Journal of Surface Science and Technology

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Study of CdS-ZnS Photocatalyst Loaded with Pd & Pt Embedded on Immobilized Matrix for Decomposition of Na2S-Na2SO3 Solution by Solar Energy using Different Sacrificial Substrates and Photosensitiser


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1 Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, West Bengal, India
     

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Mixed CdS-ZnS photocatalyst (1 : 4 molar ratio) and Pt, Pd loaded mixed semiconductor photocatalysts immobilized on Whatmann No. 1 fitter paper matrix were prepared. Photocatalytic production of hydrogen from Na2S-Na2SO3 solution by immobilized photocatalyst using sacrificial agents like EDTA, oxalate, formate etc. and photosensitiser like Ru(bipy)3Cl2 were studied. The maximum photoproduction of hydrogen obtain when mixed CdS-ZnS loaded with Pt (1.5 wt%) photocatalyst immobilized in Whatman No.1 filter paper matrix was used with Ru (bipy)3Cl2.

Keywords

Mixed CdS-ZnS, Hydrogen Production, Electron-Hole Transfer.
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  • Study of CdS-ZnS Photocatalyst Loaded with Pd & Pt Embedded on Immobilized Matrix for Decomposition of Na2S-Na2SO3 Solution by Solar Energy using Different Sacrificial Substrates and Photosensitiser

Abstract Views: 281  |  PDF Views: 2

Authors

Gobinda Chandra De
Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, West Bengal, India
Pushpita Roy
Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, West Bengal, India
Anadi Mohan Roy
Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, West Bengal, India

Abstract


Mixed CdS-ZnS photocatalyst (1 : 4 molar ratio) and Pt, Pd loaded mixed semiconductor photocatalysts immobilized on Whatmann No. 1 fitter paper matrix were prepared. Photocatalytic production of hydrogen from Na2S-Na2SO3 solution by immobilized photocatalyst using sacrificial agents like EDTA, oxalate, formate etc. and photosensitiser like Ru(bipy)3Cl2 were studied. The maximum photoproduction of hydrogen obtain when mixed CdS-ZnS loaded with Pt (1.5 wt%) photocatalyst immobilized in Whatman No.1 filter paper matrix was used with Ru (bipy)3Cl2.

Keywords


Mixed CdS-ZnS, Hydrogen Production, Electron-Hole Transfer.