Photovoltaic Properties of a Conjugated Copolymer Blending with Flame-Made ZnO Nanoparticles

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The synthesis, characterizations, and photovoltaic studies of copolymer based on 4,4-dodecylpentaleno[1,2-b]dithiophene (PC12PDT) and 5-octyl-5H-thieno[3,4-c]pyrrole-4,6-dione (TPD) were described. The PC12PDTTPD copolymer achieved a high open circuit voltage (Voc) of ~ 0.8-0.9 V. Bulk-heterojunction (BHJ) solar cells were fabricated by using chlorobenzene with 1% chloronapthalene as the solvent additive. The ZnO nanoparticles, produced by flame spray pyrolysis (FSP), were dispersed in 1-butanol. After that, it was loaded into the devices along with [6,6]-phenyl-C61-butyric acid methyl ester (PC61BM) used as the electron acceptor. From the results, it was found that the ZnO nanoparticles with different amount had the effect on the power conversion efficiency (PCE) of the solar cells. The PCE obtained in this study (3.33%) was found in the 5.45 wt% ZnO loaded device. This was an improvement as compared to that of the standard device (2.45%).

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350-353

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June 2017

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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