Regulating the Interfacial Electronic Coupling of Fe2 N via Orbital Steering for Hydrogen Evolution Catalysis

Regulating the Interfacial Electronic Coupling of Fe2 N via Orbital Steering for Hydrogen Evolution Catalysis

© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 26 vom: 15. Juli, Seite e1904346
1. Verfasser: Wu, Yishang (VerfasserIn)
Weitere Verfasser: Cai, Jinyan, Xie, Yufang, Niu, Shuwen, Zang, Yipeng, Wu, Shaoyang, Liu, Yun, Lu, Zheng, Fang, Yanyan, Guan, Yong, Zheng, Xusheng, Zhu, Junfa, Liu, Xiaojing, Wang, Gongming, Qian, Yitai
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article Fe2N electrocatalysts hydrogen evolution reaction nitrogen vacancies orbital tuning
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520 |a The capability of manipulating the interfacial electronic coupling is the key to achieving on-demand functionalities of catalysts. Herein, it is demonstrated that the electronic coupling of Fe2 N can be effectively regulated for hydrogen evolution reaction (HER) catalysis by vacancy-mediated orbital steering. Ex situ refined structural analysis reveals that the electronic and coordination states of Fe2 N can be well manipulated by nitrogen vacancies, which impressively exhibit strong correlation with the catalytic activities. Theoretical studies further indicate that the nitrogen vacancy can uniquely steer the orbital orientation of the active sites to tailor the electronic coupling and thus benefit the surface adsorption capability. This work sheds light on the understanding of the catalytic mechanism in real systems and could contribute to revolutionizing the current catalyst design for HER and beyond 
650 4 |a Journal Article 
650 4 |a Fe2N 
650 4 |a electrocatalysts 
650 4 |a hydrogen evolution reaction 
650 4 |a nitrogen vacancies 
650 4 |a orbital tuning 
700 1 |a Cai, Jinyan  |e verfasserin  |4 aut 
700 1 |a Xie, Yufang  |e verfasserin  |4 aut 
700 1 |a Niu, Shuwen  |e verfasserin  |4 aut 
700 1 |a Zang, Yipeng  |e verfasserin  |4 aut 
700 1 |a Wu, Shaoyang  |e verfasserin  |4 aut 
700 1 |a Liu, Yun  |e verfasserin  |4 aut 
700 1 |a Lu, Zheng  |e verfasserin  |4 aut 
700 1 |a Fang, Yanyan  |e verfasserin  |4 aut 
700 1 |a Guan, Yong  |e verfasserin  |4 aut 
700 1 |a Zheng, Xusheng  |e verfasserin  |4 aut 
700 1 |a Zhu, Junfa  |e verfasserin  |4 aut 
700 1 |a Liu, Xiaojing  |e verfasserin  |4 aut 
700 1 |a Wang, Gongming  |e verfasserin  |4 aut 
700 1 |a Qian, Yitai  |e verfasserin  |4 aut 
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773 1 8 |g volume:32  |g year:2020  |g number:26  |g day:15  |g month:07  |g pages:e1904346 
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