gujar, T. Unger, S. Bagnich, M. Jakoby, H. Bässler, S. Hüttner, J. Köhler, R. Moos, M. Thelakkat, R. Hildner, A. Köhler   
Reversible Laser Induced Amplified Spontaneous Emission from Coexisting Tetragonal and Orthorhombic Phases in Hybrid Lead Halide Perovskites
Adv. Optical Mater. 4 (2016) 917-928, DOI: 10.1002/adom.201500765
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K. Wilma, A. Issac, Z. Chen, F. Würthner, R. Hildner, J. Köhler
Tracing Single Electrons in a Disordered Polymer Film at Room Temperature
J. Phys. Chem. Lett. 7 (2016) 1478–1483, DOI: 10.1021/acs.jpclett.6b00446
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S. Baderschneider, U. Scherf, J. Köhler, R. Hildner
Influence of the Conjugation Length on the Optical Spectra of Single Ladder-Type (p-Phenylene) Dimers and Polymers
J. Phys. Chem. A 120 (2016) 233-240, DOI: 10.1021/acs.jpca.5b10879
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2015

M. Schörner, S.R. Beyer, J. Southall, R.J. Cogdell, J. Köhler        
Conformational Memory of a Protein Revealed by Single-Molecule Spectroscopy
J. Phys. Chem. B 119 (2015) 13964−13970, DOI: 10.1021/acs.jpcb.5b07494
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M. Schörner, S.R. Beyer, J. Southall, R.J. Cogdell, J. Köhler        
Multi-Level, Multi Time-Scale Fluorescence Intermittency of Photosynthetic LH2 Complexes. A Precursor of Non-Photochemical Quenching?
J. Phys. Chem. B 119 (2015) 13958−13963, DOI: 10.1021/acs.jpcb.5b06979
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M. Pajusalu, R. Kunz, M. Rätsep, K. Timpmann, J. Köhler, A. Freiberg
Unified Analysis of Ensemble and Single-Complex Optical Spectral Data from Light- Harvesting 2 Chromoproteins for Gaining Deeper Insight into Bacterial Photosynthesis
Phys. Rev. E 92 (2015) 052709-12, DOI: 10.1103/PhysRevE.92.052709
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A.T. Haedler, K. Kreger, A. Issac, M. Kivala, N. Hammer, J. Köhler, H.-W. Schmidt, R. Hildner
Long-Range Energy Transport in Single Supramolecular Nanofibres at Room Temperature
Nature 523 (2015) 196-199, DOI: 10.1038/nature14570
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S.R. Beyer, L. Müller, J. Southall, R.J. Cogdell, G.M. Ullmann, J. Köhler
The Open, the Closed and the Empty: Time-resolved Fluorescence Spectroscopy and Computational Analysis of RC-LH1 Complexes from Rhodopseudomonas palustris
J. Phys. Chem. B 119 (2015) 1362-1373, DOI: 10.1021/jp510822k
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A. Löhner, A.-M. Carey, K. Hacking, N. Picken, S. Kelly, R. Cogdell, J. Köhler
The Origin of the Split B800 Absorption Peak in the LH2 Complexes from Allochromatium vinosum
Photosynth. Res. 123 (2015) 23-31, DOI: 10.1007/s11120-014-0036-2
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2014

F. Spreitler, M. Sommer, M. Thelakkat, S. Gekle, J. Köhler
Unravelling the Conformationas of di(perylene bisimide acrylate) by combining Time-Resolved Fluorescence-Anisotropy Experiments and Molecular Modelling
Phys. Chem. Chem. Phys. 16 (2014) 25959-25967, DOI: 10.1039/c4cp03064h
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A.T. Haedler, S.R. Beyer, N. Hammer, R. Hildner, M. Kivala, J. Köhler, H.W. Schmidt
Synthesis and Photophysical Properties of Multichromophoric Carbonyl-Bridged Triarylamines
Chemistry a European Journal 20 (2014) 11708-11718, DOI: 10.1002/chem.201403667
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C.E.Susa, J.H. Reina, R. Hildner
Plasmon-Assisted Quantum Control of Distant Emitters
Phys. Lett. A 378 (2014) 2372-2376 DOI: 10.1016/j.physleta.2014.06.038
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R. Kunz, K. Timpmann, J. Southall, R.J. Cogdell, A. Freiberg, J. Köhler
Single-Molecule Spectroscopy Unmasks the Lowest Exciton State of the B850 Assembly in LH2 from Rps. acidophila
Biophys. J. 106 (2014) 2008-2016, DOI: 10.1016/j.bpj.2014.03.023
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D. Brinks, R. Hildner, E. M.H.P. van Dijk, F.D. Stefani, J.B. Nieder, J.Hernando, N.F. van Hulst.
Ultrafast Dynamics of Single Molecules
Chem. Soc. Rev. 43 (2014) 2476-2491 DOI: 10.1039/C3CS60269A
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M. Jendrny, T.J. Aartsma, J. Köhler
Insights into the Excitonic States of Individual Chlorosomes from Chlorobaculum tepidum
Biophys. J. 106 (2014) 1921-1927, DOI: 10.1016/j.bpj.2014.03.020
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D. Ernst, J. Köhler, M. Weiss
Probing the Type of Anomalous Diffusion with Single-Particle Tracking
Phys. Chem. Chem. Phys. 16 (2014) 7686-7691, DOI: 10.1039/c4cp00292j
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M. Pärs, M. Gradmann, K. Gräf, P. Bauer, M. Thelakkat, J. Köhler
Optical Gating with Organic Building Blocks. A Quantitative Model for the Fluorescence Modulation of Photochromic Perylene Bisimide Dithienylcyclopentene Triads
Scientific Reports 4 (2014) 4316-1 – 4316-6, DOI: 10.1038/srep04316
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A. Issac, R. Hildner, C. Hippius, F. Würthner, J. Köhler
Stepwise Decrease of Fluorescence vs. Sequential Photobleaching in a Single Multichromophoric System
ACS Nano 8 (2014) 1708-1717, DOI: 10.1021/nn4060946
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R. Schmidt, M. Pärs, T. Weller, M. Thelakkat, J. Köhler
Trapping on Demand: External Regulation of Excitation Energy Transfer in a Photoswitchable Smart Matrix
Applied Physics Letters 104 (2014) 013304-4; DOI: 10.1063/1.4860984
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R. Scheier, J. Köhler, H. Schmidt
Identification of the Early Postmortem Metabolic State of Porcine M. Semimem-branosus Using Raman Spectroscopy
Vibrational Spectroscopy 70 (2014) 12-17 DOI: 10.1016/j.vibspec.2013.10.001
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2013

