Abstract

Very recently, microporous transition metal-based organic-inorganic hybrid phosphonate nanostructured materials have attracted attention for their good potential in electrocatalytic application involving oxygen evolution reaction (OER). Newly designed Iron anchored microporous cobalt-based phosphonate materials i.e. FeCoNTMP has been synthesized utilizing nitrilotri(methylphosphonic acid) under the hydrothermal reaction condition in absence of any structure directing agent (SDA). Moreover, FeCoNTMP material exhibits excellent catalytic performance towards electrochemical oxygen evolution reaction with the low overpotential value of 289 mV at the current density of 10 mA cm−2 in 1.0 M basic solution whereas Tafel slope was 59.3 mV dec-1. In addition, FeCoNTMP catalyst displays the outstanding durability up to 25 h, suggesting the potential heterogeneous electrocatalyst.

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