Preparation of BiVO4@Fiber Composites and the Photocatalytic Property for Degradation of Organic Dyes under Visible-Light

• 作者: Deshuang Yu Jianqiang Yu Wei Lu Xiaochen Zhou Yan Zhang
• 来源期刊: 绿色与可持续化学(英文)
• 学科: 化学
• 关键词: BiVO4@Fibers Composite PHOTOCATALYST Red FN-3G DECOMPOSITION PHOTOCATALYSIS
• 年，卷（期）: 2011,（3）
• 页码范围: 98-102
• 页数: 5页
• 分类号: O6

摘要

In this article, a novel BiVO4@fibers composite photocatalyst was prepared by a process that monoclinic scheelite BiVO4 nano/micro particles were in situ formated onto fiber materials. The structure, morphology and photophysical properties of the composite materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and UV-Vis diffuse reflectance spectroscopy, respectively. The immobilization of BiVO4 photocatalyst on fibers reduced the particle size of the photoactive phase, and a few visible-light absorption abilities. The decomposition of a non-biodegradable dye Red FN-3G was selected to examine the photocatalytic activity of the composite photocatalyst. It was found that the formation of composite materials of BiVO4 with fibers didn’t decrease the photocatalytic activity with comparison to that of pure BiVO4. Moreover, it demonstrated that when adjusting the dye solution into about pH = 3, the highest efficiency of dye degradation over the fiber composite material can be obtained.