Combustion synthesis and photocatalytic activities of Bi3+-doped TiO2 nanocrystals

被引：29

作者：

Yu, Jiaoxian ^{[1
]}

Liu, Suwen ^{[1
]}

Xiu, Zhiliang ^{[1
]}

Yu, Weina ^{[1
]}

Feng, Guangjian ^{[1
]}

机构：

[1] Shandong Inst Light Ind, Dept Mat Sci & Engn, Jinan 250353, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 461卷 / 1-2期

关键词：

titanium dioxide; combustion; photocatalytic; Bi ion-doping;

D O I：

10.1016/j.jallcom.2007.07.095

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：

Bismuth ions (Bi3+)-doped TiO2 nanocrystals have been synthesized by citric acid sol-gel combustion method using bismuth nitrate pentahydrate (Bi(NO3)(3)center dot 5H(2)O) and titanium chloride (TiCl4) as raw materials. The obtained products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and UV-vis absorption spectra. The experiments demonstrated that Bi3+ doping in TiO2 enhances the photocatalytic degradation ratio of methyl orange in aqueous suspension and the optimal dopant of Bi3+, in TiO2 is about 3%. (c) 2007 Published by Elsevier B.V.

引用

页码：L17 / L19

页数：3

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