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

页码：541 / 543

页数：3

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