Druckansicht der Internetadresse:

Seite drucken

Prof. Dr. Anna Köhler

Prof. Dr. Anna Köhler


Experimentalphysik II


Ausgewählte Publikationen

2017

Rudnick, Alexander; Wetzel, Christoph; Tscheuschner, Steffen; Schmalz, Holger; Vogt, Astrid; Greiner, Andreas; Bässler, Heinz; Mena-Osteritz, Elena; Bäuerle, Peter; Köhler, Anna
Spectroscopic Study of Thiophene–Pyrrole-Containing S,N-Heteroheptacenes Compared to Acenes and ...
In: The Journal of Physical Chemistry B (2017)
doi:10.1021/acs.jpcb.7b02935 ...

Wetzel, Christoph; Vogt, Astrid; Rudnick, Alexander; Mena-Osteritz, Elena; Köhler, Anna; Bäuerle, Peter
Thiophene–pyrrole containing S,N-heteroheptacenes : synthesis, and optical and electrochemical ...
In: Organic Chemistry Frontiers (2017)
doi:10.1039/c7qo00294g ...

Hildner, Richard; Köhler, Anna; Müller-Buschbaum, Peter; Panzer, Fabian; Thelakkat, Mukundan
π-Conjugated Donor Polymers : Structure Formation and Morphology in Solution, Bulk and Photovol ...
In: Advanced Energy Materials (2017)
doi:10.1002/aenm.201700314 ...

Kahle, Frank-Julian; Saller, Christina; Köhler, Anna; Strohriegl, Peter
Crosslinked Semiconductor Polymers for Photovoltaic Applications
In: Advanced Energy Materials (2017)
doi:10.1002/aenm.201700306 ...

Athanasopoulos, Stavros; Tscheuschner, Steffen; Bässler, Heinz; Köhler, Anna
Efficient Charge Separation of Cold Charge-Transfer States in Organic Solar Cells Through Incoh ...
In: The Journal of Physical Chemistry Letters Bd. 8 (2017) Heft 9. - S. 2093-2098
doi:10.1021/acs.jpclett.7b00595 ...

Wilma, Kevin; Unger, Thomas; Kostakoglu, SinemTuncel; Hollfelder, Manuel; Hunger, Christoph; Lang, Andreas; Gurek, Ayse Gul; Thelakkat, Mukundan; Köhler, Jürgen; Köhler, Anna; Gekle, Stephan; Hildner, Richard
Excited State Dynamics and Conformations of a Cu(II)-Phthalocyanine-Perylenebisimide Dyad
In: Physical Chemistry Chemical Physics Bd. 19 (2017) . - S. 22169-22176
doi:10.1039/C7CP04026A ...

Mukhopadhyay, Tushita; Puttaraju, Boregowda; Roy, Palas; Dasgupta, Jyotishman; Meyer, Andreas; Rudnick, Alexander; Tscheuschner, Steffen; Kahle, Frank-Julian; Köhler, Anna; Patil, Satish
Facile Synthesis and Chain-Length Dependence of the Optical and Structural Properties of Diketo ...
In: Chemistry : a European Journal Bd. 23 (2017) Heft 55. - S. 13718-13723
doi:10.1002/chem.201702131 ...

Unger, Thomas; Wedler, Stefan; Kahle, Frank-Julian; Scherf, Ullrich; Bässler, Heinz; Köhler, Anna
The Impact of Driving Force and Temperature on the Electron Transfer in Donor–Acceptor Blend Sy ...
In: The Journal of Physical Chemistry C Bd. 121 (2017)
doi:10.1021/acs.jpcc.7b09213 ...

Panzer, Fabian; Li, Cheng; Meier, Tobias; Köhler, Anna; Hüttner, Sven
Impact of Structural Dynamics on the Optical Properties of Methylammonium Lead Iodide Perovskit ...
In: Advanced Energy Materials Bd. 7 (2017) Heft 16
doi:10.1002/aenm.201700286 ...

Kahle, Frank-Julian; Bauer, Irene; Strohriegl, Peter; Köhler, Anna
Influence of Crosslinking on Charge Carrier Mobility in Crosslinkable Polyfluorene Derivatives
In: Journal of Polymer Science Part B: Polymer Physics Bd. 55 (2017) Heft 1. - S. 112-120
doi:10.1002/polb.24259 ...

Rudnick, Alexander; Kass, Kim-Julia; Preis, Eduard; Scherf, Ullrich; Bässler, Heinz; Köhler, Anna
Interplay of localized pyrene chromophores and π−conjugation in novel poly(2,7- pyrene) ladder ...
In: The Journal of Chemical Physics Bd. 146 (2017)
doi:10.1063/1.4982046 ...

Kadashchuk, Andrey; Tong, Fei; Janneck, Robby; Fishchuk, Ivan I.; Mityashin, Alexander; Pavlica, Egon; Köhler, Anna; Heremans, Paul; Rolin, Cedric; Bratina, Gvido; Genoe, Jan
Role of transport band edge variation on delocalized charge transport in high-mobility crystall ...
In: Physical Review B Bd. 96 (2017) Heft 12. - S. 125202
doi:10.1103/PhysRevB.96.125202 ...

Panzer, Fabian; Bässler, Heinz; Köhler, Anna
Temperature Induced Order–Disorder Transition in Solutions of Conjugated Polymers Probed by Opt ...
In: The Journal of Physical Chemistry Letters Bd. 8 (2017) . - S. 114-125
doi:10.1021/acs.jpclett.6b01641 ...

2016

Knauer, Philipp; Hahn, Tobias; Köhler, Anna; Strohriegl, Peter
Initiator-free crosslinking of oxetane functionalized low bandgap polymers : an approach toward ...
In: Journal of Materials Chemistry C Bd. 4 (2016) . - S. 10347-10357
doi:10.1039/c6tc03214a ...

Reichenberger, Markus; Baderschneider, Sebastian; Kroh, Daniel; Grauf, Steffen; Köhler, Jürgen; Hildner, Richard; Köhler, Anna
Watching Paint Dry : The Impact of Diiodooctane on the Kinetics of Aggregate Formation in Thin ...
In: Macromolecules Bd. 49 (2016)
doi:10.1021/acs.macromol.6b01257 ...