P.S. Böhm,  R. Kunz,  J. Southall,  R.J. Cogdell,  J. Köhler
Does the Reconstitution of RC-LH1 Complexes from Rhodopseudomonas acidophila Strain 10050 into a Phospholipid Bilayer Yield the Optimum Environment for Optical Spectroscopy?
J. Phys. Chem. B. 117 (2013) 15004-15013; DOI: 10.1021/jp409980k
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M. Pärs, K. Gräf, P. Bauer, M. Thelakkat, J. Köhler
Optical Gating of Perylene Bisimide Fluorescence Using Dithienylcyclopentene Photochromic Switches
Applied Physics Letters 103 (2013) 221115-1 – 221115-4; DOI: 10.1063/1.4837355
classified as „Research Highlight“, Nature Photonics 8 (2014) 84
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R. Kunz, K. Timpmann, J. Southall, R.J. Cogdell, J. Köhler, A. Freiberg
Fluorescence-Excitation and Emission Spectra from LH2 Antenna Complexes of Rhodopseudomonas acidophila as a Function of the Sample Preparation Conditions
J. Phys. Chem. B. 117 (2013) 12020-12029, DOI: 10.1021/jp4073697
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A. Sumino, T. Dewa, T. Noji, Y. Nakano, N. Watanabe, R. Hildner, N. Bösch, J. Köhler, M. Nango
Influence of Phospholipid Composition on Self-Assembly and Energy-Transfer Efficiency in Networks of Light-Harvesting 2 Complexes      
J. Phys. Chem. B 117 (2013) 10395-10404, DOI: 10.1021/jp4047819
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R. Kunz, K. Timpmann, J. Southall, R.J. Cogdell, A. Freiberg, J. Köhler
Fluctuations in the Electron-Phonon Coupling of a Single Chromoprotein
Ang. Chem. Int. Ed. 52 (2013) 8726-8730, DOI: 10.1002/anie.201303231
classified as „hot paper“
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P. Bauer, M. Sommer, J. Thurn, M. Pärs, J. Köhler, M. Thelakkat
A Photoswitchable Poly(3-hexylthiophene)
Chem. Commun. 49 (2013) 4637-4639, DOI: 10.1039/c3cc41765d
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P. Böhm, J. Southall, R.J. Cogdell, J. Köhler
Single-Molecule Spectroscopy on RC-LH1 Complexes of Rhodopseudomonas acidophila strain 10050
J. Phys. Chem. B 117 (2013) 3120-3126, DOI: 10.1021/jp4005218
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E. Ernst, J. Köhler
How the Number of Fitting Points for the Slope of the Mean-Square Displacement Influences the Experimentally Determined Particle Size Distribution from Single-Particle Tracking
Phys. Chem. Chem. Phys. 15 (2013) 3429-3432, DOI: 10.1039/c3cp44391d
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D. Ernst, J. Köhler
Measuring a Diffusion Coefficient by Singe-Particle Tracking: Statistical Analysis of Experimental Mean Squared Displacement Curves
Phys. Chem. Chem. Phys. 15 (2013) 845-849, DOI: 10.1039/c2cp43433d
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2012

M. Jendrny, T.J. Aartsma, J. Köhler
Fluorescence Excitation Spectra from Individual Chlorosomes of the Green Sulfur Bacterium Chlorobaculum tepidum
J. Phys. Chem. Lett. 3 (2012) 3745-3750, DOI: 10.1021/jz301808h
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R. Kunz, K. Timpmann, J. Southall, R. Codgell, A. Freiberg, J. Köhler
Exciton Self Trapping in Photosynthetic Pigment-Protein Complexes Studied by Single-Molecule Spectroscopy
J. Phys. Chem. B 116 (2012) 11017-11023, DOI: 10.1021/jp3040456
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J. Köhler
Supramolecular Dye Aggregates: Nanotube Knockout
Nature Chemistry 4 (2012) 598-600, DOI: 10.1038/nchem.1410
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A. Issac, R. Hildner, D. Ernst, C. Hippius, F. Würthner, J. Köhler
Single Molecule Studies of calix[4]arene-linked Perylene Bisimide Dimers: Relationship Between Blinking, Lifetime and/or Spectral Fluctuations
Phys. Chem. Chem. Phys. 14 (2012) 10789-10798, DOI: 10.1039/c2cp41250k
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D. Ernst, S. Hain, J. Köhler
Setup for Single-Particle Tracking: Artefacts and Corrections
J. Opt. Soc. Am. A 29 (2012) 1277-1287, DOI: 10.1364/JOSAA.29.001277
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F. Spreitler, M. Sommer, M. Thelakkat, J. Köhler
Conformational Dynamics of Di-(Perylene Bisimide Acrylate) and its Footprints in Steady-State, Time-Resolved, and Fluorescence-Correlation Spectroscopy
Phys. Chem. Chem. Phys. 14 (2012) 7971-7980, DOI: 10.1039/c2cp40387k
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D. Ernst, M. Hellmann, J. Köhler, M. Weiss
Fractional Brownian Motion in Crowded Fluids
Soft Matter 8 (2012) 4886-4889, V DOI: 10.1039/C2SM25220A
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2011

