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Photocatalytic composites of silicone nanofilaments and TiO2Nanoparticles


Meseck, Georg R; Kontic, Roman; Patzke, Greta R; Seeger, Stefan (2012). Photocatalytic composites of silicone nanofilaments and TiO2Nanoparticles. Advanced Functional Materials, 22(21):4433-4438.

Abstract

Nanoscale TiO 2 photocatalysts are key materials for convenient wastewater treatment and other essential cleaning processes. Immobilization of TiO 2 nanoparticles (NPs) is thus indispensable for the facile handling and separation of nanocatalysts as well as for minimizing their potential health and environmental hazards. Silicone nanofi laments are introduced as a new fl exible carrier type for titania NPs because they are compatible with a wide range
of substrates and they display high chemical stability. TiO 2 -NPs are deposited on glass slides covered with thin carpets of silicone nanofi laments in a single reaction step starting from TiF 4 and optimized ethanol/water ratios.
The resulting composites are characterized using a wide range of electron microscopy and other analytical techniques, and their photocatalytic activity
in the decomposition of methylene blue (MB) is superior to immobilized TiO 2 references on plain substrates.

Abstract

Nanoscale TiO 2 photocatalysts are key materials for convenient wastewater treatment and other essential cleaning processes. Immobilization of TiO 2 nanoparticles (NPs) is thus indispensable for the facile handling and separation of nanocatalysts as well as for minimizing their potential health and environmental hazards. Silicone nanofi laments are introduced as a new fl exible carrier type for titania NPs because they are compatible with a wide range
of substrates and they display high chemical stability. TiO 2 -NPs are deposited on glass slides covered with thin carpets of silicone nanofi laments in a single reaction step starting from TiF 4 and optimized ethanol/water ratios.
The resulting composites are characterized using a wide range of electron microscopy and other analytical techniques, and their photocatalytic activity
in the decomposition of methylene blue (MB) is superior to immobilized TiO 2 references on plain substrates.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2012
Deposited On:19 Feb 2013 10:14
Last Modified:07 May 2017 05:27
Publisher:Wiley-Blackwell
ISSN:1616-301X
Publisher DOI:https://doi.org/10.1002/adfm.201200816

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