Fishchuk, Ivan I.; Kadashchuk, Andrey; Bhoolokam, A.; de Jamblinne de Meux, A.; Pourtois, G.; Gavrilyuk, M. M.; Köhler, Anna; Bässler, Heinz; Heremans, Paul; Genoe, J.
Interplay between hopping and band transport in high-mobility disordered semiconductors at larg ...
In: Physical Review B Bd. 93 (2016) Heft 19
doi:10.1103/PhysRevB.93.195204 ...

Li, Cheng; Tscheuschner, Steffen; Paulus, Fabian; Hopkinson, Paul E.; Kießling, Johannes; Köhler, Anna; Vaynzof, Yana; Hüttner, Sven
Iodine Migration and its Effect on Hysteresis in Perovskite Solar Cells
In: Advanced Materials (2016)
doi:10.1002/adma.201503832 ...

Panzer, Fabian; Hanft, Dominik; Gujar, Tanaji P.; Kahle, Frank-Julian; Thelakkat, Mukundan; Köhler, Anna; Moos, Ralf
Compact Layers of Hybrid Halide Perovskites Fabricated via the Aerosol Deposition Process : Unc ...
In: Materials Bd. 9 (2016) Heft 4. - S. 277
doi:10.3390/ma9040277 ...

Strohriegl, Peter; Saller, Christina; Knauer, Philipp; Köhler, Anna; Hahn, Tobias; Fischer, Florian; Kahle, Frank-Julian
Crosslinkable low bandgap polymers for organic solar cells
Organic voltaics XVII
Bellingham, Washington : SPIE, 2016 (Proceedings / SPIE, International Society for Optical Engineering; 9942)
doi:10.1117/12.2239400 ...

Reichenberger, Markus; Love, John A.; Rudnick, Alexander; Bagnich, Sergey A.; Panzer, Fabian; Stradomska, Anna; Bazan, Guillermo C.; Nguyen, Thuc-Quyen; Köhler, Anna
The effect of intermolecular interaction on excited states in p − DTS(FBTTH₂)₂
In: The Journal of Chemical Physics Bd. 144 (2016)
doi:10.1063/1.4941700 ...

Singh, Shivam; Li, Cheng; Panzer, Fabian; Narasimhan, K. L.; Gräser, Anna; Gujar, Tanaji P.; Köhler, Anna; Thelakkat, Mukundan; Hüttner, Sven; Kabra, Dinesh
Effect of Thermal and Structural Disorder on the Electronic Structure of Hybrid Perovskite Semi ...
In: The Journal of Physical Chemistry Letters Bd. 7 (2016) . - S. 3014-3021
doi:10.1021/acs.jpclett.6b01207 ...

Li, Cheng; Zhong, Yu; Luna, Carlos Andres Melo; Unger, Thomas; Deichsel, Konstantin; Gräser, Anna; Köhler, Jürgen; Köhler, Anna; Hildner, Richard; Hüttner, Sven
Emission Enhancement and Intermittency in Polycrystalline Organolead Halide Perovskite Films
In: Molecules Bd. 21 (2016) Heft 8
doi:10.3390/molecules21081081 ...

Rudnick, Alexander; Bagnich, Sergey A.; Wagner, Daniel; Athanasopoulos, Stavros; Strohriegl, Peter; Köhler, Anna
The influence of torsion on excimer formation in bipolar host materials for blue phosphorescent ...
In: The Journal of Chemical Physics Bd. 144 (2016)
doi:10.1063/1.4953102 ...

Hahn, Tobias; Tscheuschner, Steffen; Kahle, Frank-Julian; Reichenberger, Markus; Athanasopoulos, Stavros; Saller, Christina; Bazan, Guillermo C.; Nguyen, Thuc-Quyen; Strohriegl, Peter; Bässler, Heinz; Köhler, Anna
Monomolecular and Bimolecular Recombination of Electron–Hole Pairs at the Interface of a Bilaye ...
In: Advanced Functional Materials (2016)
doi:10.1002/adfm.201604906 ...

Panzer, Fabian; Baderschneider, Sebastian; Gujar, Tanaji P.; Unger, Thomas; Bagnich, Sergey A.; Jakoby, Marius; Bässler, Heinz; Hüttner, Sven; Köhler, Jürgen; Moos, Ralf; Thelakkat, Mukundan; Hildner, Richard; Köhler, Anna
Reversible Laser-Induced Amplified Spontaneous Emission from Coexisting Tetragonal and Orthorho ...
In: Advanced Optical Materials Bd. 4 (2016) Heft 6. - S. 917-928
doi:10.1002/adom.201500765 ...

Hahn, Tobias; Tscheuschner, Steffen; Saller, Christina; Strohriegl, Peter; Boregowda, Puttarraju; Mukhopadhyay, Tushita; Patil, Satish; Neher, Dieter; Bässler, Heinz; Köhler, Anna
Role of Intrinsic Photogeneration in Single Layer and Bilayer Solar Cells with C60 and PCBM
In: The Journal of Physical Chemistry C Bd. 120 (2016) Heft 43. - S. 25083-25091
doi:10.1021/acs.jpcc.6b08471 ...

Rahman, Md. Mostafizur; Younus, Muhammad; Naher, Masnun; Masud, Mostafa Kamal; Nomoto, Akihiro; Ogawa, Akiya; Rudnick, Alexander; Köhler, Anna
Synthesis, spectroscopic characterization, thermal and luminescent properties of new organosulf ...
In: Journal of Organometallic Chemistry Bd. 818 (2016) . - S. 185-194
doi:10.1016/j.jorganchem.2016.06.006 ...

2015

Bässler, Heinz; Köhler, Anna
“Hot or cold” : how do charge transfer states at the donor–acceptor interface of an organic sol ...
In: Physical Chemistry Chemical Physics (2015)
doi:10.1039/C5CP04110D ...

Scharsich, Christina; Fischer, Florian S. U.; Wilma, Kevin; Hildner, Richard; Ludwigs, Sabine; Köhler, Anna
Revealing structure formation in PCPDTBT by optical spectroscopy
In: Journal of Polymer Science Part B: Polymer Physics Bd. 53 (2015) Heft 18
doi:10.1002/polb.23780 ...

