Synthesis of Single Crystal 2D Cu2FeSnS4 Nanosheets with High-Energy Facets (111) as a Pt-Free Counter Electrode for Dye-Sensitized Solar Cells

被引：2

作者：

Wen, Jianming ^{[1
]}

Chen, Suqin ^{[1
]}

Xu, You ^{[1
]}

Guan, Tuxiang ^{[1
]}

Zhang, Xiaoyan ^{[1
]}

Bao, Ningzhong ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China

来源：

MATERIALS | 2023年 / 16卷 / 13期

基金：

中国国家自然科学基金;

关键词：

Cu2FeSnS4; nanosheets; high-energy facets; counter electrode; dye-sensitized solar cells; SOLVOTHERMAL SYNTHESIS; THIN-FILM; NANOCRYSTALS; PERFORMANCE; ELECTROCATALYST; MORPHOLOGY; MN; FE; CO;

D O I：

10.3390/ma16134743

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two-dimensional Cu2FeSnS4 (CFTS) nanosheets with exposed high-energy facets (111) have been synthesized by a facile, scalable, and cost-effective one-pot heating process. The CFTS phase formation is confirmed by both X-ray diffraction and Raman spectroscopy. The formation mechanism of exposed high-energy facet CFTS growth is proposed and its electrochemical and photoelectrochemical properties are investigated in detail to reveal the origin of the anisotropic effect of the high-energy facets. Dye-sensitized solar cells (DSSC) achieve a favorable power conversion efficiency of 5.92% when employing CFTS thin film as a counter electrode, suggesting its potential as a cost-effective substitute for Pt in DSSCs.

引用

页数：12

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