期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 8, 页码 2773-2776出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta01476b
关键词
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资金
- Ministry of Science and Technology of China [2009CB220001]
- NSFC [50921004, 51002160, 21090343, 51172243]
- Solar Energy Initiative
- Chinese Academy of Sciences [KJCX2-YW-H21-01]
- IMR SYNL-T.S. Ke Research Fellowship
A ternary heterostructure of CdS/Au/ZnO, where a core-shell structure of Au/CdS is selectively deposited on the polar surface of ZnO induced by the surface polar charges of ZnO crystals, is prepared through a two-step self-assembly process. The resultant heterostructure shows an activity 4.5 times higher in photocatalytic hydrogen evolution from water containing Na2S/Na2SO3 electron donors than the binary CdS/ZnO heterostructure as a result of the effective vectorial Z-scheme transfer of photogenerated charge carriers between ZnO and CdS mediated by Au nanoparticles at the interface.
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