Tscheuschner, Steffen; Bässler, Heinz; Huber, Katja; Köhler, Anna
A Combined Theoretical and Experimental Study of Dissociation of Charge Transfer States at the ...
In: The Journal of Physical Chemistry B (2015)
doi:10.1021/acs.jpcb.5b05138 ...

Hahn, Tobias; Saller, Christina; Weigl, M.; Bauer, Irene; Unger, Thomas; Köhler, Anna; Strohriegl, Peter
Organic solar cells with crosslinked polymeric exciton blocking layer
In: Physica Status Solidi A (2015) . - S. 1-7
doi:10.1002/pssa.201532040 ...

Hahn, Tobias; Geiger, Johannes; Blase, Xavier; Duchemin, Ivan; Niedzialek, Dorota; Tscheuschner, Steffen; Beljonne, David; Bässler, Heinz; Köhler, Anna
Does Excess Energy Assist Photogeneration in an Organic Low-Bandgap Solar Cell?
In: Advanced Functional Materials (2015)
doi:10.1002/adfm.201403784 ...

Bagnich, Sergey A.; Athanasopoulos, Stavros; Rudnick, Alexander; Schrögel, Pamela; Bauer, Irene; Greenham, Neil C.; Strohriegl, Peter; Köhler, Anna
Excimer Formation by Steric Twisting in Carbazole and Triphenylamine-Based Host Materials
In: The Journal of Physical Chemistry C Bd. 119 (2015) Heft 5. - S. 2380-2387
doi:10.1021/jp512772j ...

Consani, Cristina; Koch, Federico; Panzer, Fabian; Unger, Thomas; Köhler, Anna; Brixner, Tobias
Relaxation dynamics and exciton energy transfer in the low-temperature phase of MEH-PPV
In: The Journal of Chemical Physics (2015) Heft 142. - S. 212429
doi:10.1063/1.4918645 ...

Panzer, Fabian; Sommer, Michael; Bässler, Heinz; Thelakkat, Mukundan; Köhler, Anna
Spectroscopic Signature of Two Distinct H-Aggregate Species in Poly(3-hexylthiophene)
In: Macromolecules Bd. 48 (2015) Heft 5. - S. 1543-1553
doi:10.1021/acs.macromol.5b00129 ...

Bagnich, Sergey A.; Rudnick, Alexander; Schrögel, Pamela; Strohriegl, Peter; Köhler, Anna
Triplet energies and excimer formation in meta- and para-linked carbazolebiphenyl matrix materi ...
In: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences Bd. 373 (2015) Heft 2044
doi:10.1098/rsta.2014.0446 ...

Unger, Thomas; Panzer, Fabian; Consani, Cristina; Koch, Federico; Brixner, Tobias; Bässler, Heinz; Köhler, Anna
Ultrafast Energy Transfer between Disordered and Highly Planarized Chains of Poly[2-methoxy-5-( ...
In: ACS Macro Letters (2015) Heft 4. - S. 412-416
doi:10.1021/acsmacrolett.5b00133 ...

2014

Schwarz, Christian; Milan, Felix; Hahn, Tobias; Reichenberger, Markus; Kümmel, Stephan; Köhler, Anna
Ground State Bleaching at Donor–Acceptor Interfaces
In: Advanced Functional Materials Bd. 24 (2014) Heft 41. - S. 6439-6448
doi:10.1002/adfm.201400297 ...

Fischer, Florian; Hahn, Tobias; Bässler, Heinz; Bauer, Irene; Strohriegl, Peter; Köhler, Anna
Measuring Reduced C60 Diffusion in Crosslinked Polymer Films by Optical Spectroscopy
In: Advanced Functional Materials Bd. 24 (2014) Heft 39. - S. 6172-6177
doi:10.1002/adfm.201401153 ...

Panzer, Fabian; Bässler, Heinz; Lohwasser, Ruth H.; Thelakkat, Mukundan; Köhler, Anna
The Impact of Polydispersity and Molecular Weight on the Order–Disorder Transition in Poly(3-he ...
In: The Journal of Physical Chemistry Letters Bd. 15 (2014) Heft 5. - S. 2742-2747
doi:10.1021/jz5009938 ...

Fishchuk, Ivan I.; Kadashchuk, Andrey; Hoffmann, Sebastian T.; Athanasopoulos, Stavros; Genoe, J.; Bässler, Heinz; Köhler, Anna
Analytic model of hopping transport in organic semiconductors including both energetic disorder ...
Palassini, Matteo (Ed.):15th International Conference on Transport in Interacting Disordered Systems (TIDS15)
Bayreuth : AIP Publishing, 2014. - S. 47-52 . - (AIP Conference Proceedings; 1610)
doi:10.1063/1.4893509 ...

Panzer, Fabian; Bässler, Heinz; Lohwasser, Ruth; Thelakkat, Mukundan; Köhler, Anna
The Impact of Polydispersity and Molecular Weight on the Order–Disorder Transition in Poly(3-he ...
In: The Journal of Physical Chemistry Letters Bd. 5 (2014) Heft 15. - S. 2742-2747
doi:10.1021/jz5009938 ...

Neumann, Katharina; Schwarz, Christian; Köhler, Anna; Thelakkat, Mukundan
Influence of the Excited-State Charge-Transfer Character on the Exciton Dissociation in Donor–A ...
In: The Journal of Physical Chemistry C Bd. 118 (2014) Heft 1. - S. 27-36
doi:10.1021/jp407014q ...

Fishchuk, Ivan I.; Kadashchuk, Andrey; Mityashin, A.; Gavrilyuk, M. M.; Köhler, Anna; Bässler, Heinz; Genoe, J.; Sitter, H.; Sariciftci, N. S.
Origin of Meyer-Neldel type compensation behavior in organic semiconductors at large carrier co ...
In: Physical Review B Bd. 90 (2014) Heft 24. - S. 245201
doi:10.1103/PhysRevB.90.245201 ...

Ling, Jun; Zheng, Zhicheng; Köhler, Anna; Müller, Axel H. E.
Rod-Like Nano-Light Harvester
In: Macromolecular Rapid Communications Bd. 35 (2014) Heft 1. - S. 52-55
doi:10.1002/marc.201300785 ...

