Multiple interface coupling triggered built-in electric field over double-sandwiched RGO/cobalt silicate/cobalt-iron phosphide for improving the overall water-splitting performance
Yifu Zhang, Xianfang Tan, Xiaoyu Pei, Yang Wang, Shengping Yi, Qiushi Wang, Xiaoming Zhu, Changgong Meng, Chi Huang
Abstract
In this work, multiple interface coupling between rGO, CS, and (Co,Fe) x P y triggers a built-in electric field, which lowers the energy barrier for HER by facilitating H–OH bond dissociation and accelerates OER by promoting OH − adsorption.
Topics & Concepts
CobaltSilicateMaterials scienceCoupling (piping)PhosphideField (mathematics)MetallurgyChemical engineeringNickelEngineeringPure mathematicsMathematicsMembrane-based Ion Separation TechniquesSolar-Powered Water Purification MethodsMembrane Separation Technologies