Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol
Magnetic iron-oxide nanoparticles stabilized by imine or amine ligands containing ferrocene moieties were synthesized and characterized by FTIR, XRD, AAS, TEM, vibrating sample magnetometer (VSM) and Mössbauer spectroscopy. The oxidation of benzyl alcohol was carried out in the presence of the synth...
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th-mahidol.139072018-06-11T11:42:41Z Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol Choavarit Kamonsatikul Tossapol Khamnaen Phairat Phiriyawirut Sumate Charoenchaidet Ekasith Somsook Mahidol University Thai Polyethylene Co. Chemical Engineering Chemistry Magnetic iron-oxide nanoparticles stabilized by imine or amine ligands containing ferrocene moieties were synthesized and characterized by FTIR, XRD, AAS, TEM, vibrating sample magnetometer (VSM) and Mössbauer spectroscopy. The oxidation of benzyl alcohol was carried out in the presence of the synthesized magnetic nanoparticles with or without ferrocene moieties as nanocatalysts and H 2 O 2 as oxidant. The synergistic activities between magnetic nanoparticles and ferrocene moieties in the stabilizing ligands were observed in this nanocatalysis. It turned out that the conversions of benzyl alcohol and the selectivities of benzaldehyde in the nanocatalytic systems with magnetic iron-oxide nanoparticles stabilizing by ligands containing ferrocene moieties were enhanced significantly than the ferrocene-free nanocatalytic systems. The nanocatalysis was proposed to be proceeded via first adsorption of benzyl alcohol on the surface of nanoparticles and then Fenton-typed reactions operating at both magnetic iron-oxide nanoparticles and ferrocene moieties. Ferrocene moieties play an important role in the nanocatalysis for the enhanced selectivity of benzaldehyde by their synergistic interactions to magnetic iron-oxide nanoparticles. Accordingly, the enhanced catalytic activity of nanocatalysts can be achieved by tuning the structure of stabilizing ligands surrounding to nanoparticles. © 2012 Elsevier B.V. All rights reserved. 2018-06-11T04:41:30Z 2018-06-11T04:41:30Z 2012-09-05 Article Catalysis Communications. Vol.26, (2012), 1-5 10.1016/j.catcom.2012.04.016 15667367 2-s2.0-84861334273 https://repository.li.mahidol.ac.th/handle/123456789/13907 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84861334273&origin=inward |
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Chemical Engineering Chemistry Choavarit Kamonsatikul Tossapol Khamnaen Phairat Phiriyawirut Sumate Charoenchaidet Ekasith Somsook Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
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Magnetic iron-oxide nanoparticles stabilized by imine or amine ligands containing ferrocene moieties were synthesized and characterized by FTIR, XRD, AAS, TEM, vibrating sample magnetometer (VSM) and Mössbauer spectroscopy. The oxidation of benzyl alcohol was carried out in the presence of the synthesized magnetic nanoparticles with or without ferrocene moieties as nanocatalysts and H 2 O 2 as oxidant. The synergistic activities between magnetic nanoparticles and ferrocene moieties in the stabilizing ligands were observed in this nanocatalysis. It turned out that the conversions of benzyl alcohol and the selectivities of benzaldehyde in the nanocatalytic systems with magnetic iron-oxide nanoparticles stabilizing by ligands containing ferrocene moieties were enhanced significantly than the ferrocene-free nanocatalytic systems. The nanocatalysis was proposed to be proceeded via first adsorption of benzyl alcohol on the surface of nanoparticles and then Fenton-typed reactions operating at both magnetic iron-oxide nanoparticles and ferrocene moieties. Ferrocene moieties play an important role in the nanocatalysis for the enhanced selectivity of benzaldehyde by their synergistic interactions to magnetic iron-oxide nanoparticles. Accordingly, the enhanced catalytic activity of nanocatalysts can be achieved by tuning the structure of stabilizing ligands surrounding to nanoparticles. © 2012 Elsevier B.V. All rights reserved. |
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Mahidol University |
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Mahidol University Choavarit Kamonsatikul Tossapol Khamnaen Phairat Phiriyawirut Sumate Charoenchaidet Ekasith Somsook |
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Choavarit Kamonsatikul Tossapol Khamnaen Phairat Phiriyawirut Sumate Charoenchaidet Ekasith Somsook |
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Choavarit Kamonsatikul |
title |
Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
title_short |
Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
title_full |
Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
title_fullStr |
Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
title_full_unstemmed |
Synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
title_sort |
synergistic activities of magnetic iron-oxide nanoparticles and stabilizing ligands containing ferrocene moieties in selective oxidation of benzyl alcohol |
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2018 |
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https://repository.li.mahidol.ac.th/handle/123456789/13907 |
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1763487349508931584 |