Improving photovoltaic performance of dye-sensitized solar cells by doping SnO2 compact layer with potassium

被引：5

作者：

Xing, Dongliang ^{[1
]}

Pan, Wenjing ^{[1
]}

Xie, Zhongqi ^{[1
]}

Jiang, Qing-Song ^{[1
]}

Wu, Yue ^{[1
]}

Xun, Wei ^{[1
]}

Lin, Yi ^{[2
]}

Yang, Xiao ^{[1
]}

Zhang, Yulin ^{[1
]}

Lin, Bencai ^{[3
]}

机构：

[1] Huaiyin Inst Technol, Fac Elect Informat Engn, Jiangsu Engn Lab Lake Environm Remote Sensing Tec, Huaian 223003, Peoples R China

[2] Huaiyin Inst Technol, Fac Math & Phys, Huaian 223003, Peoples R China

[3] Changzhou Univ, Jiangsu Prov Cultivat Base State Key Lab Photovol, Sch Mat Sci & Engn, Changzhou 213164, Jiangsu, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 327卷

基金：

中国国家自然科学基金;

关键词：

Solar cells; K-dopedSnO(2); Solar energy materials; Sol-gel preparation; EFFICIENCY; TIO2;

D O I：

10.1016/j.matlet.2022.133079

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

SnO2 film doped with potassium has been fabricated by spin-coating technique on fluorine-doped tin oxide (FTO) glass. The electrical properties of the SnO2 film are improved by introducing potassium, which is in favor of electrons transfer from TiO2 film to FTO glass. Meanwhile, the K-doped SnO2 compact layer is beneficial in suppressing the recombination effect between the FTO glass and the electrolyte. As a result, the short-circuit current density of dye-sensitized solar cells (DSSCs) is enhanced from 15.20 mA cm(-2) to 17.48 mA cm(-2). Then, the highest power conversion efficiency is 7.84 % for the optimized DSSC based on the K-doped SnO2/TiO2 film, which is larger than those of the DSSCs based on TiO2 film (7.02 %) and non-doped SnO2/TiO2 film (7.18 %).

引用

页数：3

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