Journal
CHEMICAL SCIENCE
Volume 9, Issue 47, Pages 8890-8894Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc02809e
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Funding
- National Key Research and Development Program of China [2017YFA0403102, 2017YFA0403003]
- National Natural Science Foundation of China [21733011, 21533011, 21373230]
- Chinese Academy of Sciences [QYZDY-SSW-SLH013]
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We propose a strategy to synthesize ternary CdS/UiO-bpy/Co composites by integration of CdS and molecular redox catalysts through metal-organic framework (MOF) UiO-bpy. The CdS/UiO-bpy/Co composites were very effective for photocatalytic conversion of CO2 to CO under visible light irradiation. The evolution rate of CO could reach 235 mol g(-1) h(-1), which was a 10.2-fold improvement compared to that for the parent CdS, and selectivity for CO was 85%. The outstanding performance of the CdS/UiO-bpy/Co composites resulted from promoting the separation and migration of photo-induced charge carriers, enhancing the adsorption of CO2 molecules, and offering abundant active sites for CO2 reduction. As far as we know, this is the first study to integrate inorganic semiconductors and molecular redox catalysts through MOFs.
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