Synthesis of Cu2ZnSnS4 Nanoparticles for Applications as Counter Electrodes of CdS Quantum Dot-Sensitized Solar Cells

被引：20

作者：

Gu, Xiuquan ^{[1
]}

Zhang, Shuang ^{[1
]}

Qiang, Yinghuai ^{[1
]}

Zhao, Yulong ^{[1
]}

Zhu, Lei ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Mat Sci & Engn, Xuzhou 221116, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2014年 / 43卷 / 07期

关键词：

QD; CZTS; solar cells; counter electrodes; CdS; LOW-COST; OPTICAL-PROPERTIES; THIN-FILMS; NANOCRYSTALS; PERFORMANCE; INK;

D O I：

10.1007/s11664-014-3200-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Cu2ZnSnS4 (CZTS) nanoparticles have been synthesized through a one-step solvothermal route, which exhibited a nearly single kesterite structure with a fundamental band gap of similar to 1.54 eV. Quantum dots-sensitized solar cells were fabricated based on CZTS counter electrodes and CdS QD-sensitized TiO2 NRs photoelectrodes with various thicknesses of QD sensitization layers. The cells based on a CZTS electrode, compared with other single-layer DSSCs in this study, had the highest conversion efficiency of 0.27% (for CdS layer numbers of 9), which was obviously higher than Pt. The performance improvement was attributed to the better stability, sunlight sensitivity, and the resulting photoelectrocatalytic activity of the CZTS electrodes.

引用

页码：2709 / 2714

页数：6

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