Fabrication of ZnO/Red Phosphorus Heterostructure for Effective Photocatalytic H2 Evolution from Water Splitting

被引：27

作者：

Chen, Jiaqi ^{[1
]}

Huang, Shaolong ^{[1
]}

Long, Yaojia ^{[1
]}

Wu, Jiahao ^{[1
]}

Li, Hui ^{[1
]}

Li, Zhao ^{[1
]}

Zeng, Yu-Jia ^{[1
]}

Ruan, Shuangchen ^{[1
]}

机构：

[1] Shenzhen Univ, Coll Optoelect Engn, Shenzhen Key Lab Laser Engn, Shenzhen 518060, Peoples R China

来源：

NANOMATERIALS | 2018年 / 8卷 / 10期

基金：

中国国家自然科学基金;

关键词：

photocatalysis; H-2; evolution; red P; ZnO; heterostructure; RED PHOSPHORUS; HYDROGEN EVOLUTION; HETEROJUNCTION; PHOTOLYSIS; TIO2; WO3;

D O I：

10.3390/nano8100835

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Photocatalysis is a green technique that can convert solar energy to chemical energy, especially in H-2 production from water splitting. In this study, ZnO and red phosphorus (ZnO/RP) heterostructures were fabricated through a facile calcination method for the first time, which showed the considerable photocatalytic activity of H-2 evolution. The photocatalytic activities of heterostructures with different ratios of RP have been investigated in detail. Compared to bare ZnO, ZnO/RP heterostructures exhibit a 20.8-fold enhancement for H-2 production and furthermore overcome the photocorrosion issue of ZnO. The improved photocatalytic activities highly depend on the synergistic effect of the high migration efficiency of photo-induced electron-hole pairs with the inhibited charge carrier recombination on the surface. The presented strategy can also be applied to other semiconductors for various optoelectronics applications.

引用

页数：11

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