Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 159, Issue -, Pages 143-150Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2016.09.007
Keywords
Perovskite; Compact layer; Solar cell
Funding
- National Natural Science Foundation of China [51572098, 51272080]
- National Basic Research Program of China [2013CB632500]
- Natural Science Foundation of Hubei Province [2015CFB432]
- Open Fund of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology Grant [2016-KF-5]
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In this study, ZnO/Zn2SnO4 (ZSO) composite is synthesized as a promising alternative compact layer to TiO2 by spray pyrolysis method. Owing to the ZnO/ZSO composite possesses higher carrier mobility and suitable band gap structure, it will behave well in the application of solar cells. The characterization results show that the ZnO/ZSO composite compact layer manifests better optical transmittance, enhanced electrons collective efficiency and superior electrical conductivity. Consequently, the corresponding photo-current is improved effectively when compared with that of TiO2 compact layer. The optimum efficiency of perovskite solar cell based on the ZnO/ZSO composite compact layer reaches 12.03% at AM 1.5 solar light of 100 mW cm(-2), which is 18% higher than that of perovskite solar cell based on the TiO2 compact layer. (C) 2016 Published by Elsevier B.V.
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