| MoO3/Ag/Al/ZnO intermediate layer for inverted tandem polymer solar cells |
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| 作者姓名： | 卿健 钟镇锋 刘勇 李宝军 周翔 |
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| 基金项目： | Project supported by the National Basic Research Program of China(Grant No.2012CB933704);the Doctoral Foundation of the Ministry of Education of China(Grant No.20100171110025);the State Key Laboratory of Optoelectronic Materials and Technologies,Sun Yat-Sen University,China(GrantNo.2010-RC-3-1) |
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| 摘 要： |
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MoO_3/Ag/Al/ZnO intermediate layer for inverted tandem polymer solar cells |
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| Abstract: | We report an MoO3/Ag/Al/ZnO intermediate layer connecting two identical bulk heterojunction subcells with a poly(3-hexylthiophene) and 6,6]-phenyl-C61-butyric acid methyl ester(P3HT and PCBM) active layer for inverted tandem polymer solar cells. The highly transparent intermediate layer with an optimized thickness realizes an Ohmic contact between the two subcells for effective charge extraction and recombination. A maximum power conversion efficiency of 3.76% is obtained for the tandem cell under 100 mW/cm2 illumination, which is larger than that of a single cell(3.15%).The open-circuit voltage of the tandem cell(1.18 V) approaches double that of the single cell(0.61 V). |
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| Keywords: | polymer solar cell inverted structure tandem solar cell intermediate layer |
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