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240424s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202402388
|2 doi
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|a pubmed24n1482.xml
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|a (DE-627)NLM371372348
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|a (NLM)38648263
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|a eng
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|a Lin, Lingtong
|e verfasserin
|4 aut
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|a Hydrogen Bonds Induced Ultralong Stability of Conductive π-d Conjugated FeCo3(DDA)2 with High OER Activity
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 25.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Conductive π-d conjugated metal-organic frameworks (MOFs) have attracted wide concerns in electrocatalysis due to their intrinsic high conductivity. However, the poor electrocatalytic stability is still a major problem that hinders the practical application of MOFs. Herein, a novel approach to enhancing the stability of MOF-based electrocatalyst, namely, the introduction of hydrogen bonds (H-bonds), is reported. Impressively, the π-d conjugated MOF FeCo3(DDA)2 (DDA = 1,5-diamino-4,8-dihydroxy-9,10-anthraceneedione) exhibits ultrahigh oxygen evolution reaction (OER) stability (up to 2000 h). The experimental studies demonstrate that the presence of H-bonds in FeCo3(DDA)2 is responsible for its ultrahigh OER stability. Besides that, FeCo3(DDA)2 also displays a prominent OER activity (an overpotential of 260 mV vs reversible hydrogen electrode (RHE) at a current density of 10 mA cm-2 and a Tafel slope of 46.86 mV dec-1). Density functional theory (DFT) calculations further indicate that the synergistic effect of the Fe and Co sites in FeCo3(DDA)2 contributes to its prominent OER performance. This work provides a new avenue of boosting the electrocatalytic stability of conductive π-d conjugated MOFs
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|a Journal Article
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|a hydrogen bond
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|a metal–organic framework
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|a oxygen evolution reaction
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|a stability
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|a π–d conjugation
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|a Zhang, Caiyun
|e verfasserin
|4 aut
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|a Liang, Congcong
|e verfasserin
|4 aut
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|a Zhang, Honggang
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|a Wang, Zeyan
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|a Wang, Peng
|e verfasserin
|4 aut
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|a Zheng, Zhaoke
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|a Cheng, Hefeng
|e verfasserin
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|a Xing, Danning
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|a Dai, Ying
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|a Huang, Baibiao
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|a Liu, Yuanyuan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 30 vom: 10. Juli, Seite e2402388
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:30
|g day:10
|g month:07
|g pages:e2402388
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|u http://dx.doi.org/10.1002/adma.202402388
|3 Volltext
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