Pulsed laser-patterned high-entropy single-atomic sites and alloy coordinated graphene oxide for pH-universal water electrolysis
Yeryeong Lee, Jayaraman Theerthagiri, Wanwisa Limphirat, Ganga Periyasamy, Gyoung Hwa Jeong, Soorathep Kheawhom, Yongbing Tang, Myong Yong Choi
Abstract
We introduce high-entropy single-atom catalysts (HESACs) from FeRuPtNiCoPd HEA on GO via pulsed laser irradiation in liquids. Synergistic interactions and rapid Fe 2+ photoreduction enhance active sites, achieving superior overall water splitting.
Topics & Concepts
OxideGrapheneAlloyElectrolysisMaterials scienceElectrolysis of waterLaserNanotechnologyMetallurgyChemistryPhysicsPhysical chemistryOpticsElectrodeElectrolyteElectrocatalysts for Energy ConversionHydrogen Storage and MaterialsLaser-Ablation Synthesis of Nanoparticles