o:3362 Kompozitni materijali na bazi metalnih oksida i derivata grafita: sinteza, karakterizacija i primena Compozite materials based on metal oxides and graphite derivatives: synthesis, characterization and application : doctoral dissertation sr The aim of this doctoral dissertation was to develop composites basedon graphite and its derivatives, modified with TiO2, ZrO2, and ZnOoxides, for application in the sorption removal and photocatalyticdegradation of textile dyes from aqueous solutions. The base graphitematerial was synthesized by a modified Hummers-Offeman methodusing waste graphite powder, while the metal oxide composites wereprepared by a modified sol-gel method followed by reflux treatment.The synthesized materials were characterized by SEM, XRD, FTIR,N₂ adsorption/desorption analysis, and acid-base analysis, confirmingthat modification with metal oxides led to enhanced surfacedevelopment, changes in pore structure and surface properties, as wellas the formation of functional bonds between the graphite matrix andthe oxide phases. The applicability of the obtained materials wasexamined in the processes of sorption and photocatalysis of thecationic dye Methylene Blue and the anionic dye Reactive Blue 19.The obtained results confirm that the synthesized graphite-dominantcomposites containing metal oxides represent cost-effective,sustainable, and functional materials with significant potential forapplication in the treatment of dye-contaminated wastewater, andshow that the choice of metal oxide dopant determines the selectivityof the composites toward the type of pollutant. Bibliografija: str. 173-178.Biografija: 171-172. Datum odbrane: 18.06.2026. Applied chemistry 91552100 198648585 91552101 8858 2026-10-15T15:52:03.053Z 45 no 46 Katarina, 1993- Stepić 140012297 2026 63 mentor Aleksandra, 1975- Zarubica 11093863 2026 63 mentor Маrjan S., 1982- Ranđelović 20939111 2026 63 član komisije Aleksandar, 1966- Bojić 13716327 2026 63 član komisije Radomir, 1984- Ljupković 31096423 2026 63 član komisije Miloš, 1983- Marinković 23842663 2026 178 str. 3921288 http://phaidrani.ni.ac.rs/o:3362 no yes 12 2026-10-15T15:52:03.320Z 70 grafitni kompozit, oksidi metala, hemijska modifikacija,sorpcija, fotokataliza, metilen plavo, reaktivna plava 19,sorpciona ravnoteža, kinetika graphite composite, metal oxides, chemical modification, sorption,photocatalysis, methylene blue, reactive blue 19, sorptionequilibrium, kinetics 546.7+546.26-162]:66.017(043) Р 003 1738 18A07 18A0703 2026