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Fakultät für Biologie, Chemie und Geowissenschaften

Makromolekulare Chemie I: Prof. Hans-Werner Schmidt

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Michael Sommer: Publikationen

-- 2018 --
Raithel, D.; Simine, L.; Pickel, S.; Schötz, K.; Panzer, F.; Baderschneider, S.; Schiefer, D.; Lohwasser, R.H.; Köhler, J.; Thelakkat, M.; Sommer, M.; Köhler, A.; Rossky, P.J.; Hildner, Richard: Direct observation of backbone planarization via side-chain alignment in single bulky-substituted polythiophenes, Proceedings of the National Academy of Sciences of the United States of America 115(11), 2699-2704 (2018) -- DOI: 10.1073/pnas.1719303115 -- Details

-- 2015 --
Panzer, F.; Sommer, M.; Bässler, H.; Thelakkat, M.; Köhler, A.: Spectroscopic Signature of Two Distinct H-Aggregate Species in Poly(3-hexylthiophene), Macromolecules, 48(5), 1543–1553 (2015) -- DOI: 10.1021/acs.macromol.5b00129 -- Details

-- 2014 --
Spreitler, F.; Sommer, M.; Hollfelder, M.; Thelakkat, M.; Gekle, S.: Unravelling the conformations of di-(perylene bisimide acrylate) by combining time-resolved fluorescence-anisotropy experiments and molecular modelling, Physical Chemistry Chemical Physics, 16, 25959-25968 (2014) -- DOI: 10.1039/C4CP03064H -- Details

-- 2013 --
Balko, J.; Sommer, M.; Lohwasser, R.H.; Thelakkat, M.; Thurn-Albrecht, T.: Determination of the Crystallinity of Semicrystalline Poly(3-hexylthiophene) by Means of Wide-Angle X-ray Scattering, Macromolecules, 46(24), 9642–9651 (2013) -- DOI: 10.1021/ma401946w -- Details
Kurz, R.; Cobo, M.F.; de Azevedo, E.R.; Sommer, M.; Wicklein, A.; Thelakkat, M.; Hempel, G.; Saalwächter, K.: Avoiding Bias Effects in NMR Experiments for Heteronuclear Dipole–Dipole Coupling Determinations: Principles and Application to Organic Semiconductor Materials, ChemPhysChem, 14(13), 3146-55 (2013) -- DOI: 10.1002/cphc.201300255 -- Details
Lohwasser, R.H.; Gupta, G.; Kohn, P.; Sommer, M.; Lang, A.S.; Thurn-Albrecht, T.; Thelakkat, M.: Phase Separation in the Melt and Confined Crystallization as the Key to Well-Ordered Microphase Separated Donor–Acceptor Block Copolymers, Macromolecules, 46(11), 4403–4410 (2013) -- DOI: 10.1021/ma3021147 -- Details
Bauer, P.; Sommer, M.; Thurn, J.; Pärs, M.; Köhler, J.; Thelakkat, M.: A photoswitchable poly(3-hexylthiophene), Chemical Communications, 49, 4637-4639 (2013) -- DOI: 10.1039/C3CC41765D -- Details
Goldberg-Oppenheimer, P.; Kabra, D.; Vignolini, S.; Hüttner, S.; Sommer, M.; Neumann, K.; Thelakkat, M.; Steiner, U.: Hierarchical Orientation of Crystallinity by Block-Copolymer Patterning and Alignment in an Electric Field, Chemistry of Materials, 25(7), 1063-1070 (2013) -- DOI: 10.1021/cm3038075 -- Details

