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Preparation of Silver Nanoparticles with Various Morphology Using Amphiphilic Graft Copolymer Membranes  

Seo, Jin-Ah (Department of Chemical and Biomolecular Engineering, Yonsei University)
Choi, Jin-Kyu (Department of Chemical and Biomolecular Engineering, Yonsei University)
Ahn, Sung-Hoon (Department of Chemical and Biomolecular Engineering, Yonsei University)
Yeon, Seung-Hyeon (Department of Chemical and Biomolecular Engineering, Yonsei University)
Kim, Jong-Hak (Department of Chemical and Biomolecular Engineering, Yonsei University)
Publication Information
Membrane Journal / v.20, no.2, 2010 , pp. 169-172 More about this Journal
Abstract
Silver ions of poly(vinyl chloride)-g-poly(styrene sulfonic acid) (PVC-g-PSSA) graft copolymer were reduced to form silver nanoparticles under thermal condition ($80^{\circ}C$). We were successful in synthesizing silver nanoparticles with various morphologies by changing reaction time. At short reaction times (~1 h), silver nanoparticles with 5 nm in size were formed without disrupting a microphase-separated structure of graft copolymer. At medium reaction times (~5 h), silver nanoparticles were aggregated to form large clusters ranging 30~50 nm in size. At much longer reaction times (~18 h), hurricane-like silver clusters were observed due to strong particle aggregation.
Keywords
nanoparticles; morphology; nanomaterials; graft copolymer; silver;
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Times Cited By KSCI : 2  (Citation Analysis)
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