An Insight on Molybdenum Phosphide and its Hybrids as Catalyst for Electrochemical Water splitting: A Mini-Review

In recent years, a significant interest in developing green and renewable alternate energy reserves has been observed to address the energy and environmental crisis associated with utilizing conventional fossil fuels. In this respect, Hydrogen (H₂) is an effective energy carrier and has been recognized as a promising candidate for the future energy supply. Water splitting is a promising technology for producing H₂. Implementation of inexpensive water splitting systems and electrolyzers could lead to market-compatible H₂ fuel. Robust, efficient, and abundant catalysts are needed for the process to work favorably. Molybdenum Phosphide (MoP) has recently been identified as a promising family of earth-abundant electrocatalysts for the Hydrogen Evolution Reaction (HER). It boosts diverse compositions and structures, favorable electronic characteristics, and high electrical conductivity resulting in low overpotentials at operationally relevant current densities while exhibiting stability under strongly acidic conditions. In this review, we highlight the progress that has been made in this field and provides insights into the synthesis, characterization, and electrochemical behavior of MoP as HER electrocatalyst.