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.
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页数：12
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