1D exciton band and exciton-phonon interaction in a single polymer chain

Details 1D exciton band and exciton-phonon interaction in a single polymer chain 1D exciton band and exciton-phonon interaction in a single polymer chain

2002-09-09

arxiv.org/abs/cond-mat/0209199v1

26th ICPS proceedings (August 2002)

Physics

Condensed Matter

Materials Science

7 pages, 3 figures (TeX format)

Scientific paper

The excitonic luminescence of an isolated polydiacetylene polymer chain in its monomer matrix is studied by micro-photoluminescence. These chains behave as perfect 1D excitonic systems with the expected 1/sqrt{E} density of states between 5 and 50 K. The temperature dependence of the homogeneous width is quantitatively explained by interaction with longitudinal acoustic phonons of the crystal in the range of temperature explored.

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