Low-temperature solution synthesis of CuO nanorods with thin diameter

被引：45
|
作者：
Chen, Huiyu [1 ,2 ]
Zhao, Guizhe [1 ,2 ]
Liu, Yaqing [1 ,2 ]
机构：
[1] North Univ China, Res Ctr Engn Technol Polymer Composites Shanxi Pr, Taiyuan 030051, Peoples R China
[2] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Peoples R China
来源：
MATERIALS LETTERS | 2013年 / 93卷
关键词：
CuO nanorods; Nanoparticles; Crystal growth; Semiconductors; COPPER; OXIDATION; NANOWIRES;
D O I：
10.1016/j.matlet.2012.11.055
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CuO nanorods with thin diameter of about 5 nm were prepared at 50 degrees C with the assistance of polyethylene glycol (PEG) as growth directing agent, and these thin rods had a strong tendency to aggregate with parallel orientation. PEG was found to be effective for controlling the size of CuO, and the length of CuO nanorods was decreased by increasing the molecular weight of PEG. CuO nanoparticles with size ranging from 80 to 100 nm were produced if polyethylene oxide (PEO) 400,000 was employed. The CuO samples were characterized by SEM, TEM, and XPS techniques. The band gap of CuO nanorods. is estimated to be 2.30 eV according to the UV-vis absorption spectrum, and such value is larger than that for bulk CuO probably due to the quantum confinement effect. (C) 2012 Elsevier B.V. All rights. reserved.
引用
收藏
页码：60 / 63
页数：4
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