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Antimicrobial Properties of Copper-Doped ZnO Coatings under Darkness and White Light Illumination

Hassan, IA; Sathasivam, S; Nair, SP; Carmalt, CJ; (2017) Antimicrobial Properties of Copper-Doped ZnO Coatings under Darkness and White Light Illumination. ACS Omega , 2 (8) pp. 4556-4562. 10.1021/acsomega.7b00759. Green open access

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Abstract

We report the first antimicrobial study of transparent and robust Cu-doped ZnO coatings that displayed potent antimicrobial activity that resulted in bacterial (Escherichia coli) reduction below detection limits within 6 h of illumination via a white light source that is found in hospital environments. The same bacterial reduction rate was observed even under darkness for 4.0 atom % Cu-doped ZnO films thus providing an efficient 24 h disinfection. All films were produced via a novel, inexpensive, and easily scalable route and were also thoroughly analyzed for their material properties.

Type: Article
Title: Antimicrobial Properties of Copper-Doped ZnO Coatings under Darkness and White Light Illumination
Open access status: An open access version is available from UCL Discovery
DOI: 10.1021/acsomega.7b00759
Publisher version: http://dx.doi.org/10.1021/acsomega.7b00759
Language: English
Additional information: This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
UCL classification: UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Maths and Physical Sciences
URI: http://discovery.ucl.ac.uk/id/eprint/1573288
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