Study on the dispersion of nanometer TiO2 powder by Sol-Gel method

被引：0
|
作者：
Zhao, Fang [1 ]
Zhao, Yaqiong [1 ]
Li, Yuanyuan [1 ]
Ni, Gang [1 ]
机构：
[1] Ningxia Univ, Coll Chem & Chem Engn, Yinchuan 750021, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL ENGINEERING | 2012年 / 599卷
关键词：
Nanonneter TiO2; Surfactants; Sol-gel processes; Degradation pollutiontant; PHOTOCATALYSIS; PRECURSORS; TITANIA; FILMS;
D O I：
10.4028/www.scientific.net/AMR.599.104
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study investigated the effect of cationic, anionic, and nonionic surfactants on the formation, morphology, and surface properties of TiO2 nanoparticles synthesized by modified sol-gel method. The crystalline structures and morphologies of the powder have been characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The XRD results showed TiO2 nanoparticles synthesized with different surfactants only include anatase phase. The TEM analysis revealed the surfactants can enhance dispersion of TiO2 nanoparticles. In contrast, the anionic surfactants showed hightly effects. The photocatalytic activity of samples was tested for degradation of methyl orange (MO) solutions. The results showed photocatalytic activity of the catalyst with surfactants was higher than pure TiO2 under ultraviolet.
引用
收藏
页码：104 / 107
页数：4
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