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- W3138707249 abstract "MoS 2 has been proven to be an environmental-friendly and economic photocatalyst for clean energy generation. However, the energy conversion efficiency still needs to be more enhanced for practical application due to the limited number of active sites on the surface and the high recombination rate of electron-hole pairs. Herein, P-doping was utilized to increase the active sites, and the heterojunction was constructed with WO 3 to improve the charge separation rate. Our results show that the heterojunction P-MoS 2 @WO 3 photocatalyst has a stable and durable photocatalytic activity in water splitting, which shows H 2 evolution rate of 73.8 μmol h –1 g −1 . This good photocatalytic performance of P-MoS 2 @WO 3 is attributed to increased active sites at the thermodynamically stable basal (002) plane of MoS 2 by the P-doping and the enhanced charge separation rate by the heterojunction with a direct Z-scheme mode. This study offers an efficient way to increase the active sites and separate charge carriers in MoS 2 -based photocatalysts for H 2 generation. • The doped nonmetal P elements provide abundant active sites on the stable basal (002) plane of MoS 2 . • The heterojunction P-MoS 2 @WO 3 provides an efficient thoroughfare to facilitate the separation of electron-hole pairs. • The optoelectronic transfer pathway with a direct Z-scheme charge mode at the interface of the P-MoS 2 @WO 3 heterostructures." @default.
- W3138707249 created "2021-03-29" @default.
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- W3138707249 date "2021-08-01" @default.
- W3138707249 modified "2023-09-29" @default.
- W3138707249 title "Elucidating the mechanistic origins of P dopants triggered active sites and direct Z-scheme charge transfer by P-MoS2@WO3 heterostructures for efficient photocatalytic hydrogen evolution" @default.
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- W3138707249 doi "https://doi.org/10.1016/j.jallcom.2021.159637" @default.
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