-- 2012 --
Andringa, A.M.; Roelofs, W.S.C.; Sommer, M.; Thelakkat, M.; Kemerink, M.; de Leeuw, D.M.: Localizing trapped charge carriers in NO2 sensors based on organic field-effect transistors, Applied Physics Letters, 101, 153302 (2012) -- DOI: 10.1063/1.4758697 -- Details
Kohn, P.; Ghazaryan, L.; Gupta, G.; Sommer, M.; Wicklein, A.; Thelakkat, M.; Thurn-Albrecht, T.: Thermotropic Behavior, Packing, and Thin Film Structure of an Electron Accepting Side-Chain Polymer, Macromolecules, 45(14), 5676-5683 (2012) -- DOI: 10.1021/ma3010197 -- Details
Hüttner, S.; Hodgkiss, J.; Sommer, M.; Friend, R.H.; Steiner, U.; Thelakkat, M.: Morphology-Dependent Charge Photogeneration in Donor-Acceptor Block Copolymer Films Based on Poly(3-hexylthiophene)-block-Poly(perylene bisimide acrylate), Journal of Physical Chemistry B, 116(33), 10070-10078 (2012) -- DOI: 10.1021/jp301966p -- Details
Spreitler, F.; Sommer, M.; Thelakkat, M.; Köhler, J.: Conformational dynamics of di-(perylene bisimide acrylate) and its footprints in steady-state, time-resolved, and fluorescence-correlation spectroscopy, Physical Chemistry Chemical Physics, 14(22), 7971-7980 (2012) -- DOI: 10.1039/c2cp40387k -- Details
Scharsich, C.; Lohwasser, R.H.; Sommer, M.; Asawapirom, U.; Scherf, U.; Thelakkat, M.; Neher, D.; Köhler, A.: Control of aggregate formation in poly(3-hexylthiophene) by solvent, molecular weight, and synthetic method, Journal of Polymer Science Part B: Polymer Physics, 50(6), 442-453 (2012) -- DOI: 10.1002/polb.23022 -- Details

-- 2011 --
Haberkorn, N.; Kim, S.; Kim, K.S.; Sommer, M.; Thelakkat, M.; Sohn, B.H.; Theato, P.: Template-Assisted Fabrication of Highly Ordered Interpenetrating Polymeric Donor/Acceptor Nanostructures for Photovoltaic Applications, Macromolecular Chemistry and Physics, 212(19), 2142-2150 (2011) -- DOI: 10.1002/macp.201100269 -- Details
Singh, C.R.; Sommer, M.; Himmerlich, M.; Wicklein, A.; Krischok, S.; Thelakkat, M.; Hoppe, H.: Morphology controlled open circuit voltage in polymer solar cells, Physica Status Solidi (RRL), 5(7), 247– 249 (2011) -- DOI: 10.1002/pssr.201105213 -- Details
Hüttner, S.; Sommer, M.; Kohn, P.; Hodgkiss, J.; Thurn-Albrecht, T.; Friend, R.H.; Steiner, U.; Thelakkat, M.: Tunable charge transport using supramolecular self-assembly of nanostructured crystalline block copolymers, ACS Nano, 5(5), 3506–-3515 (2011) -- DOI: 10.1021/nn200647d -- Details

-- 2010 --
Pascui, O. F.; Lohwasser, R.H.; Sommer, M.; Thelakkat, M.; Thurn-Albrecht, T.; Saalwächter, K.: High Crystallinity and Nature of Crystal−Crystal Phase Transformations in Regioregular Poly(3-hexylthiophene), Macromolecules, 43(22), 9401-9410 (2010) -- DOI: 10.1021/ma102205t -- Details
Sommer, M.; Hüttner, S.; Thelakkat, M.: Donor–acceptor block copolymers for photovoltaic applications, Journal of Materials Chemistry, 20, 10788-10797 (2010) -- DOI: 10.1039/C0JM00665C -- Details
Lang, A.S.; Neubig, A.; Sommer, M.; Thelakkat, M.: NMRP versus “Click” Chemistry for the Synthesis of Semiconductor Polymers Carrying Pendant Perylene Bisimides, Macromolecules, 43(17), 7001-7010 (2010) -- DOI: 10.1021/ma100708h -- Details
Wu, Z.; Petzold, A.; Henze, T.; Thurn-Albrecht, T.; Lohwasser, R.H.; Sommer, M.; Thelakkat, M.: Temperature and Molecular Weight Dependent Hierarchical Equilibrium Structures in Semiconducting Poly(3-hexylthiophene), Macromolecules, 43(10), 4646-4653 (2010) -- DOI: 10.1021/ma902566h -- Details
Hüttner, S.; Sommer, M.; Steiner, U.; Thelakkat, M.: Organic Field Effect Transistors from Triarylamine Side-chain Polymers, Applied Physics Letters, 96, 073503 (2010) -- DOI: 10.1063/1.3300464 -- Details
Barea, E.M.; Garcia-Belmonte, G.; Sommer, M.; Hüttner, S.; Bolink, H.J.; Thelakkat, M.: Determination of charge carrier mobility of hole transporting polytriarylamine-based diodes, Thin Solid Films, 518(12), 3351-3354 (2010) -- DOI: 10.1016/j.tsf.2009.10.003 -- Details
Sommer, M.; Hüttner, S.; Thelakkat, M.: Semiconductor block copolymers for photovoltaic applications in Bruno Pignataro (Editor): Ideas in Chemistry and Molecular Sciences:, Advances in Nanotechnology, Materials and Devices, Wiley, 317-338 (2010)
Sommer, M.; Hüttner, S.; Thelakkat, M.: Donor–Acceptor Block Copolymers with Nanoscale Morphology for Photovoltaic applications, Advances in Polymer Science, 228, 123-153 (2010) -- DOI: DOI:10.1007/12_2009_34 -- Details

