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.
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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.
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