Preparation of tin oxide thin films by liquid phase deposition method and their application to the electron transport layer of perovskite solar cells

被引：0

作者：

Kurokawa, Seiya ^{[1
]}

Nagata, Yoshihiro ^{[1
]}

Tsuji, Yuna ^{[1
]}

Gaitan, Jose A. Hernandez ^{[1
]}

Aoi, Yoshifumi ^{[1
]}

机构：

[1] Ryukoku Univ, Fac Adv Sci & Technol, Dept Mat Chem, 1-5 Yokotani,Seta Oe Cho, Otsu, Shiga 5202194, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2025年 / 64卷 / 03期

关键词：

liquid phase deposition; tin oxide; perovskite solar cells; electron trasport layer; PHOTOCATALYTIC ACTIVITY; EFFICIENT; TEMPERATURE; SYSTEM;

D O I：

10.35848/1347-4065/adbc72

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We prepared a tin oxide (SnO2) thin film using liquid phase deposition and used it as the electron transport layer (ETL) of perovskite solar cells. Moreover, the effect of the heat-treatment temperature of SnO2 on solar cell characteristics was investigated. The conduction band level of SnO2 decreased with increasing heat-treatment temperature. As a result, the energy levels were better matched at the SnO2/perovskite interface with the low heat-treatment temperature of SnO2, which led to a more efficient charge transfer from the perovskite layer to the SnO2 ETL, thus improving its short-circuit current density (JSC). Additionally, it was confirmed that the SnO2 heat-treated at 100 degrees C showed the highest donor concentration, improved JSC, and a maximum power conversion efficiency of 15.94%.

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页数：9

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