ACS_ Appliced Nano Materials

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ACS_ Appliced Nano Materials


July 22, 2022

Volume 5, Issue 7

Pages 8649-10096



Ultraviolet–Ozone-Activation-Driven Ag Nanoparticles Grown on Plastic Substrates for Antibacterial Applications


A simple, cheap, and environment-friendly method is developed to fabricate antibacterial plastic films or fibers. We report a robust method to decorate silver nanoparticles (AgNPs) on plastics or fibers, which is achieved easily by dipping ultraviolet–ozone (UVO)-treated plastic films or fibers into a silver nitrate solution under mild conditions. Apart from silver nitrate, neither a stabilizer nor a reducing agent is required, and no post-treatment is required to reduce the Ag+ ions into AgNPs. The only process required is the pre-treatment of the plastic substrates using UVO under an ambient condition for their surface activation. Most importantly, the AgNP-coated plastics show a robust adhesion ability and high bactericidal activity, more than 99% toward both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus. Because the AgNP-decoration on plastic substrates by UVO-treatment is environmentally benign, highly reproducible, economically beneficial, and universally acceptable for many kinds of plastic substrates, it could be widely utilized for producing AgNP-coated plastics suitable for biological and environmental applications in both academics and industries.


  • G. Murali
  • Miyeon Lee
  • Jeevan Kumar Reddy Modigunta
  • Byungin Kang
  • Jiyeong Kim
  • Eunji Park
  • Hansol Kang
  • Jihoon Lee
  • Young Ho Park
  • Sung Young Park
  • Insik In


Ultraviolet–Ozone-Activation-Driven Ag Nanoparticles Grown on Plastic Substrates for Antibacterial Applications | ACS Applied Nano Materials