SIMPLE SYNTHESIS OF COPPER DOPED TITANIA PARTICLES PHOTOCATALYST AS A SURFACE FINISHING

C.Y. Leong, S.L. Lee, R.A. Wahab, P.W. Koh, Y.B. Chew, C.S. Chew

Abstract


The unprecedented planetary demand of the safe and effective personal protective equipment (PPE) associated with the emergence of COVID-19 has put the healthcare personnel in the risk of contracting infectious SARS-CoV-2. Besides, the extensive usage of single-use face mask as a public protective measure has as well impacted the environment by the surging solid waste generation. Due to these circumstances, an effective photocatalytic antibacterial material, specifically Cu-TiO2 particles, as a surface finishing for non-woven cotton fabric was introduced in this study. The material was synthesized via sonochemical method to allow the mass-production and commercialization in the industry to avail the mankind. The antibacterial results demonstrated that the non-woven cotton fabric coated with Cu-TiO2 photocatalytic antibacterial material displayed bacterial inhibition up to 99.99% efficiency against both the Gram-positive S. aureus and the Gram-negative K. pneumonia bacterial strains. As the synthesis method used in this research is simple and cost-effective, it grants the mass production of this material in the industry, and therefore able to solve the PPE shortage problem while protecting the environment by reducing the solid waste production.


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