Regulating d-band electrons of sulfur-enriched CoS<sub><i>x</i></sub> to weaken the S–Hads bond in CoS<sub><i>x</i></sub>/ZnCdS ohmic heterojunctions for enhanced photocatalytic hydrogen evolution
Jiaqi Yang, Yuanjin He, Yuqiang Hao, Xuqiang Hao, Zhiliang Jin
Abstract
A ZnCdS/CoS x ohmic heterojunction for efficient charge separation was prepared. CoS x via sulfur enrichment and amorphization expose more S active sites, weaken S–Hads bonds, and enhance hydrogen desorption, boosting photocatalytic activity.
Topics & Concepts
PhotocatalysisHeterojunctionOhmic contactElectronSulfurMaterials sciencePhotochemistryChemistryOptoelectronicsCatalysisNanotechnologyPhysicsOrganic chemistryMetallurgyLayer (electronics)Quantum mechanicsAdvanced Photocatalysis TechniquesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications