期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 51, 页码 16796-16800出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201811211
关键词
clusters (4f-3d); hydrogen evolution; cadmium sulfide; photocatalysis
资金
- National Natural Science Foundation of China [21871224, 21673184, 21431005, 21390391, 21721001]
- Fok Ying Tong Education Foundation [151013]
- Fundamental Research Funds for the Central Universities [20720180032]
Heterometallic lanthanide-transition-metal (4f-3d) clusters with well-defined crystal structures integrate multiple metal centers and provide a platform for achieving synergistic catalytic effects. Herein, we present a strategy for enhanced hydrogen evolution by loading atomically precise 4f-3d clusters Ln(52)Ni(56) on a CdS photoabsorber surface. Interestingly, some Ni2+ ions in the clusters Ln(52)Ni(56) were exchanged by the Cd2+ to form Ln(52)Ni(56-x)Cd(x)/CdS composites. Photocatalytic studies show that the efficient synergistic multipath charge separation and transfer from CdS to the Eu52Ni56-xCdx cluster enable high visible-light-driven hydrogen evolution at 25353molh(-1)g(-1). This work provides the strategy to design highly active photocatalytic hydrogen evolution catalysts by assembling heterometallic 4f-3d clusters on semiconductor materials.
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