Heterojunction of FeOOH and TiO2 for the Formation of Visible Light Photocatalyst

被引：1
|
作者：
Rawal, Sher Bahadur [1 ]
Chakraborty, Ashok Kumar [1 ]
Lee, Wan In [1 ]
机构：
[1] Inha Univ, Dept Chem, Inchon 402751, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2009年 / 30卷 / 11期
关键词：
Heterojunction; Photocatalyst; Visible light; FeOOH/TiO2; FeOOH; BULK COMPOSITE PHOTOCATALYSTS; COUPLED SEMICONDUCTORS; HYDROGEN-PRODUCTION; OXIDATION; IRRADIATION; BEHAVIOR; DEGRADATION; WO3/TIO2; NANOPARTICLES; SUSPENSIONS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
FeOOH/TiO2, a heterojunction structure between FeOOH and TiO2, was prepared by covering the surface of the similar to 100-nm-sized FeOOH particles with Degussa P25 by applying maleic acid as ail organic linker Under visible 11011 irradiation (lambda >= 420 nm), FcOOH/TiO2 showed it notable photocatalytic activity in removal of gaseous 2-propanol and evolution of CO2 It was found that FeOOH reveals a profound absorption in the spectral range of 400 - 550 nm, and its valence band (VB) level is located relatively lower than that of TiO2. The considerable photocatalytic efficiency of the FeOOH/TiO2 under visible light inadiation wits therefore deduced to be caused by the hole transfer between the VB of FeOOH and TiO2.
引用
收藏
页码：2613 / 2616
页数：4
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