A simple route to synthesize highly crystalline N-doped TiO2 particles under low temperature

被引：40

作者：

Xu, Jingjing ^{[1
,2
,3
,4
]}

Ao, Yanhui ^{[1
,2
,3
,4
]}

Fu, Degang ^{[1
,2
,3
,4
]}

Yuan, Chunwei ^{[1
,2
]}

机构：

[1] Southeast Univ, State Key Lab Bioelect, Nanjing 210096, Peoples R China

[2] Southeast Univ, Sch Chem & Chem Engn, Nanjing 210096, Peoples R China

[3] Southeast Univ, Res Inst, Key Lab Environm & Biosafety Suzhou, Suzhou 215123, Peoples R China

[4] Jiangsu Lab Biomat & Devices, Nanjing 210096, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2008年 / 310卷 / 19期

基金：

中国国家自然科学基金;

关键词：

Crystal morphology; Crystal structure; Growth from solution; Nanomaterials; Oxides; Semiconductor materials;

D O I：

10.1016/j.jcrysgro.2008.07.045

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A simple route was developed for the synthesis of highly crystalline N-doped TiO2 nanoparticles under low temperature (i.e. <= 348 K) and ambient pressure, through hydrolysis of titanium-n-butoxide in acidic ethylamine solution. The as-prepared particles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) measurement, X-ray photoelectron spectroscopy (XPS), diffuse reflectance spectra (DRS), and TG-DSC analysis. The results indicated that N atoms had got incorporated into TiO2 lattices as evidenced by the formation of O-Ti-N bonds. This process occurred under mild condition, i.e. without further calcinations. The N-doped TiO2 particles exhibited large BET surface area. Photocatalytic activity was evaluated by degradation of dye X-3B under artificial sunlight irradiation, and N-doped TiO2. samples showed much higher activity than that of pure TiO2 and P25. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：4319 / 4324

页数：6

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