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Solvothermal preparation, electronic structure and photocatalytic properties of PbMoO4 and SrMoO4

Paper ID Volume ID Publish Year Pages File Format Full-Text
47719 46481 2009 9 PDF Available
Title
Solvothermal preparation, electronic structure and photocatalytic properties of PbMoO4 and SrMoO4
Abstract

PbMoO4 and SrMoO4 particles were successfully prepared via a simple solvothermal process. The obtained samples were characterized by X-ray diffraction, Brunauer–Emmett–Teller (BET) surface area analysis, UV–vis diffuse reflectance spectroscopy, scanning electron microscopy and a photoluminescence technique with terephthalic acid. The as-prepared PbMoO4 samples show different photocatalytic activities for salicylic acid under UV light irradiation. PbMoO4 exhibits relatively high photocatalytic activity for salicylic acid, Rhodamine B and benzene. While, SrMoO4 possessing a similar structure to PbMoO4 shows negligible photocatalytic activity though they exhibit similar BET surface areas and morphologies. Theoretical calculations reveal that PbMoO4 contains higher dispersive valence and conduction bands than SrMoO4. The highly dispersive valence and conduction bands can lead to higher mobility of the photo-generated carries and therefore a better photocatalytic activity.

Keywords
Solvothermal process; Photocatalytic activity; Salicylic acid; PbMoO4; SrMoO4; Electronic structure
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Solvothermal preparation, electronic structure and photocatalytic properties of PbMoO4 and SrMoO4
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 91, Issues 1–2, 7 September 2009, Pages 135–143
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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100% Money Back Guarantee
Full-text PDF Download
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