Synthesis and optical properties of CuO nanostructures obtained via a novel thermal decomposition method

被引：107

作者：

Al-Gaashani, R. ^{[1
,2
]}

Radiman, S. ^{[1
]}

Tabet, N. ^{[3
,4
]}

Daud, A. Razak ^{[1
]}

机构：

[1] Univ Kebangsaan Malaysia, Sch Appl Phys, Fac Sci & Technol, Bangi 43600, Selangor, Malaysia

[2] Thamar Univ, Dept Phys, Fac Sci Appl, Dhamar, Yemen

[3] King Fahd Univ Petr & Minerals, Dept Phys, Dhahran 31261, Saudi Arabia

[4] King Fahd Univ Petr & Minerals, Ctr Res Excellence Nanotechnol, Dhahran 31261, Saudi Arabia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 35期

关键词：

CuO; Nanostructures; Thermal decomposition; Optical properties; ONE-STEP; CU2O; EXCITONS; NANOPARTICLES; LUMINESCENCE; NANORODS; FILMS;

D O I：

10.1016/j.jallcom.2011.06.056

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report a novel method that allows the synthesis of copper oxide (CuO) nanostructures and control their morphology and size by rapid thermal decomposition of copper nitrate (CuN2O6) under ambient conditions. The size and morphology of the nanostructures can be controlled by changing the temperature and the duration of the decomposition process. The structure of the products was investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) equipped with energy dispersive spectroscopy (EDS). The results showed that the morphology of the nanostructures changed as the temperature was varied and their size increased with increasing the treatment time. The optical properties of the samples were investigated by UV-vis spectroscopy and a photoluminescence (PL) spectrometer. Rice-like nanostructures were observed and analyzed by X-ray photoelectron spectroscopy (XPS)/EDS and XRD which confirmed that the as-synthesized powders correspond to pure CuO. (c) 2011 Elsevier B.V. All rights reserved.

引用

页码：8761 / 8769

页数：9

共 46 条

[1] Effect of microwave power on the morphology and optical property of zinc oxide nano-structures prepared via a microwave-assisted aqueous solution method [J].