Abstract
Donor–acceptor copolymers have recently been recognized as excellent materials for organic photovoltaic applications. Because of complex film formation properties, however, direct correlations between morphology and optical and electrical properties have yet to be established. Within our collaborative project within the German Science Foundation–funded program “Elementary Processes in Photovoltaics,” we focused on the morphology control and molecular doping of poly[2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b′]dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] to control the optoelectronic properties. The main results are highlighted in this chapter.
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Acknowledgments
We thank many coworkers who gave a crucial contribution to the results presented in this chapter. These colleagues are Sybille Allard, Manfred Bayer, Martin Brinkmann, Andras Deak, Felix Deschler, Antonietta De Sio, Daniele Di Nuzzo, Bernhard Ecker, Jochen Feldmann, Florian Fischer, Claudio Fontanesi, Tillmann Godde, Alamgir Karim, Anna Köhler, Rebecca Jones, Dieter Neher, Jurgen Parisi, Uli Scherf, Gisela Schulz, Stefan Schumacher, and Ali V. Tunc. The work was supported by the German Science Foundation (DFG) by the priority program SPP1355, “Fundamental Processes in Organic Photovoltaics” (HA 4447, CO751, LU1445).
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von Hauff, E., da Como, E., Ludwigs, S. (2017). Optoelectronic Properties of PCPDTBT for Photovoltaics: Morphology Control and Molecular Doping. In: Leo, K. (eds) Elementary Processes in Organic Photovoltaics. Advances in Polymer Science, vol 272. Springer, Cham. https://doi.org/10.1007/978-3-319-28338-8_5
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