2013

Haedler, Andreas T.; Misslitz, Holger; Bühlmeyer, Christian; Albuquerque, Rodrigo Q.; Köhler, Anna; Schmidt, Hans-Werner
Controlling the π-Stacking Behavior of Pyrene Derivatives : Influence of H-Bonding and Steric E ...
In: ChemPhysChem Bd. 14 (2013) Heft 9. - S. 1818-1829
doi:10.1002/cphc.201300242 ...

Hoffmann, Sebastian T.; Jaiser, Frank; Hayer, Anna; Bässler, Heinz; Unger, Thomas; Athanasopoulos, Stavros; Neher, Dieter; Köhler, Anna
How Do Disorder, Reorganization, and Localization Influence the Hole Mobility in Conjugated Cop ...
In: Journal of the American Chemical Society Bd. 135 (2013) Heft 5. - S. 1772-1782
doi:10.1021/ja308820j ...

Strohriegl, Peter; Wagner, Daniel; Schrögel, Pamela; Hoffmann, Sebastian T.; Köhler, Anna; Heinemeyer, Ute; Münster, Ingo
Novel host materials for blue phosphorescent OLEDs
So, Franky (Hrsg.): Organic light emitting materials and devices XVII
Bellingham, Washington : SPIE, 2013. - S. 882906 . - (Proceedings / SPIE, International Society for Optical Engineering; 8829)
doi:10.1117/12.2023305 ...

Yamagata, Hajime; Hestand, Nicholas J.; Spano, Frank C.; Köhler, Anna; Scharsich, Christina; Hoffmann, Sebastian T.; Bässler, Heinz
The red-phase of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) : A disord ...
In: The Journal of Chemical Physics Bd. 139 (2013)
doi:10.1063/1.4819906 ...

Schwarz, Christian; Tscheuschner, Steffen; Frisch, Johannes; Winkler, Stefanie; Koch, Norbert; Bässler, Heinz; Köhler, Anna
Role of the effective mass and interfacial dipoles on exciton dissociation in organic donor-acc ...
In: Physical Review B Bd. 87 (2013) Heft 15
doi:10.1103/PhysRevB.87.155205 ...

Athanasopoulos, Stavros; Hoffmann, Sebastian T.; Bässler, Heinz; Köhler, Anna; Beljonne, David
To Hop or Not to Hop? Understanding the Temperature Dependence of Spectral Diffusion in Organic ...
In: The Journal of Physical Chemistry Letters Bd. 4 (2013) Heft 10. - S. 1694-1700
doi:10.1021/jz400480a ...

Wagner, Daniel; Hoffmann, Sebastian T.; Heinemeyer, Ute; Münster, Ingo; Köhler, Anna; Strohriegl, Peter
Triazine Based Bipolar Host Materials for Blue Phosphorescent OLEDs
In: Chemistry of Materials Bd. 25 (2013) Heft 18. - S. 3758-3765
doi:10.1021/cm4023216 ...

Fishchuk, Ivan I.; Kadashchuk, Andrey; Hoffmann, Sebastian T.; Athanasopoulos, Stavros; Genoe, J.; Bässler, Heinz; Köhler, Anna
Unified description for hopping transport in organic semiconductors including both energetic di ...
In: Physical Review B Bd. 88 (2013) Heft 12
doi:10.1103/PhysRevB.88.125202 ...

2012

Scharsich, Christina; Lohwasser, Ruth H.; Sommer, Michael; Asawapirom, Udom; Scherf, Ullrich; Thelakkat, Mukundan; Neher, Dieter; Köhler, Anna
Control of aggregate formation in poly(3-hexylthiophene) by solvent, molecular weight, and synt ...
In: Journal of Polymer Science Part B: Polymer Physics Bd. 50 (2012) Heft 6. - S. 442-453
doi:10.1002/polb.23022 ...

Schwarz, Christian; Bässler, Heinz; Bauer, Irene; Koenen, Jan-Moritz; Preis, Eduard; Scherf, Ullrich; Köhler, Anna
Does Conjugation Help Exciton Dissociation? A Study on Poly(p-phenylene)s in Planar Heterojunct ...
In: Advanced Materials Bd. 24 (2012) Heft 7. - S. 922-925
doi:10.1002/adma.201104063 ...

Hoffmann, Sebastian T.; Athanasopoulos, Stavros; Beljonne, David; Bässler, Heinz; Köhler, Anna
How do Triplets and Charges Move in Disordered Organic Semiconductors? A Monte Carlo Study Comp ...
In: The Journal of Physical Chemistry C Bd. 116 (2012) Heft 31. - S. 16371-16383
doi:10.1021/jp305062p ...

Köhler, Anna; Hoffmann, Sebastian T.; Bässler, Heinz
An Order–Disorder Transition in the Conjugated Polymer MEH-PPV
In: Journal of the American Chemical Society Bd. 134 (2012) Heft 28. - S. 11594-11601
doi:10.1021/ja302408a ...

Köhler, Anna
Organic semiconductors : no more breaks for electrons
In: Nature Materials Bd. 11 (2012) Heft 10. - S. 836-837
doi:10.1038/nmat3427 ...

Köhler, Anna; Khan, Amena L. T.; Wilson, Joanne S.; Dosche, Carsten; Al-Suti, Mohammed K.; Shah, Hakikulla H.; Khan, Muhammad S.
The role of C-H and C-C stretching modes in the intrinsic non-radiative decay of triplet states ...
In: The Journal of Chemical Physics Bd. 136 (2012)
doi:10.1063/1.3691105 ...

Stöcker, Thomas; Köhler, Anna; Moos, Ralf
Why does the electrical conductivity in PEDOT:PSS decrease with PSS content? : A study combinin ...
In: Journal of Polymer Science Part B: Polymer Physics Bd. 50 (2012) Heft 14. - S. 976-983
10.1002/polb.23089 ...

2011

Scharsich, Christina; Lohwasser, Ruth H.; Sommer, Michael; Asawapirom, Udom; Scherf, Ullrich; Thelakkat, Mukundan; Neher, Dieter; Köhler, Anna
Control of aggregate formation in poly(3-hexylthiophene) by solvent, molecular weight, and synt ...
In: Journal of Polymer Science Part B: Polymer Physics Bd. 50 (2011) Heft 6. - S. 442-453
doi:10.1002/polb.23022 ...

