Synthesis of core-shell silver colloidal particles by surface immobilization of an azo-initiator |
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| Authors: | Hua Bao George Chumanov Richard Czerw David L. Carroll Stephen H. Foulger |
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| Affiliation: | (1) School of Materials Science and Engineering, Center for Optical Materials Science and Engineering Technologies, Clemson University, Clemson, SC 29634, USA;(2) School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P.R. China;(3) Department of Chemistry, Clemson University, Clemson, SC 29634, USA;(4) Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, USA |
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| Abstract: | Silver nanoparticles, with the diameter of approximately 100 nm, were coated with a 5–10 nm layer of poly(styrene-co-4-styrenesulfonic acid sodium salt). Polymerization was initiated on the particles by a surface adsorbed 4,4 -azobis(4-cyanovaleric acid) initiator. FTIR, electron microscopy, dynamic light scattering, and optical spectroscopy were employed to differentiate between the original and coated particles. |
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