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Facile Water-Based Strategy for Synthesizing MoO3-x Nanosheets: Efficient Visible Light Photocatalysts for Dye Degradation
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Alexandria University, Egypt.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 62018 (English)In: ACS omega, ISSN 2470-1343, Vol. 3, no 2, p. 2193-2201Article in journal (Refereed) Published
Abstract [en]

Nanostructured molybdenum oxides are promising materials for energy storage, catalysis, and electronic-based applications. Herein, we report the synthesis of MoO3-x nanosheets (x stands for oxygen vacancy) via an environmentally friendly liquid exfoliation approach. The process involves the reflux of the bulk alpha-MoO3 precursor in water at 80 degrees C for 7 days. Electron microscopy and atomic force microscopy show that the MoO3-x nanosheets are a few nanometer thick. MoO3-x nanosheets exhibit near infrared plasmonic property that can be enhanced by visible light irradiation for a short time (10 min). Photocatalytic activity of MoO3-x nanosheets for organic dye decolorization is examined using two different dyes (rhodamine B and methylene blue). Under visible light irradiation, MoO3-x nanosheets make a rapid decolorization for the dye molecules in less than 10 min. The simple synthesis procedure of MoO3-x nanosheets combined with their remarkable photochemical properties reflect the high potential for using the nanosheets in a variety of applications.

Place, publisher, year, edition, pages
2018. Vol. 3, no 2, p. 2193-2201
Keywords [en]
Catalysts, Electron microscopy, Photocatalysis
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-156012DOI: 10.1021/acsomega.8b00012ISI: 000427936300090OAI: oai:DiVA.org:su-156012DiVA, id: diva2:1204569
Available from: 2018-05-08 Created: 2018-05-08 Last updated: 2018-12-04Bibliographically approved
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Etman, Ahmed S.Abdelhamid, Hani NasserZou, XiaodongSun, Junliang
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