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Sulfur- and Nitrogen-Doped Titania Biomaterials via APCVD

Dunnill, CW; Aiken, ZA; Pratten, J; Wilson, M; Parkin, IP; (2010) Sulfur- and Nitrogen-Doped Titania Biomaterials via APCVD. CHEM VAPOR DEPOS , 16 (1-3) 50 - 54. 10.1002/cvde.200906836.

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Abstract

A comparison between two of the best performing photocatalysts in a series of nitrogen- and sulfur-doped titania visible light photocatalysts prepared by atmospheric pressure (AP)CVD is made against a sample of pure undoped titania. This study compares the ability of the samples to photo-oxidize stearic acid and kill Escherichia coli bacteria using white light sources commonly found in UK hospitals. It is shown that both nitrogen- and sulfur-doped photocatalysts are bioactive with extraordinarily similar properties though the nitrogen-doped samples are found to perform very slightly better than the sulfur-doped samples. These materials are suggested for use as anti-microbial surfaces in healthcare environments and as self-cleaning glass.

Type:Article
Title:Sulfur- and Nitrogen-Doped Titania Biomaterials via APCVD
DOI:10.1002/cvde.200906836
Keywords:antimicrobial materials, doped titanium dioxide, thin films, visible light photocatalysts, biomaterials, INDUCED PHOTOCATALYTIC DISINFECTION, VISIBLE-LIGHT PHOTOCATALYSIS, CHEMICAL-VAPOR-DEPOSITION, SEMICONDUCTOR PHOTOCATALYSIS, ESCHERICHIA-COLI, T-BUTYLAMINE, TIO2 FILMS, DIOXIDE, CARBON, INACTIVATION
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Eastman Dental Institute > Microbial Diseases
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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