Synthesis and characterization of TiO2-montmorillonite nanocomposites and their photocatalytic activity

被引：22

作者：

Zhang, Aiqin ^{[1
,3
]}

Zhang, Rongbin ^{[1
]}

Zhang, Ning ^{[1
]}

Hong, Sanguo ^{[1
]}

Zhang, Ming ^{[2
]}

机构：

[1] Nanchang Univ, Dept Chem, Nanchang, Peoples R China

[2] Jiangxi Normal Univ, Coll Chem, Nanchang, Jiangxi, Peoples R China

[3] Nanchang Hangkong Univ, Coll Environm & Chem Engn, Nanchang, Jiangxi, Peoples R China

来源：

KINETICS AND CATALYSIS | 2010年 / 51卷 / 04期

基金：

中国国家自然科学基金;

关键词：

INTERCALATION COMPOUND; PILLARED CLAYS; MONTMORILLONITE; CATALYSTS; PHOTOCONTROL; DEGRADATION;

D O I：

10.1134/S0023158410040117

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：

TiO2 nanoparticles have been synthesized on the surface of exfoliated montmorillonite at a low temperature in benzyl alcohol medium. According to X-ray diffraction (XRD), N-2 adsorption-desorption isotherm and transmisson electron microscopy (TEM), it was found that the intercalation of TiO2 nanoparticles destroyed the ordered structure of montmorillonite to some extent, and the crystallites of the nanocomposites are assembled to form a house-of-cards structure. The size of the nanoparticles in the interlamellar space is about 4 nm. The nanocomposites exhibited excellent photocatalytic activity in methylene blue degradation due to the synergetic effect of the adsorptive ability to organic compound of cetyl trimethylammonium bromide-montmorillonite and the catalytic ability of TiO2 nanoparticles in it.

引用

页码：529 / 533

页数：5

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