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.

引用

页数：8

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