Ionic liquid assisted synthesis and photocatalytic properties of α-Fe2O3 hollow microspheres

被引：64
|
作者：
Xu, Li [1 ,2 ]
Xia, Jiexiang [2 ]
Wang, Kun [2 ]
Wang, Leigang [1 ]
Li, Huaming [2 ]
Xu, Hui [3 ]
Huang, Liying [2 ]
He, Minqiang [2 ]
机构：
[1] Jiangsu Univ, Sch Mat Sci & Engn, Hangzhou 212013, Zhejiang, Peoples R China
[2] Jiangsu Univ, Sch Chem & Chem Engn, Hangzhou 212013, Zhejiang, Peoples R China
[3] Jiangsu Univ, Sch Environm, Hangzhou 212013, Zhejiang, Peoples R China
来源：
DALTON TRANSACTIONS | 2013年 / 42卷 / 18期
基金：
中国博士后科学基金;
关键词：
LITHIUM STORAGE PROPERTIES; VISIBLE-LIGHT IRRADIATION; HYDROTHERMAL SYNTHESIS; MAGNETIC-PROPERTIES; CATALYTIC-ACTIVITY; SPHERES SYNTHESIS; GROWTH-MECHANISM; HEMATITE; NANOSTRUCTURES; DEGRADATION;
D O I：
10.1039/c3dt50137j
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
alpha-Fe2O3 hollow microspheres have been successfully prepared in the presence of metal ion-containing reactable ionic liquid 1-octyl-3-methylimidazolium tetrachlorideferrate(III) ([Omim] FeCl4) under the solvo-thermal condition. The as-prepared samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), FT-IR spectrum, and diffuse reflectance spectroscopy (DRS). The effect of concentration of ionic liquids on the morphology of alpha-Fe2O3 had been investigated in detail. It was found that [Omim] FeCl4 acted not only as Fe source but also as solvent and template for the fabrication of alpha-Fe2O3 hollow microspheres. In addition, the electrochemical and photocatalytic properties of alpha-Fe2O3 were investigated. The alpha-Fe2O3 hollow microspheres exhibited high conductivity, high photocurrent, and high photocatalytic activity. The designed hollow microsphere showed potential applications in photocatalysis.
引用
收藏
页码：6468 / 6477
页数：10
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