Efficient synthesis and structural characterization of silver nanoparticle/ bis(o-phenolpropyl)silicone composites |
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Authors: | Kim Myoung-Hee Woo Hee-Gweon Lee Byeong-Gweon Kim Do-Heyoung Yang Kap-Seung Kim Bo-Hye Park Yeong-Joon Ko Young Chun Roh Sung-Hee Sohn Honglae |
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Affiliation: | Alan G. MacDiarmid Energy Research Institute (AMERI) and Nanotechnology Research Center (NTRC), and Department of Chemistry, Chonnam National University, Gwangju 500-757, Korea. |
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Abstract: | Silver nanoparticle/bis(o-phenolpropyl)silicone composites have been synthesized by the reduction of silver nitrate with bis(o-phenolpropyl)silicone BPPS (o-phenolpropyl)2(SiMe2O)n, n = 2, 3, 8, 236]. TEM and FE-SEM data clearly show that the silver nanoparticles with the size of < 20 nm are well dispersed throughout the BPPS matrix in the composites. XRD patterns are consistent with those for multicrystalline silver. The size of silver nanoparticles increased with increasing the relative molar concentration of silver salts added. It was found that in the absence of BPPS, most of the silver nanoparticles undergo macroscopic precipitation by agglomeration, indicating that BPPS is essential to stabilize the silver nanoparticles. |
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