“…Novel nanostructured materials have benchmarked applications ranging from electronics, optics, sensing, catalysis, and energy storage to various other sustainable energy conversion technologies. − In this regard, designing materials with modified surface properties and unique physicochemical properties via simple synthetic approaches and easy fabrication processes at a favorable cost has been a great challenging task. , Various sustainable energy technologies, including electrocatalytic water splitting, fuel cells, and metal–air batteries, are at the forefront of energy conversion/storage technologies. , State-of-the-art noble metal-based catalysts, such as Pt, Pd, AuPd, and IrO 2 /RuO 2 , are highly active for hydrogen and oxygen evolution reaction (HER/OER). Due to their scarcity and high cost, their widespread use has been limited.…”