Nano-Magnetic NiFe2O4 and Its Photocatalytic Oxidation of Vanillyl Alcohol-Synthesis, Characterization, and Application in the Valorization of Lignin

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Al-Hunaiti , A , Ghazzy , A , Sweidan , N , Mohaidat , Q , Bsoul , I , Mahmood , S & Hussein , T 2021 , ' Nano-Magnetic NiFe2O4 and Its Photocatalytic Oxidation of Vanillyl Alcohol-Synthesis, Characterization, and Application in the Valorization of Lignin ' , Nanomaterials , vol. 11 , no. 4 , 1010 . https://doi.org/10.3390/nano11041010

Title: Nano-Magnetic NiFe2O4 and Its Photocatalytic Oxidation of Vanillyl Alcohol-Synthesis, Characterization, and Application in the Valorization of Lignin
Author: Al-Hunaiti, Afnan; Ghazzy, Asma; Sweidan, Nuha; Mohaidat, Qassem; Bsoul, Ibrahim; Mahmood, Sami; Hussein, Tareq
Other contributor: University of Helsinki, Air quality research group

Date: 2021-04-15
Language: eng
Number of pages: 16
Belongs to series: Nanomaterials
ISSN: 2079-4991
DOI: https://doi.org/10.3390/nano11041010
URI: http://hdl.handle.net/10138/331695
Abstract: Here, we report on a phyto-mediated bimetallic (NiFe2O4) preparation using a Boswellia carterii extract, which was characterized by XRD, FT-IR, TGA, electron microscopy, magnetic spectroscopy, and Mössbauer spectroscopy measurements. The prepared nano-catalysts were tested for oxidation of lignin monomer molecules—vanillyl alcohol and cinnamyl alcohol. In comparison with previously reported methods, the nano NiFe2O4 catalysts showed high photocatalytic activity and selectivity, under visible light irradiation with a nitroxy radical initiator (2,2,6,6-tetramethylpiperidinyloxy or 2,2,6,6-tetramethylpiperidine 1-oxyl; TEMPO) at room temperature and aerobic conditions. The multifold advantages of the catalyst both in terms of reduced catalyst loading and ambient temperature conditions were manifested by higher conversion of the starting material.
Subject: 114 Physical sciences
synthesis
characterization
aerobic
TEMPO
green catalyst
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