Facile Postsynthesis of N-Doped TiO2-SBA-15 and Its Photocatalytic Activity

被引：4
|
作者：
Thu Phuong Tran Thi [1 ]
Duc Trieu Nguyen [1 ]
Tuan Quang Duong [2 ]
Huy Hoang Luc [3 ]
Vien Vo [1 ]
机构：
[1] Quy Nhon Univ, Dept Chem, Quy Nhon 8456, Vietnam
[2] Hue Univ Educ, Dept Chem, Hue 8454, Vietnam
[3] Hanoi Natl Univ Educ, Dept Phys, Hanoi 844, Vietnam
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2013年 / 2013卷
关键词：
VISIBLE-LIGHT PHOTOCATALYSIS; TITANIUM-DIOXIDE; TIO2; PHOTOCATALYSTS; PHOTOELECTROCHEMICAL PROPERTIES; ION-IMPLANTATION; DEGRADATION; SILICA; SPECTROSCOPY; TEMPERATURE; HYDROGEN;
D O I：
10.1155/2013/638372
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
N-doped TiO2-SBA-15 (denoted as N-TiO2-SBA-15) material has been successfully synthesized by a two-step procedure. Firstly, TiO2-SBA-15 was prepared by impregnating tetraisopropyl orthotitanate on SBA-15 and followed by calcination at 550 degrees C. In the second step, TiO2-SBA-15 was modified by doping nitrogen with the assistance of urea. The resulting material, N-TiO2-SBA-15, was characterized by XRD, TEM, SEM, N-2 adsorption/desorption at 77 K, DR UV-Vis, and XPS. The results showed that N-TiO2-SBA-15 material maintains its ordered hexagonal mesostructure and exhibits the absorption of visible region. The photocatalytic activity of N-TiO2-SBA-15 sample was evaluated by the photodegradation of methylene blue under visible light.
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页数：8
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