Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 26, Pages 16736-16743Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b05375
Keywords
metal-organic frameworks; oxygen evolution reaction; electrocatalysis; electrochemical deposition; binder-free film
Funding
- 973 Program [2013CB834704]
- Provincial Key Project of China [7131253]
- National Natural Science Foundation of China [21471018, 21404010, 21201018, 21490570]
- 1000 Plan (Youth)
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Multivariate metal-organic frameworks with active Fe/Ni building blocks that are spatially arranged in an open structure are synthesized and explored for oxygen evolution reaction. The heterogeneity and porosity of this system prove to show synergy effect and give low onset overpotential at 170 mV. These MOFs are further fabricated into thin films over nickel foam by controlled electrochemical deposition to improve the surface conductivity and the overall stability. The Fe/Ni metal-organic framework film exhibits outstanding electrocatalytic activity with low overpotential of 270 mV at 10 mA cm(-2), small Tafel slope, high Faradaic efficiency, high turnover frequency, and great stability
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