Dynamics of photogenerated solitons in trans-polyacetylene
- 1 February 1988
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 24 (2) , 311-314
- https://doi.org/10.1109/3.127
Abstract
Time-resolved absorption using pole wavelengths of 2.5-5.5 mu m has been used to study photoexcitations in the quasi-one-dimensional semiconductor, trans-polyacetylene. Present apparatus has 0.5-ps resolution, which is sufficient to observe the decay of the photogenerated charged soliton pairs which form after intrachain excitation of electron-hole pairs. The tunability of the apparatus permits the unambiguous identification of solitons and observation of spectral relaxation during their formation.Keywords
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