Co-Electrodeposition of Sn-Doped TiO2 Electron-Transporting Layer for Perovskite Solar Cells

被引：19

作者：

Su, Tzu-Sen ^{[1
]}

Wei, Tzu-Chien ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 300, Taiwan

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2020年 / 217卷 / 01期

关键词：

electrodeposition; electron-transporting layers; metal-doping; perovskite solar cells; titanium dioxide; COMPACT LAYER; EFFICIENT; PERFORMANCE; NB; INJECTION; LESS;

D O I：

10.1002/pssa.201900491

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sn-doped TiO2 films are successfully co-electrodeposited from a single bath containing TiCl3 and SnCl2, providing a new and facile method for the preparation of metal-doped TiO2 thin films. Through systematic examinations on the film morphologies, optical, and electronic properties of the electrodeposited TiO2 films with different Sn-doping amount, it is utilized as the electron-transporting layer (ETL) in a perovskite solar cell (PSC). The photovoltaic performance of PSCs equipped with electrodeposited Sn-doped TiO2 ETL is improved considerably, which is mainly attributed to the increased carrier concentration and improved electron extraction capability due to Sn-doping. Currently, power conversion efficiency of planar-type PSC using 5% (molar ratio) Sn-doped TiO2 ETL achieves 16.8%, corresponding to a 9.8% improvement when comparing with the sample using pure TiO2 (15.3%).

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页数：9

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