Preparation of octahedral Cu2O nanoparticles by a green route

被引：29
|
作者：
Guo, Dehua [1 ]
Wang, Lixian [1 ]
Du, Yingji [1 ]
Ma, Zhugiang [2 ]
Shen, Long [2 ]
机构：
[1] Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China
[2] Rong Jian Chem Plant, Shanghai 201400, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 160卷
关键词：
Octahedral Cu2O; Nanocrystalline materials; Semiconductors; X-ray techniques; Optical properties; NANOCRYSTALS; DEPOSITION;
D O I：
10.1016/j.matlet.2015.08.055
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fabrication of octahedral Cu2O was described by a green and simple chemical precipitation method in this study. All samples were characterized by X-ray powder diffractometer(XRD), scanning electron microscopy(SEM), Fourier transform infrared spectrometer (FTIR) and ultraviolet-visible spectrophotometer (UV-vis), respectively. The results show that products are composed of octahedral particles with an edge length of 200-300 nm, and narrow band gaps (2.26 eV), which is blue shifted with respect to the bulk Cu2O value (2.17 eV). Well-dispersed Cu2O with effectively absorbing visible light can be obtained through the route which is surfactant-free, cost effective, and suitable for large scale production. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：541 / 543
页数：3
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