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Journal of Nanostructures، جلد ۹، شماره ۴، صفحات ۶۰۰-۶۰۹
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عنوان انگلیسی Effect of hydrothermal reaction temperature on the photocatalytic properties of CdWO4-RGO nanocomposites
چکیده انگلیسی مقاله Cadmium tungstate (CdWO4) nanorods and CdWO4-reduced graphene oxide (RGO) nanocomposites have been prepared by the hydrothermal method at 140, 160 and 180 oC reaction temperatures. The synthesized samples were characterized by X-ray powder diffraction, scanning electron microscopy (SEM), Fourier transform infrared, photoluminescence spectroscopy and Raman spectroscopy. SEM image showed the pure sample consist of nanorods with 50-100 nm diameter and ~1 µm length. The images of the nanocomposite samples clearly showed existence of CdWO4 nanorods and graphene sheets together. The photocatalytic activities of the as-prepared samples were investigated by degradation of methylene blue under the visible light irradiation. An enhancement in photocatalytic activity was observed with CdWO4-RGO nanocomposites in compare with the pure CdWO4. The effect of reaction temperature on the photocatalytic activity of the prepared nanocomposites was also investigated. The results showed that the CdWO4-RGO sample which prepared at 160 oC has more catalytic activity than the other samples.
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نویسندگان مقاله Mohammad Taghi Tourchi Moghadam |
Department of Physics, Iran University of Science and Technology, Tehran, Iran

Mohsen Babamoradi |
Department of Physics, Iran University of Science and Technology, Tehran, Iran

Rouhollah Azimirad |
Maleke-Ashtar University of Technology, Tehran, Iran

نشانی اینترنتی http://jns.kashanu.ac.ir/article_63766_81fc288b13e0796e2507a28d35cfecf3.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/497/article-497-2145473.pdf
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