Preparation of zinc tetraaminophthalocyanine sensitized TiO2 hollow nanospheres and their enhanced photocatalytic properties under visible light

被引：8

作者：

Jiang, Yinhua ^{[1
]}

Guo, Leiqun ^{[1
]}

Zhang, Wenli ^{[1
]}

Dai, Fei ^{[1
]}

Yan, Yun ^{[1
]}

Zhang, Fumei ^{[1
]}

Lv, Hongyan ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China

来源：

DESALINATION AND WATER TREATMENT | 2014年 / 52卷 / 19-21期

基金：

中国博士后科学基金;

关键词：

TiO2 hollow nanospheres; Zinc tetraaminophthalocyanine; Sensitization; Visible-light; Photocatalytic activity; Degradation; AQUEOUS SUSPENSION; DEGRADATION; PHOTOOXIDATION; 4-NITROPHENOL; PHTHALOCYANINES;

D O I：

10.1080/19443994.2013.803330

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A series of zinc tetraaminophthalocyanine (ZnPcN) sensitized TiO2 hollow nanospheres (ZnPcN/TiO2) with different loading dosages of ZnPcN were successfully synthesized by a simple immersion method under ultrasonic agitation. The as-prepared ZnPcN/TiO2 samples were characterized by X-ray diffraction, transmission electron microscopy, field-emission scanning electron microscopy, X-ray energy-dispersive spectrometry, Fourier transform infrared, and ultraviolet-vis diffuse reflectance spectrum. The results show that ZnPcN/TiO2 nanospheres composed of anatase crystalline phase with hollow structures have obvious absorption in the visible-light region. The photocatalytic activities of ZnPcN/TiO2 nanospheres were evaluated by degradation of C. I. Basic Blue 41 aqueous solutions with air as an oxidant under visible-light irradiation. The degradation results reveal that the photocatalytic activity of ZnPcN/TiO2 hollow nanospheres enhances a lot. The apparent rate constant of ZnPcN/TiO2 nanospheres with the mass ratio of 0.15% between ZnPcN and TiO2 is almost seven times higher than that of titania hollow nanospheres.

引用

页码：3489 / 3496

页数：8

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