Effect of slow-solvent-vapour treatment on performance of polymer photovoltaic devices |
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| Authors: | Feng Zhi-Hui Hou Yan-Bing Shi Quan-Min Liu Xiao-Jun and Teng Feng |
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| Abstract: | In this work, enhanced poly(3-hexylthiophene):6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) bulk-heterojunction photovoltaic devices are achieved via slow-solvent-vapour treatment. The correlations between the morphology of the active layer and the photovoltaic performance of polymer-based solar cell are investigated. The active layers are characterized by atomic force microscopy and optical absorption. The results show that slow-solvent-vapour treatment can induce P3HT self-organization into an ordered structure, leading to the enhanced absorption and efficient charge transport. |
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| Keywords: | polymer solar cell solvent-vapour treatment self-organization |
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