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Solar-based photoreduction of methyl orange using zeolite supported photocatalytic materials

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Title Solar-based photoreduction of methyl orange using zeolite supported
photocatalytic materials
 
Creator Chatti, Ravikrishna
Rayalu, S
Dubey, Nidhi
Labhsetwar, Nitin
Devotta, S
 
Subject Materials Science
 
Description A new class of novel photocatalysts has been prepared by supporting TiO2 on the zeolite matrix by various routes of synthesis.
Different transition metals like cobalt, nickel, and ruthenium have been incorporated in these photocatalysts, alongwith molybdenum
based heteropolyacid (HPA) to improve the photocatalytic activity of these materials. Photoreduction of methyl orange under solar
radiation was compared with photoreduction in presence of artificial visible light illumination to evaluate their photocatalytic activity.
The quantity of methyl orange photoreduced by the cobalt containing photocatalyst was about 2.40 mg/g of TiO2 under the influence of
sunlight as compared to 4.111 mg/g of TiO2 under artificial visible light illumination. However, the efficiency of the photocatalyst is high
as compared to P25 TiO2 under solar light (0.508 mg/g of TiO2). The high photocatalytic activity of these materials is due to the
synergistic effect of incorporation of transition metals in combination with TiO2 and HPA supported by the zeolite matrix. These
materials are being evaluated for photocatalytic water splitting.
 
Publisher Elsevier
 
Date 2007-01-23
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/990/1/10.1016%40j.solmat.2006.08.009.pdf
Chatti, Ravikrishna and Rayalu, S and Dubey, Nidhi and Labhsetwar, Nitin and Devotta, S (2007) Solar-based photoreduction of methyl orange using zeolite supported photocatalytic materials. Solar Energy Materials & Solar Cells, 91 (2-3). pp. 180-190. ISSN 0927-0248
 
Relation https://www.journals.elsevier.com/solar-energy-materials-and-solar-cells
http://neeri.csircentral.net/990/