Diethylenetriamine assisted synthesis and characterization of stannite quaternary semiconductor Cu2ZnSnSe4 nanorods by self-assembly

被引：16

作者：

Chen, Lin-Jer ^{[1
]}

Chuang, Yu-Ju ^{[2
]}

机构：

[1] Natl Cheng Kung Univ, Inst Electroopt Sci & Technol, Tainan 701, Taiwan

[2] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 701, Taiwan

来源：

JOURNAL OF CRYSTAL GROWTH | 2013年 / 376卷

关键词：

Crystal structure; Hydrothermal crystal growth; Nanomaterials; Semiconducting quaternary alloys; Solar cells; FILM SOLAR-CELLS; NANOCRYSTAL INKS; CUINSE2; ZN; VI;

D O I：

10.1016/j.jcrysgro.2013.04.026

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Stannites are important contenders among thin-film solar cells due to their direct band gap and higher absorption coefficient. I-2-II-IV-VI4 nanocrystals of Cu2ZnSnSe4 are stannite material with a near-optimum band gap of similar to 1.5 eV. Semiconductor Cu2ZnSnSe4 nanorods were successfully prepared via a relatively simple and convenient solvothermal route. The device parameters for a single junction Cu2ZnSnSe4 solar cell under AM1.5G are as follows: open circuit voltage of 308 mV, short-circuit current of 29.9 mA/cm(2), fill factor of 27%, and a power conversion efficiency of 2.48%. Based on a series of comparative experiments under various reaction conditions, the probable formation mechanism of crystals Cu2ZnSnSe4 nanorods is proposed. (C) 2013 Elsevier B.V. All rights reserved.

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页码：11 / 16

页数：6

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