Photocatalytic degradation of textile dye X-3B using TiW11Ti/SiO2 hybrid materials

被引：12

作者：

Ai, Limei ^{[1
]}

Zhang, Danfeng ^{[1
]}

Wang, Qiang ^{[1
]}

Yan, Jingsen ^{[1
]}

Wu, Qingyin ^{[1
,2
]}

机构：

[1] Liaoning Inst Sci & Technol, Sch Biomed & Chem Engn, Benxi 117004, Liaoning, Peoples R China

[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Zhejiang, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2019年 / 126卷

关键词：

Composite materials; Heteropoly acid; Polyoxometalate; Sol-gel method; Photocatalytic degradation; HETEROPOLY ACID; POLYOXOMETALATE; PERFORMANCE; COMPOSITE; CONDUCTIVITY; CATALYST; SILICA; SALT; GEL;

D O I：

10.1016/j.catcom.2019.04.007

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：

Various photocatalysts composed of undecatungstotitanotitanic heteropoly acid (H-4[Ti(H2O)TiW11O39]center dot 7H(2)O) loaded on silica (TiW11Ti/SiO2) were prepared by sol-gel method. The TiW11Ti/SiO2 hybrid materials were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and Diffuse reflectance spectra (DRS). The photocatalytic performance was investigated by photocatalytic degradation of brilliant dye X-3B under ultraviolet light irradiation. The TiW11Ti/SiO2 hybrid showed higher photocatalytic activity than pure TiW11Ti and TiW11Ti + SiO2 (TiW11Ti mixed simply with SiO2). Among three different loading weights of TiW11Ti for the hybrids, the degradation efficiencies of dye X-3B displayed the following order: 45 wt% > 30 wt% > 60 wt%.

引用

页码：10 / 14

页数：5

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