Plasmonic resonance enhancement of single gold nanorod in two-photon photopolymerization for fabrication of polymer/metal nanocomposites |
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| Authors: | Kyoko?Masui Satoru?Shoji Feng?Jin Email author" target="_blank">Xuan-Ming?DuanEmail author Satoshi?Kawata |
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| Institution: | (1) Laboratory of Organic NanoPhotonics and Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China;(2) Department of Applied Physics, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan;(3) The Graduation School of Chinese Academy of Sciences, Beijing, 100190, China;(4) Nanophotonics Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; |
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| 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. |
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