The chemicals used, (poly(vinylidenefluoride-trifluoroethylene-chlorofluoroethylene)) (P(VDF-TrFE-CFE)), poly(methyl methacrylate) (PMMA), benzophenone (BP), dichlorobenzene (DCB) and pentafluoro-benzenethiol (PFBT) were purchased from Sigma Aldrich. N,N-dimethylformamide (DMF) and anisole were purchased from Merck. [2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno] [3,2-b]thiophene) (DPPT-TT) was synthesized in house using a reaction scheme described previously [26 (link)]. All solutions were filtered through a 0.45 µm filter just before use.
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