MOF-derived nanoarrays as advanced electrocatalysts for water splitting

Abstract

Developing efficient, nanostructured electrocatalysts with desired compositions and structures is of great significance for improving the efficiency of water splitting toward hydrogen production. In this regard, metal organic framework (MOF)...

Recent developments in transition metal-based MOFs for electrocatalytic water splitting emphasizing fundamental and structural aspects

“…Owing to the cage-like structure, MOFs can be employed as a potential candidate for numerous applications like catalysis, sensing, luminescence, drug delivery and imaging, adsorption and separation, and gas and energy storage. [12][13][14][15][16] The main pros of MOFs are their tunable pore size, tunable morphology, high specific surface area, and flexible and tunable chemical functionalities with different organic linkers. 17,18 Besides, the poor conductivity, low stability and micro-regime crystal size of MOFs limit them from many viable electrocatalytic application.…”

Heterointerface engineering of cobalt molybdenum suboxide for overall water splitting

“…Therefore, developing an efficient, durable electrocatalyst for the reactions (HER and OER) is of prime importance for enabling energy-efficient water splitting and hydrogen production. [6][7][8] The platinum group of metals (PGMs) is considered the state-of-art or benchmark catalysts for HER and OER. However, low availability and high cost hamper the widespread use of PGM in commercial applications.…”

Three-dimensional nickel nanowires modified by amorphous Fe nanosheets as electrocatalysts for the oxygen evolution reaction

“…[25][26][27] To further enhance the electrocatalytic performance of NiFe bimetallic electrodes, it is necessary to increase their specific surface area, which provides active surface sites. [28][29][30] At present, self-supporting nanomaterials are widely used as high surface area electrodes, 31,32 especially the ones with nanowires as structural units. [33][34][35][36] For instance, a self-supporting hierarchical nanowire array structure with abundant active sites was shown to enhance the bubble release and ion transfer.…”