Bipolar Electrochemistry Exfoliation of Layered Metal Chalcogenides Sb<sub>2</sub>S<sub>3</sub> and Bi<sub>2</sub>S<sub>3</sub> and their Hydrogen Evolution Applications
Shu Min Tan, Carmen C. Mayorga‐Martinez, Zdeněk Sofer, Martin Pumera
Abstract
Abstract Efficient exfoliation and downsizing of Sb 2 S 3 and Bi 2 S 3 layered compounds by using scalable bipolar electrochemistry on their suspensions in aqueous media are here demonstrated. The resulting samples were characterized in detail by transmission electron microscopy, energy‐dispersive X‐ray spectroscopy, and X‐ray photoelectron spectroscopy; their electrochemistry toward hydrogen evolution was also investigated. Hydrogen evolution ability of exfoliated Sb 2 S 3 and Bi 2 S 3 was investigated and compared to the bulk counterparts.
Topics & Concepts
Exfoliation jointX-ray photoelectron spectroscopyElectrochemistryMaterials scienceHydrogenTransmission electron microscopyMetalAqueous solutionSpectroscopyAnalytical Chemistry (journal)Chemical engineeringNanotechnologyChemistryPhysical chemistryGraphenePhysicsMetallurgyElectrodeQuantum mechanicsOrganic chemistryChromatographyEngineeringChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties2D Materials and Applications