H<sub>2</sub>-production and electron-transfer mechanism of a noble-metal-free WO<sub>3</sub>@ZnIn<sub>2</sub>S<sub>4</sub> S-scheme heterojunction photocatalyst
Shuang Cao, Jiaguo Yu, S. Wageh, Ahmed A. Al‐Ghamdi, Mitra Mousavi, Jahan B. Ghasemi, Feiyan Xu
Abstract
A novel noble-metal-free WO 3 @ZnIn 2 S 4 heterojunction showed outstanding photocatalytic H 2 -production activity resulting from S-scheme electron/hole separation and a lower H 2 -evolution barrier as evidenced by DFT calculation, in situ XPS and TRPL.
Topics & Concepts
HeterojunctionNoble metalPhotocatalysisX-ray photoelectron spectroscopyElectron transferMetalMaterials scienceElectronNanotechnologyChemical engineeringChemistryPhotochemistryOptoelectronicsCatalysisPhysicsMetallurgyQuantum mechanicsEngineeringBiochemistryAdvanced Photocatalysis Techniques2D Materials and ApplicationsAdvanced biosensing and bioanalysis techniques