Application of AgNPs-Doped MIL-53 in The Catalytic Reduction of Methylene Blue MB Dye

This work focuses on the preparation of MIL-53 material by hydrothermal route. The obtained material was used as a support for AgNPs silver nanoparticles. Several percentages of AgNPs (0.5%, 1%, 2%, and 3%) were dispersed on the surface of MIL-53 to study their catalytic behavior. The obtained solids were characterized by different characterization methods in order to determine their physicochemical properties. The parent material and its AgNPs-modified counterparts were tested as catalysts for the catalytic reduction of MB dye under the presence of NaBH4. The obtained results clearly showed the presence of AgNPs on the surface of MIL-53 after its chemical modification. The obtained results showed that the reduction of MB is favored by catalysts having a high content of AgNPs. A high conversion of MB dye to Leuco-MB was obtained in reaction time which did not exceed 5 min.