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2011-Sustainable Industrial Processing Summit
|Publisher:||Flogen Star OUTREACH|
|ISSN:||2291-1227 (Metals and Materials Processing in a Clean Environment Series)|
A composite Ag-TiO2 photocatalyst was synthesized by photodeposition of nanocrystals of Ag (2-4 nm) from a solution on a suspension of TiO2 nanopowder (20-25nm). The composite photocatalyst powder was characterised by transmission electron microscopy and X-ray diffraction. The principle for generating hydrogen from an aqueous suspension of Ag-TiO2 by photocatalytic redox reduction reaction is discussed. Based on observation of gas formation, calculations are presented accounting for the observation.