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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
김진흥김동하
SCOPUS Author ID
김진흥scopus; 김동하scopus
Issue Date
2009
Journal Title
Macromolecular Rapid Communications
ISSN
1022-1336JCR Link
Citation
vol. 30, no. 21, pp. 1857 - 1861
Indexed
SCI; SCIE; SCOPUS WOS scopus
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
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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