Albuquerque, Rodrigo Q.; Hofmann, Christiane C.; Köhler, Jürgen; Köhler, Anna
Diffusion-Limited Energy Transfer in Blends of Oligofluorenes with an Anthracene Derivative
In: The Journal of Physical Chemistry B Bd. 115 (2011) Heft 25. - S. 8063-8070
doi:10.1021/jp202333w ...

Hayer, Anna; van Regemorter, Tanguy; Höfer, Bianca; Mak, Chris S. K.; Beljonne, David; Köhler, Anna
On the formation mechanism for electrically generated exciplexes in a carbazole–pyridine copoly ...
In: Journal of Polymer Science Part B: Polymer Physics Bd. 50 (2011) Heft 5. - S. 361-369
doi:10.1002/polb.23011 ...

Herrmann, Daniel; Niesar, Sabrina; Scharsich, Christina; Köhler, Anna; Stutzmann, Martin; Riedle, Eberhard
Role of Structural Order and Excess Energy on Ultrafast Free Charge Generation in Hybrid Polyth ...
In: Journal of the American Chemical Society Bd. 133 (2011) Heft 45. - S. 18220-18233
doi:10.1021/ja207887q ...

Schrögel, Pamela; Tomkevičienė, Aušra; Strohriegl, Peter; Hoffmann, Sebastian T.; Köhler, Anna; Lennartz, Christian
A series of CBP-derivatives as host materials for blue phosphorescent organic light-emitting di ...
In: Journal of Materials Chemistry Bd. 21 (2011) . - S. 2266-2273
doi:10.1039/C0JM03321A ...

Khan, Muhammad S.; Al-Suti, Mohammed K.; Shah, Hakikulla H.; Al-Humaimi, Said; Al-Battashi, Fathiya R.; Bjernemose, Jens K.; Male, Louise; Raithby, Paul R.; Zhang, Ning; Köhler, Anna; Warren, John E.
Synthesis and characterization of platinum(II) di-ynes and poly-ynes incorporating ethylenediox ...
In: Dalton Transactions Bd. 40 (2011) . - S. 10174-10183
doi:10.1039/C1DT11010A ...

Hoffmann, Sebastian T.; Schrögel, Pamela; Rothmann, Michael; Albuquerque, Rodrigo Q.; Strohriegl, Peter; Köhler, Anna
Triplet Excimer Emission in a Series of 4,4′-Bis(N-carbazolyl)-2,2′-biphenyl Derivatives
In: The Journal of Physical Chemistry B Bd. 115 (2011) Heft 3. - S. 414-421
doi:10.1021/jp107408e ...

Hoffmann, Sebastian T.; Koenen, Jan-Moritz; Scherf, Ullrich; Bauer, Irene; Strohriegl, Peter; Bässler, Heinz; Köhler, Anna
Triplet–Triplet Annihilation in a Series of Poly(p-phenylene) Derivatives
In: The Journal of Physical Chemistry B Bd. 115 (2011) Heft 26. - S. 8417-8423
doi:10.1021/jp202763e ...

Köhler, Anna; Bässler, Heinz
What controls triplet exciton transfer in organic semiconductors?
In: Journal of Materials Chemistry Bd. 21 (2011) . - S. 4003-4011
doi:10.1039/C0JM02886J ...

2010

Thesen, Manuel W.; Höfer, Bianca; Debeaux, Marc; Janietz, Silvia; Wedel, Armin; Köhler, Anna; Johannes, Hans-Hermann; Krüger, Hartmut
Hole-transporting host-polymer series consisting of triphenylamine basic structures for phospho ...
In: Journal of Polymer Science Part A: Polymer Chemistry Bd. 48 (2010) Heft 15. - S. 3417-3430
doi:10.1002/pola.24127 ...

Hoffmann, Sebastian T.; Bässler, Heinz; Koenen, Jan-Moritz; Forster, Michael; Scherf, Ullrich; Scheler, Esther; Strohriegl, Peter; Köhler, Anna
Spectral diffusion in poly(para-phenylene)-type polymers with different energetic disorder
In: Physical Review B Bd. 81 (2010)
doi:10.1103/PhysRevB.81.115103 ...

Hoffmann, Sebastian T.; Scheler, Esther; Koenen, Jan-Moritz; Forster, Michael; Scherf, Ullrich; Strohriegl, Peter; Bässler, Heinz; Köhler, Anna
Triplet energy transfer in conjugated polymers. III. An experimental assessment regarding the i ...
In: Physical Review B Bd. 81 (2010)
doi:10.1103/PhysRevB.81.165208 ...

Hoffmann, Sebastian T.; Bässler, Heinz; Köhler, Anna
What Determines Inhomogeneous Broadening of Electronic Transitions in Conjugated Polymers?
In: The Journal of Physical Chemistry B Bd. 114 (2010) Heft 51. - S. 17037-17048
doi:10.1021/jp107357y ...

2009

Devi, Lekshmi Sudha; Al-Suti, Mohammed K.; Zhang, Ning; Teat, Simon J.; Male, Louise; Sparkes, Hazel A.; Raithby, Paul R.; Khan, Muhammad S.; Köhler, Anna
Synthesis and Comparison of the Optical Properties of Platinum(II) Poly-ynes with Fused and Non ...
In: Macromolecules Bd. 42 (2009) Heft 4. - S. 1131-1141
doi:10.1021/ma802399a ...

Köhler, Anna; Bässler, Heinz
Triplet states in organic semiconductors
In: Materials Science & Engineering R, Reports Bd. 66 (2009) Heft 4/6. - S. 71-109
doi:10.1016/j.mser.2009.09.001 ...

2008

Devi, Lekshmi Sudha; Al-Suti, Mohammed K.; Dosche, Carsten; Khan, Muhammad S.; Friend, Richard H.; Köhler, Anna
Triplet energy transfer in conjugated polymers. I. Experimental investigation of a weakly disor ...
In: Physical Review B Bd. 78 (2008) . - S. 045210
doi:10.1103/PhysRevB.78.045210 ...

Fishchuk, Ivan I.; Kadashchuk, Andrey; Devi, Lekshmi Sudha; Heremans, Paul; Bässler, Heinz; Köhler, Anna
Triplet energy transfer in conjugated polymers. II. A polaron theory description addressing the ...
In: Physical Review B Bd. 78 (2008) . - S. 045211
doi:10.1103/PhysRevB.78.045211 ...

