Journal
CRYSTENGCOMM
Volume 23, Issue 26, Pages 4700-4707Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ce00350j
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Funding
- Zhejiang Provincial Natural Science Foundation of China [LY19B010002, LQ19B030005]
- Jiaxing City Public Welfare Research Project of China [2021AY10058]
- National Undergraduate Innovation and Entrepreneurship Training Project of China [202010354039]
- Jiaxing University Student Research Training (SRT) of China [CD8517203252]
- Natural Science Foundation of China [21601002]
- Natural Science Research Key Project of Anhui Provincial Department of Education [KJ2020A0511]
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The study introduces the synthesis of CoNi bimetal two-dimensional CMOLs with excellent catalytic activity for the oxygen evolution reaction (OER) under alkaline conditions. Co0.6Ni0.4-CMOLs showed the best OER performance among Co-CMOLs and Ni-CMOLs. These findings contribute to understanding the concept of enhanced electrochemical activity based on stable metal-organic frameworks.
For electrochemical energy conversion, highly efficient and stable electrocatalysts are required, which are principally designed and synthesized by virtue of structural regulation. Two-dimensional cluster-based metal-organic layers (CMOLs) would have good performance in oxygen evolution reaction (OER) because of their stable and layered structure. Here, we first report the synthesis of CoNi bimetal two-dimensional CMOLs directly grown on Ni foam, which show excellent catalytic activity for the OER under alkaline conditions. Co0.6Ni0.4-CMOLs exhibited the best OER performance, compared with Co-CMOLs and Ni-CMOLs. The findings are expected to help understand the fundamental concept of enhanced electrochemical activity based on pristine metal-organic frameworks with high stability.
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