Chelated Palladium Nanoparticles on the Surface of Plasma-treated Polyethersulfone Membrane for an efficient Catalytic reaction

In this study, a novel method was reported for the use of polyethersulfone (PES) membranes in catalytic reactions with an enhanced distribution of Palladium Nanoparticles (NPs) on the surface and high catalytic activity. For this purpose, the hydroxyl groups created on the surface of polyethersulfone membranes via plasma, reacted with 3- (Aminopropyl)triethoxysilane (APTES) and subsequently with 2-pyridinecarbaldehyde. Finally, palladium immobilized on the surface by forming complex with previously formed nitrogen-containing ligands resulted in the formation of a kind of nano-palladium complex on the surface of plasma-treated PES membrane. For characterization of the membrane performance, the reduction of p-nitrophenol to p-aminophenol was utilized as a model reaction. The results showed that the complete reduction was achieved at a short time via Pd-chelated plasma-treated membrane. Furthermore, the rod-like structure of Pd was obtained as well as the sphere-like structure as a result of palladium chelating with nitrogen-containing ligands

کلیدواژه ها:

Polyethersulfone membrane ، Plasma treatment ، Chelating strategy ، Palladium nanoparticle ، Catalytic reaction