-- 2009 --
Sommer, M.; Hüttner, S.; Steiner, U.; Thelakkat, M.: Influence of molecular weight on the solar cell performance of double-crystalline donor-acceptor block copolymers, Applied Physics Letters, 95(18), 183308 (2009) -- DOI: 10.1063/1.3257367 -- Details
Lang, A.S.; Kogler, F.R.; Sommer, M.; Wiesner, U.; Thelakkat, M.: Semiconductor Dendritic-Linear Block Copolymers by Nitroxide Mediated Radical Polymerization, Macromolecular Rapid Communications, 30(14), 1243-1248 (2009) -- DOI: 10.1002/marc.200900203 -- Details
Wicklein, A.; Ghosh, S.; Sommer, M.; Würthner, F.; Thelakkat, M.: Self-Assembly of Semiconductor Organogelator Nanowires for Photoinduced Charge Separation, ACS Nano 3(5), 1107-1114 (2009) -- DOI: 10.1021/nn9001165 -- Details
Hüttner, S.; Sommer, M.; Chiche, A.; Krausch, G.; Steiner, U.; Thelakkat, M.: Controlled solvent vapour annealing for polymer electronics, Soft Matter 5, 4206-4211 (2009) -- DOI: 10.1039/B907147D -- Details
King, S.M.; Sommer, M.; Thelakkat, M.; Haque, S.A.: Charge separation and recombination in self-organizing nanostructured donor-acceptor block copolymers films, Journal of Materials Chemistry, 19, 5436-5441 (2009) -- DOI: 10.1039/b905708k

-- 2008 --
Hüttner, S.; Sommer, M.; Thelakkat, M.: n-type organic field effect transistors from perylene bisimide block copolymers and homopolymers, Applied Physics Letters, 92, 093302/1-3 (2008) -- DOI: 10.1063/1.2885712 -- Details
Maria, S.; Susha, A.S.; Sommer, M.; Rogach, A.L.; Thelakkat, M.: Semiconductor Block Copolymer Nanocomposites with Lamellar Morphology via Self- Organization, Macromolecules, 41, 6081-6088 (2008)
Sommer, M.; Hüttner, S.; Wunder, S.; Thelakkat, M.: Novel Electron-Conducting Block-Copolymers: Morphological, Optical and Electronic Properties, Advanced Materials, 20, 2523-2527 (2008)
Sommer, M.; Lang, A.S.; Thelakkat, M.: Crystalline-Crystalline Donor-Acceptor Block Copolymers, Angewandte Chemie Int. Ed. 47, 1-5 (2008)

-- 2007 --
Sommer, M.; Lindner, S.; Thelakkat, M.: Microphase-Separated Donor- Acceptor Diblock Copolymers: Influence of HOMO Energy Levels and Morphology on Polymer Solar Cells, Advanced Functional Materials, 17(9), 1493-1500 (2007) -- DOI: 10.1002/adfm.200600634 -- Details

-- 2006 --
Sommer, M.; Thelakkat, M.: Synthesis, Characterization and Application of Donor-Acceptor Block Copolymers in Nanostructured Bulk Heterojunction Solar Cells, The European Physics Journal - Applied Physics, 36, 245-249 (2006) -- Details
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