A novel and highly efficient earth-abundant Cu3P with TiO2 "P-N" heterojunction nanophotocatalyst for hydrogen evolution from water

被引：119

作者：

Yue, Xinzheng ^{[1
]}

Yi, Shasha ^{[2
]}

Wang, Runwei ^{[1
]}

Zhang, Zongtao ^{[1
]}

Qiu, Shilun ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Peoples R China

[2] Jilin Univ, Minist Educ, Key Lab Automobile Mat, Dept Mat Sci & Engn, Changchun 130022, Peoples R China

来源：

NANOSCALE | 2016年 / 8卷 / 40期

基金：

中国国家自然科学基金;

关键词：

PHOTOCATALYTIC H-2 EVOLUTION; VISIBLE-LIGHT IRRADIATION; COPPER PHOSPHIDE; NANOSHEETS; GRAPHENE; MOS2; NANOPARTICLES; DEGRADATION; COCATALYSTS; NANOWIRES;

D O I：

10.1039/c6nr06620h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Semiconductor-based photocatalytic hydrogen (H-2) evolution from water is of great importance for solar-to-chemical conversion processes to boost and promote the future hydrogen economy. Here, for the first time, we demonstrate that p-Cu3P coupled with n-TiO2 forms a novel hybrid structure which accelerates electron-hole pair separation and transfer for improved photocatalytic H-2-evolution activity. The rate of H-2 evolution of the optimized Cu3P/TiO2 (7940 mu mol h(-1) g(-1)) is 11 times higher than that of bare TiO2, with an apparent quantum efficiency (AQE) of 4.6%. This work may provide more insight into the synthesis of novel phosphide-based hybrid materials with high photocatalytic H-2-evolution activity and sufficient stability for solar-to-chemical conversion and utilization.

引用

页码：17516 / 17523

页数：8

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