S.R. Beyer, S. Ullrich, S. Kudera, A.T. Gardiner, R.J. Cogdell, J. Köhler
Hybrid Nanostructures for Enhanced Light-Harvesting: Plasmon Induced Increase in Fluorescence from Individual Photosynthetic Pigment-Protein-Complexes
Nano Letters 11 (2011) 4897-4901, DOI: 10.1021/nl202772h
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M. Pärs, C.C. Hofmann, K. Willinger, P. Bauer, M. Thelakkat, J. Köhler
An Organic Optical Transistor Operated under Ambient Conditions
Ang. Chem. Int. Ed. 50 (2011) 11405-11408, DOI: 10.1002/anie.201104193
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S. Jang, R.J. Silbey, R. Kunz, C. Hofmann, J. Köhler
Is there Elliptic Distortion in the Light Harvesting Complex 2 of Purple Bacteria?
J. Phys. Chem. B 115 (2011) 12947-12953, DOI: 10.1021/jp202344s
eRef-Link

T.J. Pflock, S. Oellerich, L. Krapf, J. Southall, R.J. Cogdell, G.M. Ullmann, J. Köhler
The Electronically Excited States of LH2 Complexes from Rhodopseudomonas acidophila strain 10050 Studied by Time-Resolved Spectroscopy and Dynamic Monte Carlo Simulations: II: Homo-Arrays of LH2 Complexes Reconstituted into Phospholipid Model Membranes
J. Phys. Chem. B 115 (2011) 8821-8831, DOI: 10.1021/jp2023583
eRef-Link

T.J. Pflock, S. Oellerich, J. Southall, R.J. Cogdell, G.M. Ullmann, J. Köhler
The Electronically Excited States of LH2 Complexes from Rhodopseudomonas acidophila strain 10050 Studied by Time-Resolved Spectroscopy and Dynamic Monte Carlo Simulations: I: Isolated, Non-Interacting LH2 Complexes
J. Phys. Chem. B 115 (2011) 8813-8820, DOI: 10.1021/jp202353c
eRef-Link

R.Q. Albuquerque, C.C. Hofmann, J. Köhler, A. Köhler
Diffusion-Limited Energy Transfer in Blends of Oligofluorenes with an Anthracene Derivative
J. Phys. Chem. B 115 (2011) 8063-8070, DOI: 10.1021/jp202333w
eRef-Link

S. Unterkofler, T. Pflock, J. Southall, R.J. Cogdell, J. Köhler
Fluorescence Blinking of the RC-LH1 Complex from Rhodopseudomonas palustris
Chem. Phys. Chem., 12 (3) (2011) 711-716, DOI: 10.1002/cphc.201000588
eRef-Link

C. Haramagatti, F. Schacher, A.H.E. Müller, J. Köhler
Diblock Copolymer Membranes Investigated by Single Particle Tracking
Phys. Chem. Chem. Phys. 13 (2011) 2278-2284, DOI: 10.1039/c0cp01658f
eRef-Link

A.V. Naumov, A.A. Gorshelev, Y.G. Vainer, L. Kador, J. Köhler
Impurity Spectroscopy at its Ultimate Limit: Relation Between Bulk Spectrum, Inhomogeneous Broadening, and Local Disorder by Spectroscopy of (nearly) all Individual Dopant Molecules in Solids
Phys. Chem. Chem. Phys. 13 (2011) 1734-1742, DOI 10.1039/c0cp01689f
eRef-Link

L. Krapf, M. Dezi, W. Reichstein, J. Köhler, S. Oellerich
AFM Characterization of Spin-Coated Multilayered Dry Lipid Films Prepared from Aqueous Vesicle Suspensions
Colloids & Surfaces B: Biointerfaces 82 (2011) 25-32, DOI: 10.1016/j.colsurfb.2010.08.006
eRef-Link


2010

R.J. Cogdell, J. Köhler
Sunlight, Purple Bacteria and Quantum Mechanics: How Purple Bacteria Harness Quantum Mechanics for Efficient Light Harvesting
in: Quantum Efficiency in Complex Systems, Part I: Biomolecular systems (Semiconductor and Semimetals) eds: Weber, Würfel, Thorwart, Vol. 83 (2010) 77-94, DOI: 10.1016/B978-0-12-375042-6.00003-1
eRef-Link

F. Spreitler, C. Brock, A. Pelzmann, O. Meyer, J. Köhler
Interaction of CO Dehydrogenase with the Cytoplasmic Membrane Monitored by Fluorescence Correlation Spectroscopy
Chem. Bio. Chem. 11 (2010) 2419-2423, DOI: 10.1002/cbic.201000431
eRef-Link

C.C. Hofmann, S. Lindner, M. Ruppert, A. Hirsch, S. Haque, M. Thelakkat, J. Köhler
The Influence of p-p-stacking on the Light-Harvesting Properties of Perylene Bisimide Antennas that are Covalently Linked to [60]fullerene
Phys. Chem. Chem. Phys. 12 (2010) 14485-14491, DOI: 10.1039/c0cp01200a
eRef-Link

C.C. Hofmann, S.M. Lindner, M. Ruppert, A. Hirsch, S.A. Haque, M. Thelakkat, J. Köhler
The Mutual Interplay of Light-Harvesting and Triplet Sensitizing in a Perylene Bisimide-Antenna Fullerene Dyad
J. Phys. Chem. B 114 (2010) 9148–9156, DOI: 10.1021/jp1035585
eRef-Link

A.A. Gorshelev, A.V. Naumov, I.Y. Eremchev, Y.G. Vainer, L. Kador, J. Köhler
Ortho-Dichlorobenzene Doped with Terrylene – a Highly Photo-Stable Single-Molecule System Promising for Photonics Applications
Chem. Phys. Chem. 11 (2010) 182-187, DOI: 10.1002/cphc.200900651
eRef-Link

