Titania-based Photocatalytic Coatings on Stainless Steel Hospital Fixtures

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dc.contributor.authorKrumdieck SP
dc.contributor.authorMiya SS
dc.contributor.authorLee D
dc.contributor.authorDavies-Talwar S
dc.contributor.authorBishop CM
dc.date.accessioned2017-07-31T23:58:47Z
dc.date.available2017-07-31T23:58:47Z
dc.date.issued2015en
dc.date.updated2017-06-25T20:50:44Z
dc.description.abstractA scaled-up pulsed-pressure MOCVD system was used to deposit TiO2 coatings from tetra-isopropoxide precursor solution on stainless steel substrates and on 3- D objects. The objective of the work is the production of antimicrobial coatings for handles in health care facilities. Antimicrobial coatings are sought to manage the transmission of hospital acquired infections (HAI’s), which are reported to cost around one million pounds per annum in the UK alone. Titania is a promising material for this application due to the photocatalytic production of reactive oxygen species that are crucial for the destruction of organic pathogens. TiO2 coatings of 0.2 to 13 μm thickness were deposited at temperatures between 375 oC and 475 oC. The crystallite size and photocatalytic activity are influenced by deposition temperature. No dependence of stoichiometry on the deposition temperature has been observed. The films on stainless steel exhibit reasonably good photocatalytic performance. The photocatalytic performance and the stoichiometry improve with the film thickness. A three dimensional object (door handle) was coated with good conformity. The reactor scale-up for coating production on door handles is proposed for future wear and hygiene performance testing.en
dc.identifier.citationKrumdieck SP, Miya SS, Lee D, Davies-Talwar S, Bishop CM (2015). Titania-based Photocatalytic Coatings on Stainless Steel Hospital Fixtures. Sempach, Switzerland: 20th Biennial European Conference on Chemical Vapour Deposition (EuroCVD 20). 13/7/2015-17/7/2015.en
dc.identifier.urihttp://hdl.handle.net/10092/13746
dc.language.isoen
dc.subjectphotocatalyticen
dc.subjectTiO2en
dc.subjectpp-MOCVDen
dc.subjectprocessingen
dc.subject.anzsrcFields of Research::34 - Chemical sciences::3406 - Physical chemistry::340601 - Catalysis and mechanisms of reactionsen
dc.subject.anzsrcFields of Research::40 - Engineering::4004 - Chemical engineering::400408 - Reaction engineering (excl. nuclear reactions)en
dc.subject.anzsrcField of Research::09 - Engineering::0912 - Materials Engineeringen
dc.subject.anzsrcField of Research::11 - Medical and Health Sciences::1108 - Medical Microbiology::110802 - Medical Infection Agents (incl. Prions)en
dc.titleTitania-based Photocatalytic Coatings on Stainless Steel Hospital Fixturesen
dc.typeConference Contributions - Otheren
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