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Karanveer Singh,Deepak Kukkar,Ravinder Singh,Preeti Kukkar,Nardev Bajaj,Jagpreet Singh,Mohit Rawat,Akshay Kumar,Ki-Hyun Kim 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.81 No.-
In this manuscript, we report the insitu growth of gold nanoparticles (GNPs) and silver nanoparticles(SNPs) over Ce/Tb-doped Y-benzene tricaroboxylate metal organic frameworks (MOF-76). Thephotocatalytic potential of these nanocomposites (NCs) was then assessed for the photocatalyticreduction of p-nitrophenol (p-NP) in aqueous medium. The NCs had large surface area to favorablyshowcase the efficient absorption of light energy. Correspondingly, it facilitated the electron transferbetween the valance and conduction bands to promote the reductive removal of p-NP. Among the testedcatalysts, GNPs@MOF-76 (Ce) (MOF-76(1a)) (dosage: 10 ml of 5 mg.ml 1) recorded the maximumcatalytic efficiency (96.3%) with an apparent rate constant (K0app: 0.33 min 1). Further, MOF-76 (1a) NCsexhibited good recyclability (e.g., a catalytic efficiency of 77.45% over 3 cycles). Moreover, the proposedNCs exhibited superior performance over commercial photocatalysts (e.g., p25 TiO2 nanopowder)towards p-NP reduction. As such, the results of this experimental study successfully demonstrated thesuperiority of the MOF immobilized nanoparticles (NPs) as an efficient platform for the removal ofindustrial grade pollutants.