Hydrolysis precipitation synthesis of monodisperse α-Fe2O3 nanorods/graphene oxide nanocomposites

被引：1
|
作者：
Song, Hao-Jie [1 ]
Zhang, Xue-Qiang [1 ]
Jia, Xiao-Hua [2 ]
Min, Chun-Ying [1 ]
机构：
[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 116卷 / 01期
基金：
中国国家自然科学基金;
关键词：
WALLED CARBON NANOTUBES; GRAPHENE; WATER; NANOPARTICLES; ELECTRODES; NANORODS; SUPPORT;
D O I：
10.1007/s00339-014-8452-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A nanocomposite of graphene oxide supported by monodisperse rod-like alpha-Fe2O3 nanocrystals (GO/alpha-Fe2O3 nanocomposites) has been fabricated through a simple hydrolysis precipitation route in a water-ethanol system. The nanocomposites were characterized by X-ray diffraction, Raman spectra and transmission electron microscopy, respectively. The GO/alpha-Fe2O3 nanocomposites are GO nanosheets decorated randomly by alpha-Fe2O3 nanorods with diameters in the range of 3-5 nm and lengths of 20-30 nm, while only hollow alpha-Fe2O3 microspheres constructed by the radically oriented single-crystalline nanorods are observed in the absence of GO. Compared with pure alpha-Fe2O3 nanoparticles, alpha-Fe2O3/GO nanocomposites exhibited excellent photocatalytic activity as evident from the degradation of rhodamine B in water under UV irradiation. The superior photocatalytic activity performance of alpha-Fe2O3/GO nanocomposites could be attributed to the synergetic effect between the conducting GO nanosheets and monodisperse alpha-Fe2O3 nanorods.
引用
收藏
页码：33 / 38
页数：6
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