A Simple and Rapid Method to Directly Synthesize TiO2/SBA-16 with Different TiO2 Loading and its Photocatalytic Degradation Performance on Rhodamine B

被引：19
|
作者：
Ma, Jing [1 ]
Qiang, Liangsheng [1 ]
Tang, Xiangbo [1 ]
Li, Hanyang [1 ]
机构：
[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
来源：
CATALYSIS LETTERS | 2010年 / 138卷 / 1-2期
关键词：
TiO2/SBA-16; TiO2; particles; Internal hydrolysis; Location; Photodegradation; MESOPOROUS SILICA; SBA-15; TITANIA; NANOPARTICLES; PARTICLES; NANOCRYSTALS; TEMPERATURE; ADSORPTION; ANATASE; MATRIX;
D O I：
10.1007/s10562-010-0374-4
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：
SBA-16-supported TiO2 photocatalysts was synthesized by internal hydrolysis method. The synthesized samples were characterized in detail by X-ray diffraction (XRD), Raman spectra, N-2 adsorption-desorption, transmission electron microscopy (TEM), UV-Visible absorption spectra and X-ray photoelectron spectroscopy (XPS). The results indicated that SBA-16 retained the 3D caged-like mesostructure while TiO2 located almost inside the mesoporous channels in form of small crystals with anatase structure. The photodecomposition of Rhodamine B (RhB) in aqueous medium was selected to evaluate the photocatalysis performance of TiO2/SBA-16. The influences of different TiO2 loading were studied. The results indicated that TiO2/SBA-16 synthesized by IH method showed much higher photodegradation ability towards RhB than pure TiO2 and TiO2/SBA-15.
引用
收藏
页码：88 / 95
页数：8
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