Journal
APPLIED ORGANOMETALLIC CHEMISTRY
Volume 34, Issue 10, Pages -Publisher
WILEY
DOI: 10.1002/aoc.5871
Keywords
copper-based catalyst; electrocatalysis; metal-organic frameworks (MOFs)oxygen evolution reaction (OER)
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Funding
- University of Mohaghegh Ardabili Research Council, Ardabil, Iran
- Centre National de la Recherche Scientifique (CNRS)
- University of Lille
- Hauts-de-France region
- Fonds Europeen de Developpement Regional (FEDER)
- CNRS
- Region Nord Hauts-de-France
- Ministere de l'Education Nationale de l'Enseignement Superieur et de la Recherche
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We report a Cu-based metal-organic framework (MOF) decorated by CuO nanostructures as an efficient catalyst for the oxygen evolution reaction (OER). MIL-53(Cu) was synthesized by a hydrothermal approach using 1,4-bezenedicarboxylic acid as organic precursor and further annealed at 300 degrees C to form CuO nanostructures on its surface. The produced electrocatalyst, CuO@MIL-53(Cu), was characterized using various techniques. Under alkaline conditions, the developed electrocatalyst exhibited an overpotential of 801 and 336 mV versus RHE at 10 and 1 mA cm(-2), respectively. The reproducibility of the catalytic performance was validated using several electrodes. It was confirmed that the CuO hair-like nanostructures grown on MIL-53(Cu) using thermal treatment exhibit high OER activity, good kinetics and durability. CuO@MIL-53(Cu) is an economic noble-metal-free OER electrocatalyst. It has potential for application as anode material for sustainable energy technologies like batteries, fuel cells and water electrolysis.
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