Aharon, Eyal; Breuer, Steffen; Jaiser, Frank; Köhler, Anna; Frey, Gitti L.
Effect of the Solvent on the Conformation of Isolated MEH-PPV Chains Intercalated Into SnS2
In: ChemPhysChem Bd. 9 (2008) Heft 10. - S. 1430-1436
doi:10.1002/cphc.200800109 ...

Schütz, Christoph; Höfer, Bianca; Jaiser, Frank; Krüger, Hartmut; Thesen, Manuel W.; Janietz, Silvia; Köhler, Anna
Exciton dynamics in blends of phosphorescent emitters
In: Physica Status Solidi B Bd. 245 (2008) Heft 5. - S. 810-813
doi:10.1002/pssb.200743441 ...

2007

Parkinson, P.; Aharon, Eyal; Chang, M. H.; Dosche, Carsten; Frey, Gitti L.; Köhler, Anna; Herz, Laura M.
Dimensionality-dependent energy transfer in polymer-intercalated SnS2 nanocomposites
In: Physical Review B Bd. 75 (2007) . - S. 165206
doi:10.1103/PhysRevB.75.165206 ...

2006

Zhang, Ning; Hayer, Anna; Al-Suti, Mohammed K.; Al-Belushi, Rayya A.; Khan, Muhammad S.; Köhler, Anna
The effect of delocalization on the exchange energy in meta- and para-linked Pt-containing carb ...
In: The Journal of Chemical Physics Bd. 124 (2006) Heft 24. - S. 244701
doi:10.1063/1.2200351 ...

Hayer, Anna; de Halleux, Véronique; Köhler, Anna; El-Garoughy, Abdel; Meijer, E. W.; Barberá, Joaquin; Tant, Julien; Levin, Jeremy; Lehmann, Matthias; Gierschner, Johannes; Cornil, Jérôme; Geerts, Yves Henri
Highly Fluorescent Crystalline and Liquid Crystalline Columnar Phases of Pyrene-Based Structure ...
In: The Journal of Physical Chemistry B Bd. 110 (2006) Heft 15. - S. 7653-7659
doi:10.1021/jp0573689 ...

Evans, Nicholas R.; Devi, Lekshmi Sudha; Mak, Chris S. K.; Watkins, Scott E.; Pascu, Sofia I.; Köhler, Anna; Friend, Richard H.; Williams, Charlotte K.; Holmes, Andrew B.
Triplet Energy Back Transfer in Conjugated Polymers with Pendant Phosphorescent Iridium Complex ...
In: Journal of the American Chemical Society Bd. 128 (2006) Heft 20. - S. 6647-6656
doi:10.1021/ja0584267 ...

2005

Mak, Chris S. K.; Hayer, Anna; Pascu, Sofia I.; Watkins, Scott E.; Holmes, Andrew B.; Köhler, Anna; Friend, Richard H.
Blue-to-green electrophosphorescence of iridium-based cyclometallated materials
In: Chemical Communications Bd. 37 (2005) . - S. 4708-4710
doi:10.1039/B508695G ...

Mermer, Ö.; Veeraraghavan, G.; Francis, T. L.; Sheng, Y.; Nguyen, D. T.; Wohlgenannt, M.; Köhler, Anna; Al-Suti, Mohammed K.; Khan, Muhammad S.
Large magnetoresistance in nonmagnetic π-conjugated semiconductor thin film devices
In: Physical Review B Bd. 72 (2005) Heft 20. - S. 205202
doi:10.1103/PhysRevB.72.205202 ...

Hayer, Anna; Khan, Amena L. T.; Friend, Richard H.; Köhler, Anna
Morphology dependence of the triplet excited state formation and absorption in polyfluorene
In: Physical Review B Bd. 71 (2005) . - S. 241302
doi:10.1103/PhysRevB.71.241302 ...

2004

Khan, Amena L. T.; Sreearunothai, Paiboon; Herz, Laura M.; Banach, Michael J.; Köhler, Anna
Morphology-dependent energy transfer within polyfluorene thin films
In: Physical Review B Bd. 69 (2004)
doi:10.1103/PhysRevB.69.085201 ...

Hayer, Anna; Köhler, Anna; Arisi, E.; Bergenti, I.; Dediu, A.; Taliani, C.; Al-Suti, Mohammed K.; Khan, Muhammad S.
Polymer light-emitting diodes with spin-polarised charge injection
In: Synthetic Metals Bd. 147 (2004) . - S. 155-158
doi:10.1016/j.synthmet.2004.06.031 ...

Köhler, Anna; Beljonne, David
The Singlet–Triplet Exchange Energy in Conjugated Polymers
In: Advanced Functional Materials Bd. 14 (2004) Heft 1. - S. 11-18
doi:10.1002/adfm.200305032 ...

Sandee, Albertus J.; Williams, Charlotte K.; Evans, Nicholas R.; Davies, John E.; Boothby, Clare E.; Köhler, Anna; Friend, Richard H.; Holmes, Andrew B.
Solution-Processible Conjugated Electrophosphorescent Polymers
In: Journal of the American Chemical Society Bd. 126 (2004) Heft 22. - S. 7041-7048
doi:10.1021/ja039445o ...

Yang, C.; Vardeny, Z. V.; Köhler, Anna; Wohlgenannt, M.; Al-Suti, Mohammed K.; Khan, Muhammad S.
Spectroscopic study of spin-dependent exciton formation rates in π-conjugated semiconductors: C ...
In: Physical Review B Bd. 70 (2004)
doi:10.1103/PhysRevB.70.241202 ...

Khan, Muhammad S.; Al-Mandhary, Muna R. A.; Al-Suti, Mohammed K.; Al-Battashi, Fathiya R.; Al-Saadi, Sultan; Ahrens, Birte; Bjernemose, Jens K.; Mahon, Mary F.; Raithby, Paul R.; Younus, Muhammad; Chawdhury, Nazia; Köhler, Anna; Marseglia, Elizabeth A.; Tedesco, Emilio; Feeder, Neil; Teat, Simon J.
Synthesis, characterisation and optical spectroscopy of platinum(II) di-ynes and poly-ynes inco ...
In: Dalton Transactions (2004) . - S. 2377-2385
doi:10.1039/B405070C ...

