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International Journal of Nanoscience and Nanotechnology (IJNN)، جلد ۷، شماره ۲، صفحات ۷۸-۸۶
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عنوان انگلیسی Formic Acid Decomposition Using Synthesized Ag/TiO2 Nanocomposite in Ethanol-Water Media Under Illumination of Near UV Light
چکیده انگلیسی مقاله The effect of ethanol-water media on the synthesis of Ag/TiO2 nanocomposite was investigated with 0.05, 0.1 and 0.5 (wt.%) of Ag content. Ethanol was used as hole-scavenger enhancing the photodecomposition of Ag+ ions under illumination of near-UV light. The nanocomposites were further calcined to 300˚C and 400˚C under controlled atmosphere. The synthesized nanocomposites were tested for photocatalytic efficiency decomposing formic acid as an organic pollutant under irradiation of a 4W near UV lamp with lmax at 365nm and the results were compared with that of non-modified commercially available Degussa TiO2 (P25). The synthesized nanocomposites were characterized using XRD and SEM micrographs. The photocatalytic studies have revealed a constant overall performance for all synthesized nanocomposites. The initial rate of decomposition was observed to increase with decreasing Ag content, in the case of 0.05 wt.% having the best initial rate. Calcination of the nanocomposites was found to have activating properties on the synthesized nanocomposites where nanocomposite with 0.05 (wt.%) Ag content calcined at 300°C was distinctively advantageous overother calcined nanocomposites.
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نویسندگان مقاله e پیپل زاده |
chemical engineering department, sahand university of technology, tabriz, i.r. iran nanostructure material research center nmrc , sahand university of technology, tabriz, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی سهند (Sahand university of technology)

m ولی زاده درخشان | valizadeh derakhshan
chemical engineering department, sahand university of technology, tabriz, i.r. iran nanostructure material research center nmrc , sahand university of technology, tabriz, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی سهند (Sahand university of technology)

علی اکبر بابالو | a a
chemical engineering department, sahand university of technology, tabriz, i.r. iran nanostructure material research center nmrc , sahand university of technology, tabriz, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی سهند (Sahand university of technology)

m حقیقی |
chemical engineering department, sahand university of technology, tabriz, i.r. iran nanostructure material research center nmrc , sahand university of technology, tabriz, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی سهند (Sahand university of technology)

a توکلی |
chemical engineering department, sahand university of technology, tabriz, i.r. iran nanostructure material research center nmrc , sahand university of technology, tabriz, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی سهند (Sahand university of technology)

نشانی اینترنتی http://www.ijnnonline.net/article_3944_00d686d587cfcd5a3a7d27ef13f08f90.pdf
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