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ISSN 2063-5346
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Photo-electrochemical water splitting and hydrogen generation over Ce-CdS/TiO2/Pt composites coated on FTO substrate

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1*Ashokrao B. Patil,2Balaso D. Jadhav,3Akash N. Ghoti,4Satish K. Pardeshi
» doi: 10.48047/ecb/2023.12.si4.1843

Abstract

Recent studies have shown that the combination of wide-band gap photocatalyst and narrow-band gap semiconductors can collect visible light to enable charge separation and improve the efficiency of H2 generation. In this article we report excellent solar photocatalytic and photo-electrochemical activity of Ce-CdS/TiO2/Pt/FTO nano composites towards water splitting and hydrogen generation. Ce-CdS/TiO2/Pt/FTO nano composites of different Ce content were synthesized with doctorblade followed by Successiveioniclayeradsorptionandreaction(SILAR) Method.ThematerialsthussynthesizedwerecharacterizedusingvariousanalyticaltechniquessuchaspowderX-raydiffractionpattern(PXRD),HRTEM,XPSandRamanspectra.Themorphologyandmicrostructureof Ce-CdSTiO2/Ptcompositeswereinvestigatedbyscanningelectronmicroscope(SEM).20Ce-CdSTiO2/Pt/FTOcompositeshowsexcellentactivityforhydrogenevolution(43μmol/h/g).ActivitywasfoundtobedependentonthenumberofSILARcyclesandtheimmersiontime.Thedetailedmechanismofsolarwatersplittingon Ce-CdSTiO2/Pt/FTOwasalsostudied.

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