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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab
Research Interests
  • Functional nanomaterials, flexible electronics, electronic skins, wearable sensors

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Freestanding 2D arrays of silver nanorods

Cited 21 times inthomson ciCited 23 times inthomson ci
Title
Freestanding 2D arrays of silver nanorods
Author
Gunawidjaja, RayJiang, ChaoyangKo, HyunhyubTsukruk, Vladimir V.
Keywords
FREELY SUSPENDED NANOMEMBRANES; ENHANCED RAMAN-SPECTROSCOPY; SCANNING PROBE MICROSCOPY; SELF-ASSEMBLED MONOLAYERS; NANOPARTICLE ARRAYS; THIN-FILMS; NANOWIRES; SOFT; MULTILAYERS; PERCOLATION
Issue Date
2006-11
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v.18, no.21, pp.2895 - 2899
Abstract
The fabrication of a robust 2D array of randomly oriented silver nanorods (Ag-NR) as a free-standing film by encapsulating these nanorods into polymeric layer-by-layer (LbL) nanomembranes was examined. These silver nanoparticles can be exploited as nanoscale building blocks with unique properties such as geometry-dependent optical properties or surface-enhanced Raman scattering. The silver nanorods making up the central layer are sandwiched between two LbL films, thus forming nanocomposite films with the general formula (PAH/PSS) 10-PAHAg(PAH/PSS)10PAH. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) images of cast and spin-coated silver-containing films show adsorbed silver nanorods uniformly distributed on a surface of silicon and LbL film without significant aggregation for high surface coverage.
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DOI
10.1002/adma.200600540
ISSN
0935-9648
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ECHE_Journal Papers
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