Vanadate Encapsulated Polyoxoborate Framework with [V12B18] Clusters: An Efficient Bifunctional Electrocatalyst for Oxygen and Hydrogen Evolution Reactions

Widespread contemporary attention has grown over the years in the search for a new functional and robust inorganic framework system with the advent of exciting applications. Herein, a facile strategy has been demonstrated for developing noble-metal-free bifunctional electrocatalysts by successfully...

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Bibliographic Details
Published in:Crystal growth & design 2022-08, Vol.22 (8), p.4666-4672
Main Authors: Rom, Tanmay, Biswas, Rathindranath, Haldar, Krishna Kanta, Saha, Uttam, Rayaprol, Sudhindra, Paul, Avijit Kumar
Format: Article
Language:English
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Summary:Widespread contemporary attention has grown over the years in the search for a new functional and robust inorganic framework system with the advent of exciting applications. Herein, a facile strategy has been demonstrated for developing noble-metal-free bifunctional electrocatalysts by successfully preparing a polyoxovanadoborate framework compound, i.e., [Na10(H2O)18]­[(VO)12(μ3-OH)6­(B3O7)6]·5H2O, i.e., NVBO-I. Anionic vanadoborate clusters are interconnected through a cationic sodium aquated chain to form a three-dimensional framework structure. The compound exhibits remarkable bifunctional activity for oxygen and hydrogen evolution reactions over many well-engineered and state-of-art electrocatalysts under a similar catalytic environment.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.2c00258