Tseng, CYCYTsengCheng, ICICChengJIAN-ZHANG CHEN2023-02-032023-02-0320220360-3199https://scholars.lib.ntu.edu.tw/handle/123456789/627594A NiFe bimetallic metal organic framework (MOF) deposited on nickel foam and processed by low-pressure plasmas with 95%Ar+5%H2, pure Ar, and 95%Ar+5%O2 gases is used as an electrocatalyst for the oxygen evolution reaction. An alkaline solution (1 M KOH) with 95%Ar+5%H2 plasma processed NiFe-MOFs/NF exhibits the best electrocatalytic performance with the lowest overpotential of 149 mV at a current density of 10 mA cm−2 and a Tafel slope of 54 mV dec−1. Furthermore, electrical impedance spectroscopy and cyclic voltammetry show that after 95%Ar+5%H2 plasma treatment, the interfacial impedance greatly reduces, and the electrical double-layer capacitance slightly increased.Oxygen evolution reaction (OER); Plasma; Electrocatalyst; NiFe; Metal organic framework (MOP); METAL-ORGANIC-FRAMEWORK; CATALYSTS[SDGs]SDG7journal article10.1016/j.ijhydene.2022.08.1792-s2.0-85138590568WOS:000893422500004https://api.elsevier.com/content/abstract/scopus_id/85138590568