Synthesis and characterization of Cu2ZnSnSe4 nanocrystals prepared by one pot route

被引：3

作者：

Wang, Tingting ^{[1
]}

Chen, Qinmiao ^{[2
]}

Chen, Jin ^{[1
]}

Zhou, Fangfang ^{[1
]}

Jia, Zhen ^{[1
]}

Dou, Xiaoming ^{[2
,3
]}

Zhuang, Songlin ^{[1
]}

机构：

[1] Shanghai Univ Sci & Technol, Shanghai Key Lab Modern Opt Syst, Engn Res Ctr Opt Instrument & Syst, Minist Educ, Shanghai 200093, Peoples R China

[2] E China Univ Sci & Technol, Dept Phys, Coll Sci, Shanghai 200237, Peoples R China

[3] Waseda Univ, Consolidated Res Inst Adv Sci & Med Care, Shinjuku Ku, Tokyo 1620041, Japan

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2014年 / 49卷 / 10期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Cu2ZnSnSe4; nanocrystals; one-pot route;

D O I：

10.1002/crat.201400167

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Quaternary compound Cu2ZnSnSe4 (CZTSe) is one of the most promising absorber layer materials for thin film solar cells. In present work, the CZTSe nanocrystals were successfully synthesized via one pot route, and the influences of reaction temperature on the structural, compositional, morphological and optical properties of as-synthesized CZTSe nanocrystals were investigated in detail via X-ray powder diffraction (XRD), energy dispersive X-ray spectrometry (EDS), transmission electron microscopy (TEM) and UV-Vis spectrophotometry, respectively. The characterization results of as-synthesized nanocrystals, under optimal synthesis condition (250 degrees C, 1 h), indicated that the nanocrystals was monodispersed with polycrystalline, the size was in the range of 10-15 nm, and the band gap energy was around 1.44 eV which is very closed to the best band gap energy for the solar cell. All results suggested that the as-synthesized CZTSe nanocrystals were good light absorber layer material for thin film solar cell.

引用

页码：808 / 812

页数：5

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