Photocatalytic CO2 reduction represents a sustainable route to generate syngas (the mixture of CO and H2 ), which is a key feedstock to produce liquid fuels in industry. Yet this reaction typically suffers from two limitations: unsuitable CO/H2 ratio and serious charge recombination. This paper describes the production of syngas from photocatalytic CO2 reduction with tunable CO/H2 ratio via adjustment of component and surface structure of CuPt alloys and construction of a TiO2 mesoporous hollow sphere with spatially separated cocatalysts to promote charge separation.
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Chem. Sci., 2018, in press, DOI: 10.1039/C8SC01812J