M.F. Richter, J. Baier, R.J. Cogdell, S. Oellerich, J. Köhler
The Influence of Symmetry on the Electronic Structure of the Photosynthetic Pigment-Protein Complexes from Purple Bacteria
Nobel Conference: Single Molecule Spectroscopy in Chemistry, Physics and Biology; Eds. A. Gräslund, R. Rigler, J. Widengren,
Springer Series in Chemical Physics, 96 (2010), 513-533, DOI: 10.1007/978-3-642-02597-6_26
eRef-Link


2009

A.V. Naumov, A.A. Gorshelev, Y.G. Vainer, L. Kador, J. Köhler
Far-Field Nano-Diagnostics of Solids with Visible Light by Spectrally Selective Imaging
Ang. Chem. Int. Ed., 48 (2009) 9747-9750, DOI: 10.1002/anie.200905101
Ang. Chem. 121 (2009) 9930-9934
eRef-Link

D. Ernst, R. Hildner, C. Hippius, F. Würthner, J. Köhler
Photoblinking Dynamics in Single Calix[4]arene-linked Perylene Bisimide Dimers
Chem. Phys. Lett. 482 (2009) 93-98, DOI: 10.1016/j.cplett.2009.09.096
eRef-Link

C.C. Hofmann, P. Bauer, S.A. Haque, M. Thelakkat, J. Köhler
Energy- and Charge-Transfer Processes in Flexible Organic Donor-Acceptor Dyads
J. Chem. Phys. 131 (2009) 144512, DOI: 10.1063/1.3245955
eRef-Link

I. Yu. Eremchev, A. V. Naumov, A.A. Gorshelev, Yu.G. Vainer, L. Kador, J. Köhler
Do Impurity Chromophores Affect the Tunnelling Dynamics of an Amorphous Polymer? Investigation by Single-Molecule Spectroscopy
Molecular Physics 107 (2009) 18, 1943-1953, DOI: 10.1080/00268970802672676
eRef-Link

J. Köhler, S. Oellerich
Concise Review: Low-Temperature Single-Molecule Spectroscopy on Photosynthetic Pigment Protein Complexes from Purple Bacteria
Photosynth. Res. 101 (2009) 171-179, DOI: 10.1007/s11120-009-9450-2
eRef-Link

J. Baier, M. Gabrielsen, S. Oellerich, H. Michel, M. van Heel, R.J. Cogdell, J. Köhler
Spectral Diffusion and Electron-Phonon Coupling of the B800 BChl a Molecules in LH2 Complexes from Three Different Species of Purple Bacteria
Biophys. J. 97 (2009) 2604-2612, DOI: 10.1016/j.bpj.2009.07.052
eRef-Link

T. Brotosudarmo, R. Kunz, P. Böhm, A.T. Gardiner, V. Moulisova, R.J. Cogdell, J. Köhler
Single-Molecule Spectroscopy Reveals that Individual Low-Light LH2 Complexes from Rhodopseudomonas palustris  2.1.6. Have a Heterogeneous Polypeptide Composition
Biophys. J. 97 (2009) 1491-1500, DOI: 10.1016/j.bpj.2009.06.034
eRef-Link

R. Hildner, L. Winterling, U. Lemmer, U. Scherf, M. van Heel, J. Köhler
Single-Molecule Spectroscopy on a Ladder-Type Conjugated Polymer: Electron-Phonon Coupling and Spectral Diffusion
Chem. Phys. Chem. 10 (2009) 2524-2534, DOI: 10.1002/cphc.200900445
eRef-Link

R.J. Cogdell, J. Köhler
Use of Single Molecule Spectroscopy to Tackle Fundamental Problems in Biology: Using Studies on Purple Bacterial Antenna Complexes as an Example
Biochem. J. 422 (2009) 193-205, DOI: 10.1042/bj20090674
eRef-Link


2008

J. Köhler
Optical Spectroscopy of Individual Light-Harvesting Complexes from Purple Bacteria
in: Advances in Photosynthesis and Respiration, Vol. 28, The Purple Phototrophic Bacteria (2008) 877-894, Hunter, C.Neil, Daldal, Fevzi, Thurnauer, Marion C., Beatty, J. Thomas (eds.). Springer-Verlag, Dordrecht, The Netherlands
DOI: 10.1007/978-1-4020-8815-5_44
eRef-Link

T.J. Aartsma and J. Köhler
Optical Spectroscopy of Individual Light-Harvesting Complexes
in: Advanced in Photosynthesis and Respiration, Vol. 26, Biophysical Techniques in Photosynthesis, Vol. II (2008) 241-266, Aartsma,T.J., Matysik, J. (eds.). Springer-Verlag, Dordrecht, The Netherlands
DOI: 10.1007/978-1-4020-8250-4_13
eRef-Link

J. Baier, M.F. Richter, R.J. Cogdell, S. Oellerich and J. Köhler
Determination of the Spectral Diffusion Kernel of a Protein by Single Molecule Spectroscopy
Phys. Rev. Lett. 100 (2008) 018108-1-018108-4, DOI: 10.1103/PhysRevLett.100.018108
eRef-Link

B. Theissen, A. Gubaev, J. Köhler and D. Klostermeier
Cooperative Binding of ATP and RNA Induces a Closed Conformation in a DEAD Box RNA Helicase
Proc. Natl. Acad. Sci. 105 (2008) 548-553, DOI: 10.1073/pnas.0705488105
eRef-Link

C. Hofmann, F. Kulzer, R. Zondervan, J. Köhler and M. Orrit
Single Biomolecules at Cryogenic Temperatures: From Structure to Dynamics
in: Springer Series in Biophysics, Single Molecules and Nanotechnology, Vol. 12 (2008) 25-51, Rudolf Rigler and Horst Vogel (eds.), DOI: 10.1007/978-3-540-73924-1_2
eRef-Link



