有机无机双金属杂化粒子PS/Ag-SiO2-Au的制备

doi:10.11962/1006-4990.2019-0523

Abstract

Abstract:

PS/SiO₂-Au organic-inorganic hybrid particles were obtained by reacting organic polystyrene dimer（PsD） with inorganic SiO₂-Au particles.The snowman-shape of PsD particles and SiO₂-Au particles were obtained via seed emulsion polymerization and sol-gel method,respectively.On the basis of PS/SiO₂-Au particles,nano-sized Ag particles were supported on it to obtain bimetallic hybrid particles PS/Ag-SiO₂-Au.During the period,effects of the ratios between monomers and polymer seeds,the adding amount of ammonia on morphology of the organic and inorganic particles were discussed.Infrared（FT-IR）,scanning electron microscopy（SEM）,energy spectrum analysis（EDS）,transmission electron microscopy（TEM）and laser particle size tester（DLS） were used to characterize the structure,morphology,composition and size of the obtained particles.The prepared PS/Ag-SiO₂-Au hybrid particles will have potential applications in the field of catalysis.

Key words: polystyrene dimers, silica, hybrid particles

CLC Number:

TQ127.2

Mei Shuxing,Pang Shuanlin,Pan Mingwang,Xie Zhiyong,Li Zhishui. Preparation of PS/Ag-SiO₂-Au organic-inorganic bimetallic hybrid particles[J]. Inorganic Chemicals Industry, 2020, 52(9): 26-31.

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References 16

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Preparation of PS/Ag-SiO₂-Au organic-inorganic bimetallic hybrid particles

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Preparation of PS/Ag-SiO2-Au organic-inorganic bimetallic hybrid particles