2003

Khan, Amena L. T.; Banach, Michael J.; Köhler, Anna
Control of β-phase formation in polyfluorene thin films via Franck–Condon analysis
In: Synthetic Metals Bd. 139 (2003) Heft 3. - S. 905-907
doi:10.1016/S0379-6779(03)00244-3 ...

Brown, Peter J.; Thomas, D. Steve; Köhler, Anna; Wilson, Joanne S.; Kim, Ji-Seon; Ramsdale, Catherine M.; Sirringhaus, Henning; Friend, Richard H.
Effect of interchain interactions on the absorption and emission of poly(3-hexylthiophene)
In: Physical Review B Bd. 67 (2003) . - S. 064203
doi:10.1103/PhysRevB.67.064203 ...

Johnston, M. B.; Herz, Laura M.; Khan, Amena L. T.; Köhler, Anna; Davies, A. G.; Linfield, E. H.
Low-energy vibrational modes in phenylene oligomers studied by THz time-domain spectroscopy
In: Chemical Physics Letters Bd. 377 (2003) Heft 1-2. - S. 256-262
doi:10.1016/S0009-2614(03)01136-9 ...

Köhler, Anna; Wilson, Joanne S.
Phosphorescence and spin-dependent exciton formation in conjugated polymers
In: Organic Electronics Bd. 4 (2003) Heft 2-3. - S. 179-189
doi:10.1016/j.orgel.2003.08.011 ...

Wilson, Joanne S.; Wilson, R. J.; Friend, Richard H.; Köhler, Anna; Al-Suti, Mohammed K.; Al-Mandhary, Muna R. A.; Khan, Muhammad S.
Polarization of singlet and triplet excited states in a platinum-containing conjugated polymer
In: Physical Review B Bd. 67 (2003) . - S. 125206
doi:10.1103/PhysRevB.67.125206 ...

Khan, Muhammad S.; Al-Suti, Mohammed K.; Al-Mandhary, Muna R. A.; Ahrens, Birte; Bjernemose, Jens K.; Mahon, Mary F.; Male, Louise; Raithby, Paul R.; Friend, Richard H.; Köhler, Anna; Wilson, Joanne S.
Synthesis and characterisation of new acetylide-functionalised aromatic and hetero-aromatic lig ...
In: Dalton Transactions (2003) Heft 1. - S. 65-73
doi:10.1039/B208494E ...

Khan, Muhammad S.; Al-Mandhary, Muna R. A.; Al-Suti, Mohammed K.; Corcoran, Timothy C.; Al-Mahrooqi, Yaqoub; Attfield, J. Paul; Feeder, Neil; David, William I. F.; Shankland, Kenneth; Friend, Richard H.; Köhler, Anna; Marseglia, Elizabeth A.; Tedesco, Emilio; Tang, Chiu C.; Raithby, Paul R.; Collings, Jonathan C.; Roscoe, Karl P.; Batsanov, Andrei S.; Stimson, Lorna M.; Marder, Todd B.
Synthesis and optical characterisation of platinum(II) poly-yne polymers incorporating substitu ...
In: New Journal of Chemistry Bd. 27 (2003) Heft 1. - S. 140-149
doi:10.1039/B206946F ...

Khan, Muhammad S.; Al-Mandhary, Muna R. A.; Al-Suti, Mohammed K.; Ahrens, Birte; Mahon, Mary F.; Male, Louise; Raithby, Paul R.; Boothby, Clare E.; Köhler, Anna
Synthesis, characterisation and optical spectroscopy of diynes and poly-ynes containing derivat ...
In: Dalton Transactions (2003) Heft 1. - S. 74-84
doi:10.1039/B208963G ...

2002

Köhler, Anna; Wilson, Joanne S.; Friend, Richard H.
Fluorescence and Phosphorescence in Organic Materials
In: Advanced Engineering Materials Bd. 4 (2002) Heft 7. - S. 453-459
doi:10.1002/1527-2648(20020717)4:7<453::AID-ADEM45 ...

Köhler, Anna; Wilson, Joanne S.; Friend, Richard H.; Al-Suti, Mohammed K.; Khan, Muhammad S.; Gerhard, A.; Bässler, Heinz
The singlet–triplet energy gap in organic and Pt-containing phenylene ethynylene polymers and m ...
In: The Journal of Chemical Physics Bd. 116 (2002) Heft 21. - S. 9457
doi:10.1063/1.1473194 ...

Khan, Muhammad S.; Al-Mandhary, Muna R. A.; Al-Suti, Mohammed K.; Hisahm, Abdul Khader; Raithby, Paul R.; Ahrens, Birte; Mahon, Mary F.; Male, Louise; Marseglia, Elizabeth A.; Tedesco, Emilio; Friend, Richard H.; Köhler, Anna; Feeder, Neil; Teat, Simon J.
Structural characterisation of a series of acetylide-functionalised oligopyridines and the synt ...
In: Dalton Transactions (2002) Heft 7. - S. 1358-1368
doi:10.1039/B110658A ...

Khan, Muhammad S.; Al-Mandhary, Muna R. A.; Al-Suti, Mohammed K.; Feeder, Neil; Nahar, Saifun; Köhler, Anna; Friend, Richard H.; Wilson, Paul J.; Raithby, Paul R.
Synthesis, characterisation and electronic properties of a series of platinum(II) poly-ynes con ...
In: Dalton Transactions (2002) Heft 12. - S. 2441-2448
doi:10.1039/B201073A ...

2001

Wilson, Joanne S.; Chawdhury, Nazia; Al-Mandhary, Muna R. A.; Younus, Muhammad; Khan, Muhammad S.; Raithby, Paul R.; Köhler, Anna; Friend, Richard H.
The Energy Gap Law for Triplet States in Pt-Containing Conjugated Polymers and Monomers
In: Journal of the American Chemical Society Bd. 123 (2001) Heft 38. - S. 9412-9417
doi:10.1021/ja010986s ...

Wilson, Joanne S.; Dhoot, A. S.; Seeley, A. J. A. B.; Khan, Muhammad S.; Köhler, Anna; Friend, Richard H.
Spin-dependent exciton formation in pi-conjugated compounds
In: Nature Bd. 413 (2001) . - S. 828-831
doi:10.1038/35101565 ...

