Synthesis of single phase chalcopyrite CuIn1-xGaxSe2 (0 ≤ x ≤ 1) nanoparticles by one-pot method

被引：8

作者：

Han, Zhaoxia ^{[1
,2
,3
]}

Zhang, Dawei ^{[1
,2
]}

Chen, Qinmiao ^{[1
,2
]}

Hong, Ruijin ^{[1
,2
]}

Tao, Chunxian ^{[1
,2
]}

Huang, Yuanshen ^{[1
,2
]}

Ni, Zhengji ^{[1
,2
]}

Zhuang, Songlin ^{[1
,2
]}

机构：

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

[2] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China

[3] Henan Univ Sci & Technol, Sch Phys & Engn, Luoyang 471003, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2014年 / 51卷

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Chalcogenides; Nanostructures; Chemical synthesis; Optical properties; THIN-FILMS; CUINGASE2; NANOPARTICLES; CUINSE2; RAMAN; CUGASE2; NANOCRYSTAL; INKS;

D O I：

10.1016/j.materresbull.2013.12.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single phase chalcopyrite and near stoichiometric CuIn1-xGaxSe2 (0 <= x <= 1) nanoparticles were successfully synthesized by using a facile and rapid one-pot method. The effects of various Ga contents on crystal phase, morphology, element composition and absorption spectrum of the as-synthesized CuIn1-xGaxSe2 nanoparticles were investigated in detail. The XRD and Raman patterns indicated that the as-synthesized nanoparticles had a single phase chalcopyrite structure, and the diffraction peaks shifted toward larger diffraction angles or higher frequencies with increasing Ga content. The FE-SEM images showed that the as-synthesized nanoparticles were polydispersed in both size and shape, and the nanoparticles with higher Ga content were more prone to aggregate. The Vis-IR absorption spectra showed strong absorption in the entire visible light region. The estimated band gap increased from 1.00 eV to 1.68 eV as Ga content increasing. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：302 / 308

页数：7

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