Preparation of transparent PVA/TiO2 nanocomposite films with enhanced visible-light photocatalytic activity

被引：66
|
作者：
Liu, Xiuyun [1 ]
Chen, Qirong [2 ]
Lv, Lizhen [1 ]
Feng, Xiaoying [1 ]
Meng, Xiangfu [1 ]
机构：
[1] Capital Normal Univ, Dept Chem, Beijing Key Lab Opt Mat & Photon Devices, Beijing 100048, Peoples R China
[2] BCPCA, Beijing 100089, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 58卷
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
Photocatalyst; Poly(vinyl alcohol); TiO2; Visible-light; Nanocomposites; SURFACE FLUORINATION;
D O I：
10.1016/j.catcom.2014.08.032
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：
Polymer/semiconductor oxide nanocomposite films have been intensively investigated for various applications. In this work, we reported a simple hydrothermal method to fabricate highly transparent poly(vinyl alcohol)/titanium dioxide (PVA/TiO2) nanocomposite films with enhanced visible-light photocatalytic activity. The as-prepared PVA/TiO2 nanocomposite films showed high optical transparency in the visible region even at a high TiO2 content (up to 40 wt.%). The determination of photocatalytic activity by photodegradation of methyl orange (MO) and colorless phenol showed that PVA/TiO2 nanocomposite films exhibited enhanced visible-light photocatalytic activity and excellent recycle stability. This work provided new insights into fabrication of polymer/TiO2 nanocomposites as high performance photocatalysts in waste water treatment (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：30 / 33
页数：4
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