Worananthakij, Worakrit

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Worananthakij, Worakrit
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worakrit.wo@kmitl.ac.th

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    Item type:Publication,
    Highly transparent flexible CuI film for antibacterial applications
    (2022-02-01)
    Worananthakij, Worakrit
    ;
    Manklinniam, Piyapan
    ;
    Limsuwan, Pichet
    ;
    Sakulkalavek, Aparporn
    ;
    Sakdanuphab, Rachsak
    In this study, the CuI film was firstly revealed to have significant antibacterial activity. The as-prepared CuI thin films on flexible plastic (polyvinylchloride, PVC) substrates were developed by the liquid iodination method. This method is simple, low-cost and environmentally friendly to fabricate flexible CuI films. A suitable reaction time between the Cu<inf>3</inf>N precursor and aqueous iodine solution is the key parameter for developing highly transparent CuI films, and an average transmittance in visible spectrum was higher than 85%. In addition, the CuI films have prominent antibacterial effects against Staphylococcus aureus and Escherichia coli. These properties indicate that CuI films are promising for built-in application to top layer displays in public places, such as hotel and department stores, ticket machines and touch screens in smart devices.