Dual-Metal Interbonding as the Chemical Facilitator for Single-Atom Dispersions

Dual-Metal Interbonding as the Chemical Facilitator for Single-Atom Dispersions

© 2020 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 46 vom: 08. Nov., Seite e2003484
1. Verfasser: Zhou, Yao (VerfasserIn)
Weitere Verfasser: Song, Erhong, Chen, Wei, Segre, Carlo U, Zhou, Jiadong, Lin, Yung-Chang, Zhu, Chao, Ma, Ruguang, Liu, Pan, Chu, Shufen, Thomas, Tiju, Yang, Minghui, Liu, Qian, Suenaga, Kazu, Liu, Zheng, Liu, Jianjun, Wang, Jiacheng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article chemical facilitators hydrogen evolution reaction single-atom catalysts top-down strategy
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520 |a Atomically dispersed catalysts, with maximized atom utilization of expensive metal components and relatively stable ligand structures, offer high reactivity and selectivity. However, the formation of atomic-scale metals without aggregation remains a formidable challenge due to thermodynamic stabilization driving forces. Here, a top-down process is presented that starts from iron nanoparticles, using dual-metal interbonds (RhFe bonding) as a chemical facilitator to spontaneously convert Fe nanoparticles to single atoms at low temperatures. The presence of RhFe bonding between adjacent Fe and Rh single atoms contributes to the thermodynamic stability, which facilitates the stripping of a single Fe atom from the Fe nanoparticles, leading to the stabilized single atom. The dual single-atom Rh-Fe catalyst renders excellent electrocatalytic performance for the hydrogen evolution reaction in an acidic electrolyte. This discovery of dual-metal interbonding as a chemical facilitator paves a novel route for atomic dispersion of chemical metals and the design of efficient catalysts at the atomic scale 
650 4 |a Journal Article 
650 4 |a chemical facilitators 
650 4 |a hydrogen evolution reaction 
650 4 |a single-atom catalysts 
650 4 |a top-down strategy 
700 1 |a Song, Erhong  |e verfasserin  |4 aut 
700 1 |a Chen, Wei  |e verfasserin  |4 aut 
700 1 |a Segre, Carlo U  |e verfasserin  |4 aut 
700 1 |a Zhou, Jiadong  |e verfasserin  |4 aut 
700 1 |a Lin, Yung-Chang  |e verfasserin  |4 aut 
700 1 |a Zhu, Chao  |e verfasserin  |4 aut 
700 1 |a Ma, Ruguang  |e verfasserin  |4 aut 
700 1 |a Liu, Pan  |e verfasserin  |4 aut 
700 1 |a Chu, Shufen  |e verfasserin  |4 aut 
700 1 |a Thomas, Tiju  |e verfasserin  |4 aut 
700 1 |a Yang, Minghui  |e verfasserin  |4 aut 
700 1 |a Liu, Qian  |e verfasserin  |4 aut 
700 1 |a Suenaga, Kazu  |e verfasserin  |4 aut 
700 1 |a Liu, Zheng  |e verfasserin  |4 aut 
700 1 |a Liu, Jianjun  |e verfasserin  |4 aut 
700 1 |a Wang, Jiacheng  |e verfasserin  |4 aut 
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773 1 8 |g volume:32  |g year:2020  |g number:46  |g day:08  |g month:11  |g pages:e2003484 
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