Ultrafine Ru nanoclusters anchored on cucurbit[6]uril/rGO for efficient hydrogen evolution in a broad pH range

We report for the first time ultrafine Ru nanoclusters (NCs) anchored on thin reduced graphene oxide (rGO) via introduction of the macrocyclic compound cucurbit[6]uril (CB[6]). The nanocomposite exhibits a comparable or better HER performance compared to Pt/C in acidic, alkaline as well as neutral m...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-08, Vol.56 (65), p.9392-9395
Main Authors: Gong, Zhiwei, Wu, Dongshuang, Cao, Minna, Zhao, Chuan, Cao, Rong
Format: Article
Language:English
Subjects:
Graphene
Hydrogen evolution
Macrocyclic compounds
Nanoclusters
Nanocomposites
Ruthenium
Ultrafines
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Summary:We report for the first time ultrafine Ru nanoclusters (NCs) anchored on thin reduced graphene oxide (rGO) via introduction of the macrocyclic compound cucurbit[6]uril (CB[6]). The nanocomposite exhibits a comparable or better HER performance compared to Pt/C in acidic, alkaline as well as neutral media, which greatly broadens its application in different types of electrolyzers. Ultrafine Ru nanoclusters uniformly coated on thin layer rGO were successfully synthesized via introducing macrocyclic compound cucurbit[6]uril. The obtained nanohybrid exhibits superior performance toward HER in broad pH range.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc03652h