Cu2ZnSnS4 alloys synthesized from Cu2SnS3@ZnS nanoparticles via a facile hydrothermal approach

被引：17

作者：

Li, Wen ^{[1
,3
]}

Han, Xiuxun ^{[1
]}

Zhao, Yun ^{[1
]}

Liu, Liang ^{[2
,3
]}

Wang, Jinqing ^{[2
]}

Yang, Shengrong ^{[2
]}

Tanaka, Tooru ^{[4
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

[4] Saga Univ, Dept Elect & Elect Engn, Saga 8408502, Japan

来源：

MATERIALS LETTERS | 2014年 / 125卷

基金：

日本学术振兴会;

关键词：

Cu2SnS3@ZnS; Cu2ZnSnS4; Core-shell structure; Semiconductors; Solar energy materials; SOLAR-CELLS; NANORODS; BINARY;

D O I：

10.1016/j.matlet.2014.03.159

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A facile and low-cost approach was developed to prepare high quality quaternary Cu2ZnSnS4(CZTS) alloys through the thermal treating of the core-shell Cu2SnS3@ZnS nanoparticles. The synthesis process of the core-shell structure involves a simple two-step hydrothermal route that starts from the well-dispersed ternary Cu2SnS3 core with the introduction of poly(vinylpyrrolidone) (PVP) in the reaction solution, and ended by the coated binary ZnS shell upon the adsorption of citrate groups onto the preformed cores. X-ray diffraction, Raman spectrum and UV-vis absorption spectrum confirmed the single-phase formation and the proper bandgap of 1.51 eV for the CZTS alloys. This effective hydrothermal method can be readily applied for industrial production. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：167 / 170

页数：4

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