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Catalyst activation: surface doping effects of group Ⅵ transition metal dichalcogenides towards hydrogen evolution reaction in acidic media

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Journal of Energy Chemistry 2022年第9期31卷 217-240,I0007页

作者： Bibi Ruqi Mrinal Kanti Kabiraz Jong Wook Hong Sang-Il Choi Department of Chemistry and Green-Nano Materials Research Center Kyungpook National UniversityDaegu 41566Republic of Korea Department of Hydrogen&Renewable Energy Kyungpook National UniversityDaegu 41566Republic of Korea Department of Chemistry University of UlsanUlsan 44776Republic of Korea

Two-dimensional(2D) transition metal dichalcogenides(TMDs) have emerged as promising alternatives to the platinum-based catalysts for hydrogen evolution reaction(HER). The edge site of these2D materials exhibits HER-active properties, whereas the large-area basal plane is ***, recent studies and methodologies have been investigated to improve the performance of TMD-based materials by activating inactive sites through elemental doping strategies. In this review,we focus on the metal and non-metal dopant effects on group VI TMDs such as MoS_(2) MoSe_(2) WS_(2)and WSe_(2) for promoting HER performances in acidic electrolytes. A general introduction to the HER is initially provided to explain the parameters in accessing the catalytic performance of dopedTMDs. Then, synthetic methods for doped-TMDs and their HER performances are introduced in order to understand the effect of various dopants including metallic and non-metallic elements. Finally, the current challenges and future opportunities are summarized to provide insights into developing highly active and stable doped-TMD materials and valuable guidelines for engineering TMD-based nanocatalysts for practical water splitting technologies.

关键词： 2D materials Transition metal dichalcogenides Dopant effect catalytic surface Hydrogen evolution reaction

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