SYNTHESIS AND CHARACTERIZATION OF LARGE-SCALE HIERARCHICAL CdS MICROFLOWERS

被引：0
|
作者：
Li, Ming [1 ,2 ]
Liu, Yong [1 ]
Shen, Hui [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Inst Solar Energy Syst, Guangzhou 510275, Guangdong, Peoples R China
[2] Guilin Univ Technol, Sch Chem & Biol Engn, Guilin 541004, Peoples R China
来源：
CHALCOGENIDE LETTERS | 2011年 / 8卷 / 09期
基金：
中国国家自然科学基金;
关键词：
CdS; microflowers; hydrothermal synthesis; electronic materials; microstructure; CADMIUM-SULFIDE; NANOCRYSTALS; NANORODS; ARRAYS; SHAPES; ROUTE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The synthesis of three-dimensional semiconductor superstructures with specific size and shape is a crucial issue due to their size-and shape-dependent properties and significant applications. Using polyvinylpyrrolidone (PVP) as a capping agent, we employed a facile hydrothermal process to synthesize large-scale hierarchical CdS microflowers. X-ray diffraction, X-ray photoelectron spectroscopy and field-emission scanning electron microscopy were used to characterize the as-prepared products. The contrast experiment indicated that PVP played a great role on formation of CdS microflowers. By varying the reaction time, the morphologies of CdS crystals can be easily controlled. The absorption spectra of CdS crystal at the different growth stage were also examined.
引用
收藏
页码：555 / 560
页数：6
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