The function-led design of Z-scheme photocatalytic systems based on hollow carbon nitride semiconductors

被引:136
|
作者
Zheng, Dandan [1 ]
Pang, Chenyang [1 ]
Wang, Xinchen [1 ]
机构
[1] Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Coll Chem & Chem Engn, Fuzhou 350002, Peoples R China
关键词
REDUCED GRAPHENE OXIDE; STATE Z-SCHEME; HYDROGEN EVOLUTION; 2-STEP PHOTOEXCITATION; WATER; NANOSPHERES; SOLAR; FABRICATION; NANOSHEETS; OXYNITRIDE;
D O I
10.1039/c5cc07867a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A ternary photocatalyst has been successfully constructed through the integration of Au, CdS and hollow carbon nitride nanospheres (HCNS), where Au nanoparticles were designed to shuttle interparticle transfer of charge carriers between CdS and HCNS photosensitizers to establish two-photon (Z-scheme) photocatalytic tandem systems for solar fuel production. The solid-state CdS-Au-HCNS Z-scheme nanocomposites were efficient for H-2 evolution (with a quantum yield of 8.7% at 420 nm) and CO2 reduction catalysis with visible light irradiation. This work further proves the feasibility of employing hollow conjugated polymer photocatalysts in the function-led design of artificial Z-type photosynthetic machinery on soft material interfaces.
引用
收藏
页码:17467 / 17470
页数:4
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