T. Pflock, M. Dezi, G. Venturoli, R.J. Cogdell, J. Köhler and S. Oellerich
Comparision of the Fluorescence Kinetics of Detergent-Solubilized and Membrane-Reconstituted LH2 Complexes from Rhodopseudomonas acidophila and Rhodobacter sphaeroides
Photosynth. Res. 95 (2008) 291-298, DOI: 10.1007/s11120-007-09245-2
eRef-Link

M.F. Richter, J. Baier, J. Southall, R.J. Cogdell, S. Oellerich and J. Köhler
Spectral Diffusion of the Lowest Exciton Component in the Core Complex from Rhodopseudomonas palustris Studied by Single-Molecule Spectroscopy
Photosynth. Res. 95 (2008) 285-290, DOI: 10.1007/s11120-007-9267-9
eRef-Link


2007

M.F. Richter, J. Baier, J. Southall, R.J. Cogdell, S. Oellerich and J. Köhler
Refinement of the X-Ray Structure of the RC-LH1 Core Complex from Rhodopseudomonas palustris by Single-Molecule Spectroscopy
Proc. Natl. Acad. Sci. 104 (2007) 20280-20284, DOI: 10.1073/pnas.0704599105
eRef-Link

R. Hildner, U. Lemmer, U. Scherf and J. Köhler
Continous-Wave Two-Photon Spectroscopy on a Ladder-Type Conjugated Polymer
Chem. Phys. Lett. 448 (2007) 213-217, DOI: 10.1016/j.cplett.2007.10.011
eRef-Link

A. Sperschneider, F. Schacher, M. Gawenda, L. Tsarkova, A.H.E. Müller, M. Ulbricht, G. Krausch and J. Köhler
Towards Nanoporous Membranes Based on ABC Triblock Terpolymers
Small 3 (2007) 1056-1063, DOI: 10.1002/smll.200600579
eRef-Link

R. Hildner, U. Lemmer, U. Scherf, M. van Heel and J. Köhler
Revealing the Electron-Phonon-Coupling in a Conjugated Polymer by Single-Molecule Spectroscopy
Adv. Mat. 19 (2007) 1978-1982, DOI: 10.1002/adma.200602718
eRef-Link

E. Lang, R. Hildner, H. Engelke, P. Osswald, F. Würthner and J. Köhler
Comparison of the Photophysical Parameters for Three Perylene-Bisimide Derivatives by Single-Molecule Spectroscopy
Chem. Phys. Chem. 8 (2007) 1487-1496, DOI: 10.1002/cphc.200700186
eRef-Link

M. Richter, J. Baier, R.J. Cogdell, J. Köhler and S. Oellerich
Single-Molecule Spectroscopy Characterization of Light-Harvesting 2 Complexes Reconstituted into Model Membranes
Biophys. J. 93 (2007) 183-191, DOI: 10.1529/biophysj.106.103606
eRef-Link

C. von Borczyskowski, J. Köhler, W.E. Moerner, M. Orrit and J. Wrachtrup
Single-Molecule Electron Spin Resonance
Appl. Magn. Reson. 31 (2007) 665-676, DOI: 10.1007/BF03166609
eRef-Link

M. Richter, J. Baier, Th. Prem, S. Oellerich, F. Francia, G. Venturoli, D. Oesterhelt, J. Southall, R.J. Cogdell and J. Köhler
Symmetry Matters for the Electronic Structure of Core Complexes from Rhodopseudomonas Palustris and Rhodobacter Sphaeroides PufX-
Proc. Natl. Acad. Sci. 104 (2007) 6661-6665, DOI: 10.1073/pnas.0611115104
eRef-Link

Y. Berlin, A. Burin, J. Friedrich and J. Köhler
Low Temperature Spectroscopy of Proteins. Part II: Experiments with Single Protein Complexes
Physics of Life Reviews 4 (2007) 64-89, DOI: 10.1016/j.plrev.2007.01.001
eRef-Link

J. Baier, M. Richter, R.J. Cogdell, S. Oellerich and J. Köhler
Do Proteins at Low Temperature Behave as Glasses? A Single-Molecule Study
J. Phys. Chem. B 111 (2007) 1135-1138 DOI: 10.1021/jp0674569
eRef-Link


2006

Y. Berlin, A. Burin, J. Friedrich and J. Köhler
Spectroscopy of Proteins at Low Temperature. Part I: Experiments with Molecular Ensembles
Physics of Life Reviews 3 (2006) 262-292, DOI: 10.1016/j.plrev.2006.09.001
eRef-Link

R. J. Cogdell, A. Gall and J. Köhler
The Architecture and Function of the Light-Harvesting Apparatus of Purple Bacteria: From Single Molecules to in vivo Membranes
Q. Rev. Biophysics 39 (2006) 227-324, DOI: 10.1017/S0033583506004434
eRef-Link

M. Ketelaars, J.-M. Segura, S. Oellerich, W.P.F. de Ruijter, G. Magis, M. Matsushita, R.J. Cogdell, J. Köhler, J. Schmidt and T.J. Aartsma
Probing the Electronic Structure and Conformational Flexibility of Individual Light-Harvesting 3 Complexes by Optical Single-Molecule Spectroscopy
J. Phys. Chem. B 110 (2006) 18710-18717, DOI: 10.1021/jp061236d
eRef-Link

R. Hildner, U. Lemmer, U. Scherf and J. Köhler
Picosecond Excitation Energy Relaxation Processes in a Ladder-Type p-Conjugated Polymer
Chem. Phys. Lett. 429 (2006) 103-108, DOI: 10.1016/j.cplett.2006.08.001
eRef-Link

Ch. Scharf, K. Peter, P. Bauer, Ch. Jung, M. Thelakkat and J. Köhler,
Towards the Characterisation of Energy-Transfer Processes in Organic Donor-Acceptor Dyads Based on Triphenyldiamine and Perylenebisimides
Chem. Phys. 328 (2006) 403-409, DOI: 10.1016/j.chemphys.2006.07.030
eRef-Link

