NOVEL SYNTHESIS OF S-DOPED ZnO NANOMATERIALS USING SELENICEREUS UNDATUS PEEL EXTRACT FOR ENHANCED UV PHOTOCATALYTIC DEGRADATION OF METHYL ORANGE. - Kistan, A.; Mahimairaj, P.; Mohan, S.; Jeevalatha, R.; Sivakumar, P. (Rasayan Journal of Chemistry, 2026)