Ag Nanoparticles Loaded on Porous Graphitic Carbon Nitride Nanosheets with Enhanced Photocatalytic Activity for Degradation of an Azo dye, RB5Under Visible Ight Irradiation
محل انتشار: بیست و یکمین کنفرانس شیمی فیزیک انجمن شیمی ایران
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 351
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شناسه ملی سند علمی:
ISPTC21_275
تاریخ نمایه سازی: 30 دی 1397
چکیده مقاله:
To address the increasing challenges of clean energy and environmental issues, thedevelopment of green technology is of prime importance [1]. Among all techniques, the visiblelight active (VLA) photocatalyts could convert directly solar energy to chemical energy. In thiswork, VLA photocatalysts, Ag-doped graphitic carbon nitride (g-C3N4) with different amounts ofsilver were prepared to degrade an azo dye, RB5 under visible light irradiation. The preparedphotocatalys were characterized by several techniques including X-ray diffraction, field emissionscanning microscopy, BET surface area, UV-Vis, and photoluminescence spectrophotometer.The photocatlyst containing 2% Ag showed the superior photocatalytic activity compared to g-C3N4 nanosheets and 1% Ag doped g-C3N4. The enhanced photocatalytic performance may bedue to the synergic effect between Ag and porous g-C3N4 for suppressing the recombination ofphotogenerated electron-hole pairs.
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نویسندگان
Fatemeh Asadi
Department of Chemistry, Ferdowsi University of Mashhad, Mashhad ۹۱۷۷۹۴۸۹۷۴, Iran
Elaheh K Goharshadi
Department of Chemistry, Ferdowsi University of Mashhad, Mashhad ۹۱۷۷۹۴۸۹۷۴, Iran