E. Lang, J. Baier and J. Köhler
Epifluorescence-, Confocal-, and Total-Internal-Reflection Microscopy for Single-Molecule Experiments: A Quantitative Comparison
J. Microscopy 222 (2006) 118-123, DOI: 10.1111/j.1365-2818.2006.01579.x
eRef-Link


2005

J. Köhler and T.J. Aartsma
Single Molecule Spectroscopy of Pigment Protein Complexes from Purple Bacteria
in: Advances in Photosynthesis and Respiration, Vol. 25, Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics Functions and Applications (2006) 309-321, Bernhard Grimm, Robert J. Porra, Wolfhart Rüdiger and Hugo Scheer (eds.). Springer-Verlag, Dordrecht, The Netherlands, ISBN 1-4020-4515-8
DOI: 10.1007/1-4020-4516-6_21
eRef-Link

E. Lang, A. Sorokin, M. Drechsler, Y.V. Malyukin and J. Köhler
Optical Spectroscopy on Individual amphi-PIC J-Aggregates
Nano Letters 5 (2005) 2635-2640, DOI: 10.1021/nl051132z
eRef-Link

C. Hofmann, H. Michel, M. van Heel and J. Köhler
Multivariate Analysis of Single-Molecule Spectra: Surpassing Spectral Diffusion
Phys. Rev. Lett. 94 (2005) 195501-1-195501-4, DOI: 10.1103/PhysRevLett.94.195501
eRef-Link



E. Lang, F. Würthner and J. Köhler
Photophysical Properties of a Tetraphenoxy-substituted Perylene-Bisimide Derivative Characterized by Single-Molecule Spectroscopy
Chem. Phys. Chem. 6 (2005) 935-941, DOI: 10.1002/cphc.200400555
eRef-Link


2004

C. Hofmann, T.J. Aartsma and J. Köhler
Energetic Disorder and the B850-Exciton States of Individual Light-Harvesting 2 Complexes from Rhodopseudomonas acidophila
Chem. Phys. Lett. 395 (2004) 373-378, DOI: 10.1016/j.cplett.2004.08.020
eRef-Link

C. Hofmann, T.J. Aartsma, H. Michel and J. Köhler
Spectral Dynamics in the B800 Band of LH2 from Rhodospirillum molischianum: A Single-Molecule Study
New Journal of Physcis 6 (2004) 8, DOI: 10.1088/1367-2630/6/1/008
eRef-Link


2003

C. Hofmann, T.J. Aartsma, H. Michel and J. Köhler
Direct Observation of Tiers in the Energy Landscape of a Chomoprotein: A Single-Molecule Study
Proc. Natl. Acad. Sci. 100 (2003) 15534-15538, DOI: 10.1073/pnas.2533896100
eRef-Link

C. Hofmann, F. Francio, G. Venturoli, D. Oesterhelt and J. Köhler
Energy Transfer in a Single Self-Aggregated Photosynthetic Unit
FEBS Letters 546 (2003) 345-348, DOI: 10.1016/s0014-5793(03)00623-9
eRef-Link

C. Hofmann, M. Ketelaars, M. Matsushita, H. Michel, T.J. Aartsma and J. Köhler
Single Molecule Study of the Electronic Couplings in a Circular Array of Molecules: Light-Harvesting 2 Complex from Rhodospirillum molischianum  
Phys. Rev. Lett. 90 (2003) 013004-1-013004-4, DOI: 10.1103/physrevlett.90.013004
eRef-Link


2002

J. Wrachtrup, T.J. Aartsma, J. Köhler, M. Ketelaars, A.M. van Oijen, M. Matsushita, J. Schmidt, C. Tietz and F. Jelezko
Spectroscopy of Individual Photosynthetic Pigment-Protein Complexes
in: Single-Molecule Detection in Solution (eds. Zander et al.), Wiley-VCH, Weinheim (2002)
DOI: 10.1002/3527600809.ch6
eRef-Link

M. Ketelaars, C. Hofmann, J. Köhler, T.D. Howard, R.J. Cogdell, J. Schmidt and T.J. Aartsma
Spectroscopy on Individual Light-Harvesting 1 Complexes of Rhodopseudomonas acidophila
Biophys. J. 83 (2002) 1701-1715, DOI: 10.1016/S0006-3495(02)73938-6
eRef-Link


2001

J. Köhler
Optical Spectroscopy of Individual Light-Harvesting Complexes
Single Mol. 2 (2001) 285-286; DOI: 10.1002/1438-5171(200112)2:4<285::AID-SIMO285>3.0.CO;2-1
eRef-Link

J. Köhler
Optical Spectroscopy of Individual Objects
Naturwissenschaften 88 (2001) 514-521, DOI: 10.1007/s00114-001-0275-x
eRef-Link

A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt
The Electronic Structure of Single Photosynthetic Pigment-protein Complexes
in: Single Molecule Spectroscopy, Nobel Conference Lectures (eds. R. Rigler, M. Orrit, T. Basché), Springer-Series in Chemical Physics, Springer-Verlag (2001), DOI: 10.1007/978-3-642-56544-1_3
eRef-Link

J. Köhler, A.M. van Oijen, M. Ketelaars, C. Hofmann, M. Matsushita, T.J. Aartsma and J. Schmidt
Optical Spectroscopy of Individual Photosynthetic Pigment Proteins Complexes
in: Proceedings of 2000 International Conference on Excitonic Processes in Condensed Matter (eds. K. Cho, A. Matsui), World Scientific Singapore, 2000, pp. 65 – 68.
J. Köhler, A.M. van Oijen, M. Ketelaars, C. Hofmann, M. Matsushita, T.J. Aartsma and J. Schmidt
Optical Spectroscopy of Individual Photosynthetic Pigment Proteins Complexes
Int. Journal of Modern Physics B 15 (2001) 3633-3636, DOI: 10.1142/s0217979201008317
eRef-Link

