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Updated: May 22, 2025
Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
Published on: August 23, 2012
Engineering NiCoP nanosheet/ZnSe nanoparticle heterostructures for enhanced photocatalytic hydrogen production
Qingru Zeng1, Yachao Tan1, Xiangbiao Yin1
1School of Nuclear Science and Technology, University of South China, Hengyang 421001, China. dqzeng@usc.edu.cn.
Abstract:
Efficient and cost-effective photocatalysts are crucial for solar-to-H2 conversion. Here, we report a highly active photocatalyst with uniform 0D ZnSe nanoparticles modified by 2D bimetallic NiCoP nanosheets. The optimized 2D/0D NiCoP/ZnSe heterostructure achieves a H2 evolution rate of 4271 μmol g-1 h-1, significantly surpassing pristine ZnSe and the monometallic phosphide counterparts Ni2P/ZnSe and CoP-Co2P/ZnSe. Theoretical and experimental results reveal the mechanism of enhanced photocatalytic activity. This study provides significant insights into the exploration of bimetallic cocatalysts in photocatalytic systems.
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