Fabrication of perovskite@MOF composites as an alternative for noble metal catalysts in hydrogenation of nitroarenes: An investigation of transition metals doping on catalytic performance and RSM modeling of reaction conditions

Catalytic Transformation of Nitroarenes to Amines over Ba(1−x)SrxTiO3 (0 < x < 1) Perovskites in Water

“…The specific molecular and electronic structure as well as dielectric properties of BST_70 change the electron density of the sample and could facilitate the generation of [H]abs species on the catalyst's surface and improve the reactivity of BST_70. So far, 4-NPh catalytic reduction has been achieved mainly by noble-metal-based nanocatalysts [5,7] or lanthanide-containing perovskites [14]. Recently, studies using perovskite BiFeO3-phase and mullite-type Bi2Fe4O9-phase were published [32].…”

“…So far, 4-NPh catalytic reduction has been achieved mainly by noble-metal-based nanocatalysts [5,7] or lanthanide-containing perovskites [14]. Recently, studies using perovskite BiFeO 3 -phase and mullite-type Bi 2 Fe 4 O 9 -phase were published [32].…”

“…In recent years, those consisting of rare earth and 3d transition metals are of interest and were used as a catalyst in various processes: oxygen reduction reaction [11], oxidation of toxic chlorinated aromatics [12] and decomposition of NO [13] among others. Also, perovskite (LaMnO 3 ) encapsulated into MOF-5 (containing Zn and terephthalic acid) pores was used as an alternative for noble metal catalysts in hydrogenation of nitroarenes [14]; the catalyst was able transform 80% of 4-NPh into 4-APh in 5 min. Similarly, to noble metals, the high price and scarcity of the lanthanides are the main problems that have hindered their large-scale industrial application.…”