Construction of Ni(CN)2 /NiSe2 Heterostructures by Stepwise Topochemical Pathways for Efficient Electrocatalytic Oxygen Evolution

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 34(2022), 4 vom: 05. Jan., Seite e2104405
1. Verfasser: Nai, Jianwei (VerfasserIn)
Weitere Verfasser: Xu, Xiangzhen, Xie, Qifan, Lu, Gongxun, Wang, Yao, Luan, Deyan, Tao, Xinyong, Lou, Xiong Wen David
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electrocatalysts heterostructures nanostructures oxygen evolution reaction topochemical reactions
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520 |a Exploiting effective electrocatalysts based on elaborate heterostructures for the oxygen evolution reaction (OER) has been considered as a promising strategy for boosting water splitting efficiency to produce the clean energy-hydrogen. However, constructing catalytically active heterostructures with novel composition and architecture remains poorly developed due to the synthetic challenge. In this work, it is demonstrated that unique Ni(CN)2 /NiSe2 heterostructures, composed of single-crystalline Ni(CN)2 nanoplates surrounded by crystallographically aligned NiSe2 nanosatellites, can be created from nickel-based Hofmann-type coordination polymers through stepwise topochemical pathways. When employed as the OER electrocatalyst, the Ni(CN)2 /NiSe2 heterostructures show enhanced performance, which could be attributed to optimized geometric and electronic structures of the catalytic sites endowed by the synergy between the two components. This work demonstrates a rational synthetic route for creating a novel Ni-based OER electrocatalyst that possesses nanoscale heterostructure, whose composition, spatial organization, and interface configuration can be finely manipulated 
650 4 |a Journal Article 
650 4 |a electrocatalysts 
650 4 |a heterostructures 
650 4 |a nanostructures 
650 4 |a oxygen evolution reaction 
650 4 |a topochemical reactions 
700 1 |a Xu, Xiangzhen  |e verfasserin  |4 aut 
700 1 |a Xie, Qifan  |e verfasserin  |4 aut 
700 1 |a Lu, Gongxun  |e verfasserin  |4 aut 
700 1 |a Wang, Yao  |e verfasserin  |4 aut 
700 1 |a Luan, Deyan  |e verfasserin  |4 aut 
700 1 |a Tao, Xinyong  |e verfasserin  |4 aut 
700 1 |a Lou, Xiong Wen David  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Advanced materials (Deerfield Beach, Fla.)  |d 1998  |g 34(2022), 4 vom: 05. Jan., Seite e2104405  |w (DE-627)NLM098206397  |x 1521-4095  |7 nnns 
773 1 8 |g volume:34  |g year:2022  |g number:4  |g day:05  |g month:01  |g pages:e2104405 
856 4 0 |u http://dx.doi.org/10.1002/adma.202104405  |3 Volltext 
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