کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
77496 49283 2016 11 صفحه PDF سفارش دهید دانلود کنید
عنوان انگلیسی مقاله ISI
Hydrogenated mixed phase Ag/TiO2 nanoparticle – A super-active photocatalyst under visible radiation with multi-cyclic stability
ترجمه فارسی عنوان
نانوذرات Ag/TiO2 فاز مخلوط هیدروژنه؛ یک فتوکاتالیست فوق العاده فعال تحت تابش قابل مشاهده با ثبات چند چرخه ای
کلمات کلیدی
محل اتصال فاز مخلوط. حساسیت نقره ای؛ هیدروژناسیون؛ قابل مشاهده فعال
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
چکیده انگلیسی


• Visible active hydrogenated co-junction of mixed phase TiO2 homojunction and Ag/TiO2 junction.
• Swift carrier injection by plasmonic nanostructure of semiconductor-metal Schottky junction.
• Robust multicyclic-stability of the catalyst under visible light.

The synergistic effect of silver nanoparticle sensitization and surface disordering of mixed phased titania makes it highly active photocatalyst under visible light. The physico-chemical analysis of the samples indicates that surface plasmon induced local field enhancement, reduction in the band gap due to hydrogenation, intrinsic band offset at the phase interface and the resultant swift migration of photo-generated carrier to catalyst surface makes the catalyst highly visible active. The photoactivity of the hydrogenated mixed phase Ag/TiO2 catalyst is found to be about ~28.2 times high compared to the reference catalyst DP25 in degradation of methylene blue under visible light irradiation while an opposite behavior is observed under UV light. One the most distinctive feature of the catalyst concluded on the basis of its reusability test is the multicyclic-stability of its performance under visible light which shows it to be robust.

A graphical representation of the photoactivity of all the catalysts under visible illumination and the schematic of the plasmonic metal–semiconductor Schottky junction.Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solar Energy Materials and Solar Cells - Volume 155, October 2016, Pages 117–127
نویسندگان
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