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Title: | Influence of the processing solvent on the photoactive layer nanomorphology of P3HT/PC60BM solar cells | Authors: | MENS, Raoul Demir, Fatma Van Assche, Guy Van Mele, Bruno VANDERZANDE, Dirk ADRIAENSENS, Peter |
Issue Date: | 2012 | Publisher: | WILEY-BLACKWELL | Source: | JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 50 (5), p. 1037-1041 | Abstract: | In this article, it is demonstrated that doctor blading of thin poly-3-hexylthiophene/phenyl-C61-butyric acid methyl ester (1/1) bulk-hetero junction films from toluene leads to an improved nanocrystallinity, when compared with their unannealed chlorobenzene processed counterparts. This difference in morphology was demonstrated by solid-state NMR and Rapid Heating Cooling Calorimetry (RHC), being useful complementary techniques to investigate the active layer morphology of photovoltaic devices. An increased PC60BM nanocrystallinity is indicated by several NMR relaxation decay times (T1C, T1H, and T1?H) and confirmed by an increase of the melting enthalpy in RHC experiments. An improved solar cell performance further strengthens this conclusion. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012 | Notes: | [Mens, Raoul; Vanderzande, Dirk; Adriaensens, Peter] Hasselt Univ, Inst Mat Res IMO, Div Chem, B-3590 Diepenbeek, Belgium. [Demir, Fatma; Van Assche, Guy; Van Mele, Bruno] Vrije Univ Brussel, Fac Engn Sci, Dept Phys Chem & Polymer Sci, B-1050 Brussels, Belgium. peter.adriaensens@uhasselt.be | Keywords: | blends; calorimetry; conducting polymers; conjugated polymers; crystallization; fullerenes; molecular dynamics; NMR; phase behavior; thin films;Polymer Science; blends; calorimetry; conducting polymers; conjugated polymers; crystallization; fullerenes; molecular dynamics; NMR; phase behavior; thin films | Document URI: | http://hdl.handle.net/1942/13202 | ISSN: | 0887-624X | e-ISSN: | 1099-0518 | DOI: | 10.1002/pola.25865 | ISI #: | 000299558100022 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2013 |
Appears in Collections: | Research publications |
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