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Author:

Liu, Xiaohang (Liu, Xiaohang.) | Sang, Lixia (Sang, Lixia.) (Scholars:桑丽霞) | Zhou, Tingyi (Zhou, Tingyi.)

Indexed by:

EI Scopus SCIE

Abstract:

Metal-organic frameworks (MOFs) as emerging material have drawn much attention to apply to the field of water splitting. In this paper, layered NiFe-MIL-53 and nanoflower-like CoFe-MOF-74 were sequentially grown on nickel foam through two-step in -situ growth to construct a MOF-74/MIL-53 heterojunction. On this basis, we used the localized surface plasmon resonance (LSPR) effect of gold nanoparticles (Au NPs) to significantly improve the oxygen evolution reaction performance of MOF-74/MIL-53 heterojunction. Under illumation, the obtained Au-MOF-74/MIL-53 exhibits a lower overpotential of 218 mV, which is far superior to commercial catalyst. The reaction kinetics are significantly enhanced due to the lower charge transfer resistance and the higher electric double layer capacitance. We confirmed the existence of charge transfer between Au NPs and MOFs, and at the same time, the deposition of Au NPs significantly reduced the charge transfer resistance of MOF-74/MIL-53. On the basis of our work, we provide a novel MOF-based electrocatalytic nanocomposite structure for efficient water splitting.

Keyword:

Water electrolysis MOF Plasmonic Au Heterojunction Oxygen evolution reaction

Author Community:

  • [ 1 ] [Liu, Xiaohang]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 2 ] [Sang, Lixia]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China
  • [ 3 ] [Zhou, Tingyi]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Sang, Lixia]Beijing Univ Technol, MOE Key Lab Enhanced Heat Transfer & Energy Conser, Beijing Key Lab Heat Transfer & Energy Convers, Beijing 100124, Peoples R China;;

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Source :

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

ISSN: 0360-3199

Year: 2024

Volume: 69

Page: 441-450

7 . 2 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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