کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1641885 1517224 2016 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Enhanced visible light photocatalytic activity of W-doped porous g-C3N4 and effect of H2O2
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Enhanced visible light photocatalytic activity of W-doped porous g-C3N4 and effect of H2O2
چکیده انگلیسی


• W-doped porous g-C3N4 photocatalysts (W/PGCN) are prepared.
• W-doped promotes the separation of the photo-generated electrons and holes.
• Addition of appropriate H2O2 amount is beneficial for the photocatalytic activity.

W-doped porous g-C3N4 photocatalyst was prepared by a hydrothermal method and characterized by XRD, SEM, BET and XPS. Enhancement of degradation efficiency of methyl orange (MO) by H2O2 addition was evaluated. The degradation efficiency achieves 99.6% within 60 min under visible light. Based on first-order model, the rate constant (k) of the prepared composite is up to 3.12 times as high as that of porous g-C3N4. W-doped not only narrowed the band gap, but also promoted the separation of the photo-generated electrons and holes. The prepared photocatalyst has potential application for the wastewater treatment containing MO dye.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 164, 1 February 2016, Pages 127–131
نویسندگان
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