Dramatically Enhanced Photocatalytic Hydrogen Production over Pompoms-Like Cadmium Molybdate Nano-Micro Hybrids Modulated by Copper Ions
International journal of hydrogen energy(2019)
摘要
Development of highly-active photocatalyst is of critical challenge for hydrogen production from water reduction, and optimizing the microstructure and the composition of the relative materials is very necessary to obtain the high-quality catalysts. Here, a novel self-adjusting structure of pompoms-like cadmium molybdate nano-micro hybrid stimulated by copper ions (Cu-CdMoO4) was achieved. It was found that the morphology and property of the CdMoO4 can be modulated greatly by the Cu. The optimal H2 generation amount for the hybrid was about 77.4 times higher than that of pure CdMoO4 under same conditions. The significantly improved activity is associated with wider light response, more active sites, and effective charge separation.
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关键词
Cadmium molybdate,Nano-micro hybrid,Morphological modulation,Heterogeneous catalysis,Hydrogen production
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