首页|(162931)Decorating tungsten oxide on g-C_3N_4 nanosheet as Z-scheme heterogeneous photocatalyst for efficient hydrogen evolution
(162931)Decorating tungsten oxide on g-C_3N_4 nanosheet as Z-scheme heterogeneous photocatalyst for efficient hydrogen evolution
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NSTL
Elsevier
Here a facile hydrothermal method was developed to prepare heterogeneous photocatalyst constructed by decorating nanorod-assembled orbicular WO_3-0.5 H_2O on the surface of porous carbon nitride nanosheets. By integrating two martials with synergetic effect according to their bandgap structure, as-obtained catalyst exhibits well-suppressed recombination of the photoexcited carriers by formation of Z-scheme bandgap structure. It, together with the increased surface areas, contributes to the significantly improved photo-catalytic performance. As a result, the heterogeneous photocatalyst reveals a hydrogen generation rate of 3100 umol-g~(-1)-h~(-1) under visible light irradiation, accounting for an approximately 16 times higher than that of pristine graphite carbon nitride. Accordingly, as proposed strategy provides a new opportunity to explore advanced catalysts with superior properties for renewable energy utilization.
Key Laboratory of Advanced Functional Materials, Education Ministry of China, Faculty of Materials and Manufacture, Beijing University of Technology, Beijing 100124, PR China
NSTL
Elsevier
