Preparation of Au Nanoparticles on Surface of Two Supports by Adsorption Phase Synthesis | Zendy

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Preparation of Au Nanoparticles on Surface of Two Supports by Adsorption Phase Synthesis

Author(s) -

Jiang Xin,

Wang Ting,

Chen Shi

Publication year - 2010

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.201090256

Subject(s) - chemistry , adsorption , isoelectric point , nanoparticle , morphology (biology) , phase (matter) , chemical engineering , surface modification , layer (electronics) , organic chemistry , biology , engineering , genetics , enzyme

By utilizing adsorption phase synthesis (APS), Au nanoparticles were prepared on the surface of SiO 2 with or without modification by Ni(OH) 2 . TEM, XRD, and UV‐vis were employed to characterize the morphology of Au particles on the surface of two kinds of supports. The results showed that the average size of Au particles on the SiO 2 surface modified by Ni(OH) 2 was less than 5 nm. Due to high surface isoelectric point, Au particles formed in the adsorption layer were prone to distribute on the surface of SiO 2 modified by Ni(OH) 2 . With content of Ni(OH) 2 in samples increasing, more Au particles with small size appeared on the support surface.

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