High alkalinity boosts visible light driven H2 evolution activity of g-C3N4 in aqueous methanol

被引：68
|
作者：
Wu, Po [1 ,2 ]
Wang, Jiarui [2 ]
Zhao, Jing [2 ]
Guo, Liejin [1 ]
Osterloh, Frank E. [2 ]
机构：
[1] Xi An Jiao Tong Univ, Int Res Ctr Renewable Energy, State Key Lab Multiphase Flow Power Engn, Xian 710049, Shaanxi, Peoples R China
[2] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 98期
基金：
中国国家自然科学基金;
关键词：
PHOTOCHEMICAL CHARGE SEPARATION; GRAPHITIC CARBON NITRIDE; HYDROGEN-PRODUCTION; SURFACE; WATER; PHOTOCATALYST;
D O I：
10.1039/c4cc08063g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A high rate of 2.23 mmol h(-1) g(-1) ( quantum efficiency of 6.67% at 400 nm) for visible light driven photocatalytic H-2 evolution can be achieved with g-C3N4 by alkalization of the solution to a pH of 13.3, due to accelerated transfer of photoholes to the sacrificial donor.
引用
收藏
页码：15521 / 15524
页数：4
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