期刊
STRUCTURAL CHEMISTRY
卷 22, 期 1, 页码 11-15出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11224-010-9671-1
关键词
Silver nanoparticles; Butylated hydroxytoluene; Nanocomposites; Poly(methyl methacrylate)
Silver nanoparticles (Ag NPs) were efficiently generated by in situ reduction of silver ions via butylated hydroxytoluene (BHT), in poly(methyl methacrylate). The characterization of Ag/PMMA by TEM, SEM, XRD, and FTIR indicated that Ag NPs with a face center cubic (fcc) crystal structure and a mean diameter of about 30 nm were dispersed in PMMA matrix with a relatively uniform distribution. In addition, the results of UV-Vis spectroscopy indicated that optical properties of the nanocomposite appeared mainly dependent on the reaction time and temperature. Increasing the reaction time and temperature make higher yield of Ag NPs. A provisional reduction mechanism was also proposed for the formation of the Ag NPs.
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