Titanium dioxide modification with cobalt oxide nanoparticles for photocatalysis

被引:19
作者
Lee, Heon [1 ]
Park, Young-Kwon [2 ]
Kim, Sun-Jae [3 ]
Kim, Byung-Hoon [4 ]
Jung, Sang-Chul [1 ]
机构
[1] Sunchon Natl Univ, Dept Environm Engn, Sunchon 540950, Jeonnam, South Korea
[2] Univ Seoul, Sch Environm Engn, Seoul 130743, South Korea
[3] Sejong Univ, Fac Nanotechnol & Adv Mat Engn, Seoul 143747, South Korea
[4] Chosun Univ, Dept Dent Mat, Kwangju 501759, South Korea
基金
新加坡国家研究基金会;
关键词
Titanium dioxide; Cobalt oxide nanoparticle; Energy band gap; Liquid phase plasma; Photocatalytic activity; PLASMA; MANGANESE;
D O I
10.1016/j.jiec.2015.08.025
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Liquid phase plasma (LPP) method was used to synthesize a photocatalyst that can respond to visible light by precipitating cobalt oxide nanoparticles on the surface of TiO2 powders. Uniform precipitation of cobalt oxide nanoparticles on the surface of TiO2 powders was observed, resulting in successful synthesis of Co oxide nanoparticles on TiO2 photocatalysts (CTP). The CTP synthesized in this study showed a photocatalytic activity under visible blue light. However, its photocatalytic activity was lower than that of bare TiO2 under UV light because the cobalt oxide precipitate acted as crystal defects deteriorating the catalytic activity. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:259 / 263
页数:5
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