Synthesis of high-activity F-doped TiO2 photocatalyst via a simple one-step hydrothermal process

被引：27
|
作者：
Ren, Guangjuan [1 ]
Gao, Yuan [1 ]
Liu, Xia [1 ]
Xing, An [1 ]
Liu, Huitao [1 ]
Yin, Jungang [1 ]
机构：
[1] Yantai Univ, Coll Chem & Biol, Yantai 264005, Peoples R China
来源：
REACTION KINETICS MECHANISMS AND CATALYSIS | 2010年 / 100卷 / 02期
关键词：
Photocatalyst; Titanium dioxide; F-doped; Hydrothermal; VISIBLE-LIGHT; TITANIUM-DIOXIDE; LOW-TEMPERATURE; SHAPE; TRANSFORMATION; NANOPARTICLES; NANOTUBES; MECHANISM; FLUORINE; ANATASE;
D O I：
10.1007/s11144-010-0194-y
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：
A simple method for preparing F-doped anatase TiO2 nanoparticles with high visible light photocatalytic activity was developed using TiCl4 and HF as TiO2 and fluorine precursors in HCl solution by a one-step hydrothermal treatment without any organic species. The presence of HF plays an important role in the formation of the F-doped shuttle-like anatase TiO2 nanostructures. XRD analysis showed that the F- could prevent the transformation of anatase to rutile in HCl solution. Compared with ordinary TiO2, the F-doped TiO2 nanoparticles synthesized at 180 A degrees C exhibited better photocatalytic activity for the degradation of rhodamine B under visible light irradiation. Possible formation mechanism of F-doped anatase TiO2 under hydrothermal conditions was discussed.
引用
收藏
页码：487 / 497
页数：11
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