Herath,HasithaPasindu Viduranga,T.A.VYapa,PiyumikaMunaweera,ImalkaSamarakoon,Upeka2025-09-162025-09-162025-05https://dr.ichemc.ac.lk/handle/123456789/433Page 50 Abstract No: 2025_299ZnO exhibits remarkable photocatalytic and antimicrobial activity as a nanomaterial for diverse applications, including environmental remediation, healthcare, and sustainable energy solutions. However, a major problem with ZnO photocatalyst is that it is active only under UV irradiation owing to its high band gap.enZinc oxideCopperPhotocatalytic Antimicrobial activityBand gap energy activityArticle