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- Title
Plasmonic resonance enhancement of single gold nanorod in two-photon photopolymerization for fabrication of polymer/metal nanocomposites.
- Authors
Masui, Kyoko; Shoji, Satoru; Jin, Feng; Duan, Xuan-Ming; Kawata, Satoshi
- Abstract
We investigated the plasmonic resonance enhanced two-photon photopolymerization (PETPP) using the isolated chemical synthesized gold nanorods for fabrication of polymer/metal nanocomposites. The isolated gold nanorods with the plasmonic resonance band around 750 nm covered by photoresist were irradiated by a femtosecond laser with the wavelength of 780 nm. The PETPP trigged by the plasmonic resonance enhancement of gold nanorods was localized only in the distance smaller than 30 nm from the surface of gold nanorods, which matched the distance of plasmonic resonant enhanced field of the gold nanorod. The shapes of obtained polymer/gold nanocomposites were changed from the 'dumbbell' to the 'ellipsoid' with the increase of laser irradiating intensity used for PETPP. This study would provide a potential method for fabricating the plasmonic nanomaterials and nanostructures of polymer/metal nanocomposites, which could be expected to be applied in the emerging fields such as nanophotonics, nanobiosensor, nanolithography.
- Subjects
SURFACE plasmon resonance; COLLOIDAL gold; PHOTOPOLYMERIZATION; MICROFABRICATION; NANOCOMPOSITE materials; ELECTROCHEMICAL sensors; NANOPHOTONICS
- Publication
Applied Physics A: Materials Science & Processing, 2012, Vol 106, Issue 4, p773
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-012-6768-y