Role of grafted chains for the in situ formation of Ag nanoparticles within poly(epichlorohydrin)-g-polymethacrylate films
- Authors
- Park, Jung Tae; Lee, Kyung Ju; Koh, Jong Kwan; Kim, Jong Hak; Lee, Ki Bong
- Issue Date
- 7월-2009
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Comb polymer; Atom transfer radical polymerization (ATRP); Silver; Nanoparticle; Graft copolymer
- Citation
- CURRENT APPLIED PHYSICS, v.9, no.4, pp.E298 - E300
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 9
- Number
- 4
- Start Page
- E298
- End Page
- E300
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/119747
- DOI
- 10.1016/j.cap.2009.06.030
- ISSN
- 1567-1739
- Abstract
- Two kinds of amphiphilic comb-like copolymer, i.e., poly(epichlorohydrine)-g-poly(methyl methacrylate) (PECH-g-PMMA) and poly(epichlorohydrine)-g-poly(butyl methacrylate) (PECH-g-PBMA) were synthesized via atom transfer radical polymerization (ATRP) using directly initiating the chlorine atoms of PECH macroinitiator. The amphiphilic comb-like copolymers were used as a template film for the in situ growth of silver nanoparticles from AgCF3SO3 precursor using NaBH4. UV-visible spectroscopy and transmission electron microscopy (TEM) images indicated that (1) Ag nanoparticles were selectively confined in the comb-like polymer films persisting microphase-separated morphology and (2) Ag nanoparticles (47 nm) formed in PECH-g-PBMA were smaller than those in PECH-g-PMMA (6-11 nm). This represents that the longer hydrophobic side chains in a comb-like copolymer is more effective in controlling the formation of metal nanoparticles. (C) 2009 Elsevier B.V. All rights reserved.
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