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자연과학대학
화학·나노과학전공
Journal papers
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From Nanodot to Nano wire: Hybrid Au/Titania Nanoarrays by Block Copolymer Templates
Title
From Nanodot to Nano wire: Hybrid Au/Titania Nanoarrays by Block Copolymer Templates
Authors
Peng J.
;
Mao C.
;
Kim J.
;
Kim D.H.
Ewha Authors
김진흥
;
김동하
SCOPUS Author ID
김진흥
; 김동하
Issue Date
2009
Journal Title
Macromolecular Rapid Communications
ISSN
1022-1336
Citation
Macromolecular Rapid Communications vol. 30, no. 21, pp. 1857 - 1861
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
A simple scheme to fabricate 2-D arrays of Au/titania hybrid nanopatterns is presented, using polystyrene-block-poly(ethylene oxide) diblock copolymer (PS-b-PEO) as templates coupled with sol-gel chemistry. Both the functionalized Au nanoparticles (NPs) and titania precursors are selectively incorporated into the PEO domain. A series of morphologies ranging from nanodot to nanowire arrays is formed and the mechanism of morphological evolution is discussed. Such hybrid films exhibit characteristic localized surface plasmon resonance bands originating from the coupling between neighboring Au NPs spatially located in a controlled manner. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA.
DOI
10.1002/marc.200900209
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