TITLE

Observation of microwave plasmons in one-dimensional conjugated polymer chain

AUTHOR(S)
Mondal, B.; Majumdar, D.; Ghosh, A.; Saha, S. K.
PUB. DATE
May 2009
SOURCE
Applied Physics Letters;5/4/2009, Vol. 94 Issue 18, p183109
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Observation of extremely low frequency plasmons in highly ordered quasi-one-dimensional (quasi-1D) interrupted metallic polymer chain segments is reported. Rice and Bernascony [Phys. Rev. Lett. 29, 113 (1972)] predicted giant permittivity in interrupted 1D metal strands because of quantum confinement. We have used this quasi-1D electron system with giant permittivity to realize 1D plasmons in microwave frequency. Polypyrrole nanorods with ordered and aligned chains have been synthesized. These ordered and perfectly conjugated systems interrupted by defects are ideal systems to achieve giant permittivity and as a result, 1D microwave plasmons, which have potential applications in microwave devices, are observed.
ACCESSION #
39354729

 

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