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Benke, Punja Bahiru
복잡계 자기조립 연구단
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A Supramolecular Porous Organic Cage Platform Promotes Electrochemical Hydrogen Evolution from Water Catalyzed by Cobalt Porphyrins

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Title
A Supramolecular Porous Organic Cage Platform Promotes Electrochemical Hydrogen Evolution from Water Catalyzed by Cobalt Porphyrins
Author(s)
Smith, Peter T.; Bahiru Punja Benke; An, Lun; Younghoon Kim; Kimoon Kim; Chang, Christopher J.
Publication Date
2021-05
Journal
CHEMELECTROCHEM, v.8, no.9, pp.1653 - 1657
Publisher
John Wiley and Sons Inc
Abstract
© 2021 Wiley-VCH GmbHWe report a supramolecular porous organic cage platform composed of cobalt porphyrins for catalyzing the electrochemical hydrogen evolution reaction (HER) from water at neutral pH. Owing to its permanent porosity, the supramolecular structure yields a catalyst film with a fivefold increase in the number of electrochemically active cobalt atoms and an improvement in Tafel slope from 170 mV/decade to 119 mV/decade compared to a planar cobalt porphyrin analog, reaching activities over 19,000 turnovers for HER over a 24-hour period with 100 % Faradaic efficiency.
URI
https://pr.ibs.re.kr/handle/8788114/10693
DOI
10.1002/celc.202100331
ISSN
2196-0216
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > 1. Journal Papers (저널논문)
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