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- W2000039957 abstract "The optical and photophysical properties of trans-poly(1-ethynyl-pyrene) (trans-PEP) and cis-poly(1-ethynyl-pyrene) (cis-PEP) are reported. From the absorption spectra of both polymers, it is found that trans-PEP possesses a higher degree of conjugation than its cis analogue. On the other hand, intramolecular interactions occur between the pendant pyrene units (associated pyrenes) present in each polymer, giving rise to a new emission. These interactions are stronger in the cis-PEP, probably due to coiling of the main polyacetylene chain. Excitation spectra combined with fluorescence decay profiles show that these interactions occur in the ground state (excited complex)." @default.
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- W2000039957 date "2004-05-01" @default.
- W2000039957 modified "2023-10-05" @default.
- W2000039957 title "UV-Vis and fluorescence study of polyacetylenes with pendant 1-pyrenyl groups: a comparative investigation of cis- and trans-poly(1-ethynyl-pyrene)" @default.
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- W2000039957 doi "https://doi.org/10.1016/j.synthmet.2003.10.012" @default.
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