MoO_2(acac)_2@Fe_3O_4/SiO_2/HPG/COSH nanostructures: novel synthesis, characterization and catalyst activity for oxidation of olefins and sulfides

Nazanin Sadri; Majid Moghadam; Ali Abbasi

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MoO_2(acac)_2@Fe_3O_4/SiO_2/HPG/COSH nanostructures: novel synthesis, characterization and catalyst activity for oxidation of olefins and sulfides

机译：MoO_2（acac）_2 @ Fe_3O_4 / SiO_2 / HPG / COSH纳米结构：新颖的合成，表征和催化活性的烯烃和硫化物的氧化。

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In this study, synthesis of a molybdenum (Mo) based catalyst immobilized on modified magnetic nanoparticles with hyperbranched polyglycerol is reported. Structure and morphology of the as prepared catalyst were characterized by Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron microscopy, scanning electron microscopy, inductively coupled plasma, CHNS and TGA analyses. Catalytic activities of the as synthesized nanocatalyst were investigated in the epoxidation of alkenes and oxidation of sulfides with tert -butyl hydroperoxide. This catalytic system exhibits excellent yields, easy separation and great reusability without significant loss of its catalytic activity.

机译：在这项研究中，报道了用超支化聚甘油固定化在改性磁性纳米粒子上的钼（Mo）基催化剂的合成。通过傅立叶变换红外光谱（FT-IR），X射线衍射（XRD），透射电子显微镜，扫描电子显微镜，电感耦合等离子体，CHNS和TGA分析来表征所制备的催化剂的结构和形态。研究了合成的纳米催化剂在烯烃的环氧化和硫化叔丁基过氧化氢的氧化中的催化活性。该催化体系具有极佳的收率，易于分离和可重用性，而不会显着降低其催化活性。

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《Journal of materials science》 |2018年第14期|11991-12000|共10页
作者
Nazanin Sadri; Majid Moghadam; Ali Abbasi;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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2. Synthesis, characterization of high Ti-containing Ti-MCM-41 catalysts and their activity evaluation in oxidation of cyclohexene and epoxidation of higher olefins [J] . M. Ramakrishna Prasad, G. Madhavi, A. Ramachander Rao, Journal of porous materials . 2006,第1期

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4. THE EFFECT OF PREPARATION METHODS ON ACTIVITY AND SELECTIVITY OF IRON-CERIUM OXIDE CATALYSTS IN LIGHT OLEFINS FUELS SYNTHESIS FROM HYDROGENATION OF CO [C] . Ali. A Mirzaei, Adel Beigbabaei, Maryam Galavy World hydrogen energy conference;WHEC 2008 . 2008

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MoO_2(acac)_2@Fe_3O_4/SiO_2/HPG/COSH nanostructures: novel synthesis, characterization and catalyst activity for oxidation of olefins and sulfides

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