Synthesis and photocatalytic activity of mesoporous TiO2 nanoparticle using biological renewable resource of un-modified lignin as a template

被引：80

作者：

Chen, Xiaoyun ^{[1
,2
]}

Kuo, Dong-Hau ^{[1
]}

Lu, Dongfang ^{[3
]}

Hou, Yongxuan ^{[1
]}

Kuo, Yen-Rong ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Mat Sci & Engn, Taipei 10607, Taiwan

[2] Fujian Agr & Forestry Univ, Coll Mat Engn, Fuzhou 350002, Peoples R China

[3] Fujian Agr & Forestry Univ, Coll Landscape Architecture, Fuzhou 350002, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2016年 / 223卷

基金：

中国国家自然科学基金;

关键词：

Mesoporous TiO2; Lignin; Template; Photocatalysis; Mechanism; LIQUID-WATER MIXTURE; TITANIUM-DIOXIDE; HYDROTHERMAL SYNTHESIS; ORGANIC CONTAMINANTS; BLACK LIQUOR; CELLULOSE; MICROSPHERES; SURFACTANT; FILMS;

D O I：

10.1016/j.micromeso.2015.11.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Mesoporous TiO2 was synthesized by a hydrolysis precipitation method with the utilization of the biological renewable resource of lignin as template and TiCl4 as reactant. The photocatalytic activity of TiO2 was investigated by the degradation of phenol under UV light irradiation. The microstructure, crystallinity, powder characteristic, and chemical bonding of the catalyst were analyzed. The 500 degrees C calcined TiO2 had average crystallite size of about 11.1 nm and a mesoporous structure with specific area of 165.8 m(2)/g and pore volume of 0.312 cm(3)/g. The results showed that TiO2 synthesized with lignin template exhibited high photocatalytic activity, which can be attributed to the electronegativity and the network skeleton of lignin to uniformly distribute the TiO2 precursor for forming TiO2 mesoporous particles. The mechanism for the improved photodegradation of the lignin-assisted TiO2 was proposed. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：145 / 151

页数：7

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