期刊
INORGANIC CHEMISTRY
卷 58, 期 11, 页码 7229-7235出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b00206
关键词
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资金
- National Natural Science Foundation of China [21571158, 21701147]
- Key Research Project of University of Henan Province [19zx004]
- Startup Fund for PhDs of Natural Scientific Research of Zhengzhou University of Light Industry [2016BSJJ026]
The development of logical visible-light-driven heterogeneous photosystems for water splitting is a subject of new research. As the first example of a noble-metal-free photocatalyst for both H-2 and O-2 production, a high-nuclear {CuI24(mu 3-Cl)8(mu 4-Cl)6}-based polyoxometalate (POM)@metal-organic framework (MOF) (ZZULI-1) is rationally designed to serve as a robust dual-functionalized photocatalyst. ZZULI-1 exhibits highly efficient photocatalytic H-2 evolution (6614 mu mol g(-1) h(-1)) and O-2 evolution (1032 mu mol g(-1) calculated for the first 6 min). The {CuI24(mu 3-Cl)(8)(mu(4)-Cl)(6)} clusters and mixed POMs not only work as the active units for H-2 and O-2 production, respectively, but also improve the effective electron transfer between the photosensitizer and ZZULI-1. The highly stable dual-functionalized ZZULI-1 affords new penetrations into the development of cost-effective high-nuclear cluster-based POM@MOFs for efficient solar-to-fuel generation.
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