Improved Device Performance of Polymer-CuInS2/TiO2 Solar Cells Based on Treated CuInS2 Quantum Dots
作者： Wenjin Yue , Zhongwen Xie , Yuwen Pan , Guoqiang Zhang , Songming Wang
DOI: 10.1007/S11664-015-3903-5
关键词: Photochemistry 、 Ternary operation 、 Materials science 、 Fluorescence 、 Quantum dot 、 Organic chemistry 、 Treatment method 、 Solid-state physics 、 Polymer 、 Amine ligands 、 Hexanoic acid
摘要: This paper describes a solvothermal approach to remove the organic amine ligand on surface of CuInS2 quantum dots (QDs) and demonstrates improved device performance ternary polymer-CuInS2/TiO2 solar cells. Surface treatment QDs was carried out using different methods, agents, reaction times. Results showed that most ligands could be removed hexanoic acid as agent by method in 16 h; treated displayed an aggregation tendency quenched fluorescence poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene vinylene) (MEH-PPV) more effectively. As result, MEH-PPV-CuInS2/TiO2 cells based much higher than those containing pristine QDs, achieving efficiency 2.02% under AM1.5 illumination.
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