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TIME-RESOLVED MID-INFRARED SPECTROSCOPY IN CONJUGATED POLYMERS

    https://doi.org/10.1142/9789812812964_0009Cited by:1 (Source: Crossref)
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    Abstract:

    Strong electron-phonon coupling in the quasi-one-dimensional organic semiconductors leads to photoexcitations which are best described as lattice stabilized quasiparticles. We review the use of picosecond infrared spectroscopy to learn about the formation and decay dynamics of these solitons, polarons and one-dimensional excitons in conjugated polymers. The cases of degenerate and nondegenerate ground state systems, exemplified by trans-polyacetylene and poly(paraphenylenevinylene) respectively, are discussed.