Y. Durand, A. Bloeß, J. Köhler, E.J.J. Groenen and J. Schmidt
Spectral Diffusion of Individual Pentacene, Terrylene and Dibenzanthanthrene Molecules in n-tetradecane
J. Chem. Phys. 114 (2001) 6843-6850, DOI: 10.1063/1.1357803
eRef-Link

M. Matsushita, M. Ketelaars, A.M. van Oijen, J. Köhler, T.J. Aartsma and J. Schmidt
Spectroscopy on the B850 Band of Individual Light-Harvesting 2 Complexes of Rhodopseudomonas acidophila, II: Exciton States of an Elliptically Deformed Ring Aggregate
Biophys. J. 80 (2001) 1604-1614, DOI: 10.1016/s0006-3495(01)76133-4
eRef-Link

M. Ketelaars, A.M. van Oijen, M. Matsushita, J. Köhler, J. Schmidt and T.J. Aartsma
Spectroscopy on the B850 Band of Individual Light-Harvesting 2 Complexes of Rhodopseudomonas acidophila, I: Experiments and Monte-Carlo Simulations
Biophys. J. 80 (2001) 1591-1603, DOI: 10.1016/s0006-3495(01)76132-2
eRef-Link


2000

Y. Durand, A. Bloeß, A.M. van Oijen, J. Köhler, E.J.J. Groenen and J. Schmidt
An Optical Study of Single-Pentacene Molecules in n-tetradecane
Chem. Phys. Lett. 317 (2000) 232-237, DOI: 10.1016/s0009-2614(99)01393-7
eRef-Link

J. Köhler
Photosynthese und Exzitonen
Phys. Bl. 56 (2000) 47-50, DOI: 10.1002/phbl.20000560114
eRef-Link

A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt
Spectroscopy of Individual LH2 Complexes of Rhodopseudomonas acidophila: Diagonal Disorder, Sample Heterogeneity, Spectral Diffusion, and Energy Transfer in the B800 Band
Biophys. J. 78 (2000) 1570-1577, DOI: 10.1016/s0006-3495(00)76709-9


1999

A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt
Unraveling the Electronic Structure of Individual Photosynthetic Pigment-Protein Complexes
Science 285 (1999) 400-402, DOI: 10.1126/science.285.5426.400
(for comment see: M. Orrit, Coherent Excitation in the Antenna Complex, Science 285 (1999) 349-350
eRef-Link

A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt
Spectroscopy of Individual LH2 Complexes of Rhodopseudomonas acidophila: Localized Excitations in the B800 Band
Chem. Phys. 247 (1999) 53-60, DOI: 10.1016/s0301-0104(99)00105-6
eRef-Link

A.C.J. Brouwer, J. Köhler, A.M. van Oijen, E.J.J. Groenen and J. Schmidt
Single-Molecule Fluorescence Autocorrelation Experiments on Pentacene. The Dependence of Intersystem Crossing on Isotopic Composition
J. Chem. Phys. 110 (1999) 9151-9159, DOI: 10.1063/1.478837
eRef-Link

J. Köhler
Magnetic Resonance of a Single Molecular Spin
Physics Reports 310 (1999) 261-356, DOI: 10.1016/s0370-1573(98)00057-x
eRef-Link


1998

A.M. van Oijen, M. Ketelaars, J. Khler, T.J. Aartsma and J. Schmidt
Spectroscopy of Single Light-Harvesting Complexes from Purple Photosynthetic Bacteria at 1.2 K.
J. Phys. Chem. B 102 (1998) 9363-9366, DOI: 10.1021/jp9830629
eRef-Link

A.M. van Oijen, J.Köhler, J.Schmidt, M.Müller and G.J.Brakenhoff
3-Dimensional Super-Resolution by Spectrally Selective Imaging
Chem. Phys. Lett. 292 (1998) 183-187
(for comment see: R. van den Berg, Molecular Imaging Beats Limits of Light,
Science 281 (1998) 629, DOI: 10.1016/s0009-2614(98)00673-3
eRef-Link

J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt
Isotopomere Selective Spectroscopy of Pentacene
J. Am. Chem. Soc. 120 (1998) 1900-1905, DOI: 10.1021/ja9731581
eRef-Link


1997

P. Kok, J. Köhler, E.J.J. Groenen, R. Gebhard, I. van der Hoef, J. Lugtenburg,
R. Farhoosh and H.A. Frank
Resonance Raman Spectroscopy of 2H-labelled Spheroidenes in Petroleum Ether and in the Rhodobacter sphaeroides Reaction Centre
Spectrochim. Acta A - Biomolecular Spectroscopy 53 (1997) 381-392, DOI: 10.1016/s1386-1425(96)01845-8
eRef-Link

J. Köhler and J. Schmidt
Concise Review Paper: Perspectives of Single Molecule Magnetic Resonance Spectroscopy
C. R. Acad. Sci. Paris 324 Série II b (1997) 373-388, DOI: 10.1016/S1251-8069(99)80048-7
eRef-Link


1996

J. Wrachtrup, C. von Borczyskowski, J. Köhler and J. Schmidt
Magnetic Resonance of Single Molecular Spins
in: Single-Molecule Optical Detection, Imaging and Spectroscopy (eds. Th. Basché, M. Orrit, W.E. Moerner and U.P. Wild), VCH, Weinheim, (1996)
DOI: 10.1002/9783527614714.ch6
eRef-Link

J. Köhler
Magnetische Resonanz an einzelnen Molekülen. Die Hyperfeinwechselwirkung eines molekularen Spins mit einem Kernspin
(Festvortag anläßlich der Verleihung des Gustav-Hertz-Preises 1996 auf der 60. Physikertagung in Jena)
Phys. Bl. 52 (1996) 699-702, DOI: 10.1002/phbl.19960520725
eRef-Link