2000

Wilson, Joanne S.; Köhler, Anna; Friend, Richard H.; Al-Suti, Mohammed K.; Al-Mandhary, Muna R. A.; Khan, Muhammad S.; Raithby, Paul R.
Triplet states in a series of Pt-containing ethynylenes
In: The Journal of Chemical Physics Bd. 113 (2000) Heft 17. - S. 7627
doi:10.1063/1.1313527 ...

1999

Köhler, Anna; Younus, Muhammad; Al-Mandhary, Muna R. A.; Raithby, Paul R.; Khan, Muhammad S.; Friend, Richard H.
Donor-acceptor interactions in organometallic and organic poly-ynes
In: Synthetic Metals Bd. 101 (1999) Heft 1-3. - S. 246-247
doi:10.1016/S0379-6779(98)01360-5 ...

Chawdhury, Nazia; Köhler, Anna; Friend, Richard H.; Wong, W.-Y.; Lewis, Jack; Younus, Muhammad; Raithby, Paul R.; Corcoran, Timothy C.; Al-Mandhary, Muna R. A.; Khan, Muhammad S.
Evolution of lowest singlet and triplet excited states with number of thienyl rings in platinum ...
In: The Journal of Chemical Physics Bd. 110 (1999) Heft 10. - S. 4963
doi:10.1063/1.478382 ...

1998

Köhler, Anna; dos Santos, D. A.; Beljonne, David; Shuai, Z.; Bredas, J.-L.; Holmes, Andrew B.; Kraus, A.; Müllen, K.; Friend, Richard H.
Charge separation in localized and delocalized electronic states in polymeric semiconductors
In: Nature Bd. 392 (1998) . - S. 903-906
doi:10.1038/31901 ...

Chawdhury, Nazia; Köhler, Anna; Friend, Richard H.; Younus, Muhammad; Long, Nicholas J.; Raithby, Paul R.; Lewis, Jack
Synthesis and Electronic Structure of Platinum-Containing Poly-ynes with Aromatic and Heteroaro ...
In: Macromolecules Bd. 31 (1998) Heft 3. - S. 722-727
doi:10.1021/ma971267u ...

Younus, Muhammad; Köhler, Anna; Cron, Stephane; Chawdhury, Nazia; Al-Mandhary, Muna R. A.; Khan, Muhammad S.; Lewis, Jack; Long, Nicholas J.; Friend, Richard H.; Raithby, Paul R.
Synthesis, Electrochemistry, and Spectroscopy of Blue Platinum(II) Polyynes and Diynes
In: Angewandte Chemie International Edition Bd. 37 (1998) Heft 21. - S. 3036-3039
doi:10.1002/(SICI)1521-3773(19981116)37:21<3036::A ...

1997

Friend, Richard H.; Denton, G. J.; Halls, J. J. M.; Harrison, N. T.; Holmes, Andrew B.; Köhler, Anna; Lux, A.; Moratti, S. C.; Pichler, K.; Tessler, N.; Towns, K.; Wittmann, H. F.
Electronic excitations in luminescent conjugated polymers
In: Solid State Communications Bd. 102 (1997) Heft 2-3. - S. 249-258
doi:10.1016/S0038-1098(96)00715-6 ...

Friend, Richard H.; Denton, G. J.; Halls, J. J. M.; Harrison, N. T.; Holmes, Andrew B.; Köhler, Anna; Lux, A.; Moratti, S. C.; Pichler, K.; Tessler, N.; Towns, K.
Electronic Processes of Conjugated Polymers in Semiconductor Device Structures
In: Synthetic Metals Bd. 84 (1997) Heft 1-3. - S. 463-470
doi:10.1016/S0379-6779(97)80830-2 ...

Köhler, Anna; dos Santos, D. A.; Beljonne, David; Shuai, Z.; Bredas, J.-L.; Friend, Richard H.; Moratti, S. C.; Holmes, Andrew B.
UV photocurrent spectroscopy in poly(p-phenylene vinylene) and derivatives
In: Synthetic Metals Bd. 84 (1997) Heft 1-3. - S. 675-676
doi:10.1016/S0379-6779(96)04104-5 ...

1996

Köhler, Anna; Wittmann, H. F.; Friend, Richard H.; Khan, Muhammad S.; Lewis, Jack
Enhanced photocurrent response in photocells made with platinum-poly-yne/C60 blends by photoind ...
In: Synthetic Metals Bd. 77 (1996) Heft 1-3. - S. 147-150
doi:10.1016/0379-6779(96)80076-2 ...

Beljonne, David; Wittmann, H. F.; Köhler, Anna; Graham, S.; Younus, Muhammad; Lewis, Jack; Raithby, Paul R.; Khan, Muhammad S.; Friend, Richard H.; Bredas, J.-L.
Spatial extent of the singlet and triplet excitons in transition metal‐containing poly‐ynes
In: The Journal of Chemical Physics Bd. 105 (1996) Heft 9. - S. 3868
doi:10.1063/1.472207 ...

Cervini, R.; Holmes, Andrew B.; Moratti, S. C.; Köhler, Anna; Friend, Richard H.
Synthesis of new conjugated thiophene polymers
In: Synthetic Metals Bd. 76 (1996) Heft 1-3. - S. 169-171
doi:10.1016/0379-6779(95)03445-P ...

1995

Köhler, Anna; Grüner, J.; Friend, Richard H.; Müllen, K.; Scherf, Ullrich
Photocurrent measurements on aggregates in ladder-type poly(p-phenylene)
In: Chemical Physics Letters Bd. 243 (1995) Heft 5-6. - S. 456-461
doi:10.1016/0009-2614(95)00840-Z ...

1994

Köhler, Anna; Wittmann, H. F.; Friend, Richard H.; Khan, Muhammad S.; Lewis, Jack
The photovoltaic effect in a platinum poly-yne
In: Synthetic Metals Bd. 67 (1994) Heft 1-3. - S. 245-249
doi:10.1016/0379-6779(94)90050-7 ...


Experimentalphysik II


Prof. Dr. Anna Köhler

Universität Bayreuth

Universitätsstraße 30
95447 Bayreuth

Telefon: +49 (0) 921 / 55 - 2601
E-Mail: Anna. Doerfler@uni-bayreuth.de
Homepage: weiter zur Homepage

Facebook Twitter Youtube-Kanal Instagram Blog Kontakt