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Nanostructured Titanium Dioxide Films for Self-cleaning and Self-decontaminating Surfaces

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Dunlop, PSM, Byrne, JA, Hamilton, JWJ, Donaldson, A, Blair, IS, McAdams, ET and McLaughlin, JAD (2005) Nanostructured Titanium Dioxide Films for Self-cleaning and Self-decontaminating Surfaces. In: Nano and Hybrid Coatings. The Paint Research Association, P6-1-P6-6. ISBN 0-9543164-6-0 [Book section]

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Abstract

During the last two decades there have been numerous reports of the use of titanium dioxide photocatalysis to break down organic pollutants in water and air. Furthermore, photocatalysis has been reported to be effective for the inactivation of microorganisms (eg. bacteria, protozoa, yeast and fungi). Self-cleaning photocatalytic coatings offer benefits in many areas including the prevention of hospital-acquired infections, and in particular those infections associated with medical devices.This paper will present an overview of the mechanism of photocatalytic detoxification and the super hydrophilic effect observed on “self-cleaning” TiO2 films. Photocatalytic research at the University of Ulster has focused on the development and application of nanostructured titanium dioxide films across a wide range of applications, and in particular towards the development of self-decontaminating films. The inactivation of chlorine resistant pathogens in water and the use of photocatalytic films for self-cleaning/self-decontaminating coatings on medical devices are discussed. Finally a summary of the recent commercial developments in this area will be presented.

Item Type:Book section
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:14656
Deposited By:Dr Patrick Dunlop
Deposited On:27 Jul 2010 11:16
Last Modified:15 Jun 2011 10:52

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