A.C.J. Brouwer, J. Köhler, E.J.J. Groenen and J. Schmidt
13C Isotope Effects for Pentacene in p-Terphenyl. High-Resolution Spectroscopy and Single Spin Detection
J. Chem. Phys. 105 (1996) 2212-2222, DOI: 10.1063/1.472116
eRef-Link

J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt
On the Intersystem Crossing of Pentacene in p-Terphenyl
Chem. Phys. Lett. 250 (1996) 137-144, DOI: 10.1016/0009-2614(95)01393-8
eRef-Link

J. Köhler and D. Schmid
Topical Review: Frenkel Excitons in NaNO2. Excitation Energy Transfer and Exciton Coherence
J. Phys.: Condens. Matter 8 (1996) 115-141, DOI: 10.1088/0953-8984/8/2/003
eRef-Link


1995

H. van der Meer, J.A.J.M. Disselhorst, J. Köhler, A.C.J. Brouwer, E.J.J. Groenen
and J. Schmidt
An Insert for Single-Molecule Magnetic-Resonance Spectroscopy in an External Magnetic Field
Rev. Sci. Instr. 66 (1995) 4853-4856, DOI: 10.1063/1.1146164
eRef-Link

J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt
Single Molecule Paramagnetic Resonance Spectroscopy: Hyperfinesplitting Owing to a Single Nucleus.
Science 268 (1995) 1457-1460, DOI: 10.1126/science.268.5216.1457
eRef-Link


1994

J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt
Fluorescence Detection of Single Molecule Magnetic Resonance for Pentacene in p-Terphenyl. The Hyperfine Interaction of a Single Triplet Spin with a Single 13C Nuclear Spin
Chem. Phys. Lett. 228 (1994) 47-52, DOI: 10.1016/0009-2614(94)00931-7
eRef-Link

P. Kok, J. Köhler, E.J.J. Groenen, R. Gebhard, I. van der Hoef, J. Lugtenburg,
R. Farhoosh, H.A. Frank and A.J. Hoff
Towards a Vibrational Analysis of Spheroidene. Resonance Raman Spectroscopy of 13C labelled Spheroidenes in Petroleum Ether and in Rhodobacter Sphaeroides Reaction Centre
BBA 1185 (1994) 188-192, DOI: 10.1016/0005-2728(94)90209-7
eRef-Link


1993

J. Köhler, E.J.J. Groenen and J. Schmidt
De detectie van één moleculaire spin
Ned. Tijdschr. v. Natuurkunde 17 (1993) 271-283
eRef-Link

J. Köhler, J.A.J.M. Disselhorst, M.C.J.M. Donckers, E.J.J. Groenen, J. Schmidt
and W.E. Moerner
Magnetic Resonance of a Single Molecular Spin
Nature 363 (1993) 242-243
(for comment see: R.J. Silbey, ESR on a Single Molecule, Nature 363 (1993) 214-215)
DOI: 10.1038/363242a0
eRef-Link




1992

J. Köhler, D. Schmid, M. Ashida, R. Kato, W.B.J.M. Janssen and A. van der Avoird
Coherence of Excitons in NaNO2 Single Crystals
World Scientific (eds. O. Kanert and J.-M. Spaeth) Vol. II (1992) 1067-1071

W.B.J.M. Janssen, A. van der Avoird, J. Köhler and D. Schmid
Lattice Dynamics of NaNO2 in the Ferroelectric Phase
Phys. Stat. Sol. (b) 173 (1992) 587-599, DOI: 10.1002/pssb.2221730210
eRef-Link

J. Köhler, M. Hucke, D. Schmid, M. Ashida and R. Kato
Relaxation and Coherence of Singlet Excitons in NaNO2 Crystals
J. Lumin. 53 (1992) 76-79, DOI: 10.1016/0022-2313(92)90110-U
eRef-Link

J. Köhler, M. Hucke and D. Schmid
Spectroscopic Investigations of Singlet Exciton Thermalization in NaNO2 Single Crystals
J. Lumin. 52 (1992) 293-307, DOI: 10.1016/0022-2313(92)90033-6
eRef-Link


1991

R. Kato, M. Ashida, J. Köhler and D. Schmid
Bound Multiphonon Complexes in NaNO2
Phys. Lett. A 157 (1991) 435-440, DOI: 10.1016/0375-9601(91)90885-C
eRef-Link

J. Köhler, M. Ashida, R. Kato, Th. Schmidt and D. Schmid
Slow Thermalization of Singlet Excitons in NaNO2 Crystals
J. Lumin. 47 (1991) 239-248, DOI: 10.1016/0022-2313(91)90016-O
eRef-Link


1990

J. Köhler, Th. Schmidt and D. Schmid
The Influence of Exciton Dispersion on the Lineshape of NaNO2 Fluorescence
J. Mol. Struct. 219 (1990) 37-42, DOI: 10.1016/0022-2860(90)80028-I
eRef-Link


1988

Th. Schmidt, J. Köhler, C. Kryschi and D. Schmid
Sensitized Luminescence of Pure and Doped NaNO2 Single Crystals.
III. Excitation-Spectroscopy and Time-Resolved Trap Fluorescence

Phys. Stat. Sol. (b) 147 (1988) 797-809, DOI: 10.1002/pssb.2221470241
eRef-Link


1987

H. Pufahl, J. Köhler, Th. Schmidt, D. Schmid and V.M. Kenkre
Sensitized Luminescence of Pure and Doped NaNO2 Single Crystals.
II. Time-Resolved Experiments and Preliminary Analysis

Phys. Stat. Sol. (b) 141 (1987) 303-315, DOI: 10.1002/pssb.2221410130
eRef-Link

F. Lisse, J. Köhler, H. Pufahl and D. Schmid
Sensitized Luminescence of Pure and Doped NaNO2 Single Crystals.I. Stationary Spectra
Phys. Stat. Sol. (b) 140 (1987) 605-619, DOI: 10.1002/pssb.2221400231
eRef-Link


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