Synthesis of Shape-Controlled Monodisperse Wurtzite CulnxGa1-xS2 Semiconductor Nanocrystals with Tunable Band Gap

被引：177
|
作者：
Wang, Yu-Hsiang A. [1 ]
Zhang, Xiaoyan [1 ,2 ]
Bao, Ningzhong [1 ,3 ]
Lin, Baoping [2 ]
Gupta, Arunava [1 ]
机构：
[1] Univ Alabama, Ctr Mat Informat Technol, Tuscaloosa, AL 35487 USA
[2] Southeast Univ, Sch Chem & Chem Engn, Nanjing, Peoples R China
[3] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 29期
基金：
美国国家科学基金会;
关键词：
ONE-POT SYNTHESIS; SOLAR-CELLS; OPTICAL-PROPERTIES; CDSE NANOCRYSTALS; CUINS2; NANORODS; GROWTH; FILMS; NANOPARTICLES; PERFORMANCE;
D O I：
10.1021/ja203933e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Monodisperse wurtzite CuInxGa1-xS2 nanocrystals have been synthesized over the entire composition range using a facile solution-based method. Depending on the chemical composition and synthesis conditions, the morphology of the nanocrystals can be controlled in the form of bullet-like, rod-like, and tadpole-like shapes. The band gap of the nanocrystals increases linearly with increasing Ga concentration, with band gap values for the end members being close to those observed in the bulk. Colloidal suspensions of the nanocrystals are attractive for use as inks for low-cost fabrication of thin film solar cells by spin or spray coating.
引用
收藏
页码：11072 / 11075
页数：4
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