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Sol–gel synthesis of a novel melon–SiO2 nanocomposite with photocatalytic activity

Paper ID Volume ID Publish Year Pages File Format Full-Text
51289 46837 2009 5 PDF Available
Title
Sol–gel synthesis of a novel melon–SiO2 nanocomposite with photocatalytic activity
Abstract

A simple sol–gel method, starting from thiourea, was used to prepare a SiO2-based nanocomposite that absorbs across the visible region after calcination at 500 °C. The UV–visible spectrum, elemental (N) analysis, thermogravimetric data, and FTIR indicate that the coloration derives from an overlayer of melon, a thermally-stable precursor of graphitic carbon nitride. XPS and solid-state 29Si NMR showed no evidence for surface or bulk doping by N or S. The nanocomposite has unexpectedly high photocatalytic activity in methylene blue degradation under visible light and is probably due to a synergism between melon and SiO2.

Keywords
Silicon dioxide; Visible light; Melon; Nanocomposite; Photocatalysts
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Sol–gel synthesis of a novel melon–SiO2 nanocomposite with photocatalytic activity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 14, 25 August 2009, Pages 1920–1924
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us