کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5350266 1503659 2014 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Ag deposited mixed phase titania visible light photocatalyst - Superiority of Ag-titania and mixed phase titania co-junction
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Ag deposited mixed phase titania visible light photocatalyst - Superiority of Ag-titania and mixed phase titania co-junction
چکیده انگلیسی


- Co-junction of mixed phase TiO2 homo-junction and plasmonic Ag/TiO2 junction formed.
- Photocatalytic activity compared with mixed phase TiO2 and monophasic plasmonic Ag/TiO2(A).
- Multiplying effect of co-junction on the activity under visible light illumination seen.

Photocatalyst nanoparticles of Ag deposited anatase titania with plasmonic junction and mixed phase titania with homo-junction were prepared and their physico-chemical characterization was done using different analytical techniques. Their photocatalytic performance in visible light was found to be comparable albeit ascribable to different junction characteristics with identical consequences in terms of photoactivity. It has been shown that co-junction of the combination of both in plasmonic Ag nanoparticle deposited mixed phase titania has a multiplying effect and yields a superior visible light photocatalyst. The combination showed 3.4 times more activity than the two in isolation in degradation of methylene blue. Standard photocatalyst Degussa P25 (DP25) is also used as a reference catalyst to compare the photoactivity.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 305, 30 June 2014, Pages 33-39
نویسندگان
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