Abstract
AbstractThere is high demand of clean and sustainable energy where hydrogen can be an alternative instead of fossil fuel. We report here synthesis, characterization and applications of a mononuclear Ni(II) complex, [Ni(L)2] (1), with a salen type ligand, 2,2′‐((1E,1′E)‐(propane‐1,2‐diylbis(azanylylidene))bis(methanylylidene))bis(4‐bromophenol) (H2L). It has been obtained by a mild reaction with high yield. It has been characterized by the standard analytical techniques. Complex 1 has been used as an electrocatalyst in hydrogen evolution reaction where acetic acid is used as a proton source in DMF with a TOF value of 182.11 s−1. Various control experiments and results suggest the relevance of Complex 1 as the efficient electrocatalyst in the hydrogen generation from acetic acid. The metal complex has been deposited on a glassy carbon electrode and used efficiently in electrocatalytic oxidation of hydrazine.
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