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In Situ Green Synthesis of Pd Nanoparticles on Tannic Acid‐Modified Magnetite Nanoparticles as a Green Reductant and Stabilizer Agent: Its Application as a Recyclable Nanocatalyst (Fe 3 O 4 @TA/Pd) for Reduction of 4‐Nitrophenol and Suzuki Reactions
Author(s) -
Veisi Hojat,
Pirhayati Mozhgan,
Kakanejadifard Ali,
Mohammadi Pourya,
Abdi Mohammad Reza,
Gholami Javad,
Hemmati Saba
Publication year - 2018
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201702869
Subject(s) - palladium , tannic acid , x ray photoelectron spectroscopy , catalysis , adsorption , fourier transform infrared spectroscopy , nanomaterial based catalyst , nanoparticle , reducing agent , aqueous solution , scanning electron microscope , materials science , nuclear chemistry , selective catalytic reduction , chemical engineering , chemistry , inorganic chemistry , nanotechnology , organic chemistry , engineering , composite material
Tannic acid, as a humic‐like substance with phenolic hydroxyl and carbonyl functional groups, can modify surface of Fe 3 O 4 NPs. Moreover, it can improve surface properties and capacity of Fe 3 O 4 for adsorption and reduction of palladium ions through complexing with them, in aqueous solutions. Therefore, Fe 3 O 4 @TA NPs have potentials of reducing, stabilizing and immobilizing palladium nano particles to generate novel magnetic palladium nanocatalysts. Inductively coupled plasma (ICP), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X‐ray photoelectron spectroscopy (XPS), energy‐dispersive X‐ray spectrum (EDS), vibrating sample magnetometer (VSM) and Fourier transform infrared (FTIR) methods unraveled the catalyst properties. Investigation of Fe 3 O 4 @TA/Pd NPs performance illustrated its recycle nature and high catalytic activity towards Suzuki‐Miyaura cross‐coupling reactions and reduction of 4‐nitrophenol (4‐NP), at room temperature.