Complete oxidation of acetaldehyde over a composite photocatalyst of graphitic carbon nitride and tungsten(VI) oxide under visible-light irradiation

被引：108
作者：
Jin, Zhengyuan [1 ]
Murakami, Naoya [1 ]
Tsubota, Toshiki [1 ]
Ohno, Teruhisa [1 ,2 ,3 ]
机构：
[1] Kyushu Inst Technol, Dept Appl Chem, Fac Engn, Kitakyushu, Fukuoka 8048550, Japan
[2] PRESTO, JST, Kawaguchi, Saitama 3320012, Japan
[3] ACT C, JST, Kawaguchi, Saitama 3320012, Japan
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2014年 / 150卷
关键词：
g-C3N4; WO3; Photocatalysis; Planetary mill; Z-scheme; DOPED TIO2 PHOTOCATALYSTS; ORGANIC-SUBSTANCES; CUO COCATALYST; G-C3N4; WO3; PHOTODEGRADATION; WATER; GAS; DECOMPOSITION; NANOPARTICLES;
D O I：
10.1016/j.apcatb.2013.12.048
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：
Graphitic carbon nitride (g-C3N4) was prepared by heating melamine and then its specific surface area was enlarged by hydrothermal treatment in aqueous sodium hydroxide solution. The g-C3N4 samples were blended with tungsten(VI) oxide (WO3) using a planetary mill in order to improve photocatalytic activity. The composite photocatalyst with optimized amounts of these contents showed higher photocatalytic activity for decomposition of acetaldehyde under visible-light irradiation than did original samples. From the results, we concluded that the composite photocatalyst utilizes both high oxidation ability of WO3 and high reduction ability of g-C3N4 by Z-scheme charge transfer. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：479 / 485
页数：7
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