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- W2025502024 abstract "Intense photoluminescence (PL) is observed in di-substituted polyacetylene derivatives even though solitonic mid-gap absorption is observed upon doping, contrary to non-substituted trans-polyacetylene and mono-substituted polyacetylene in which strong PL is not observed. Intense green and blue electroluminescence (EL) is realized utilizing poly(diphenylacetylene) derivatives and poly(1-alkyl-2-phenylacetylene) derivatives, respectively. Greenish-blue emission is also observed in poly (1-chloro-2-phenylacetylene) derivatives. The dependence of wavelength and intensity of PL and EL on the molecular structure of substituents is clarified in detail. The effects of molecular alignment and layer structure on the EL characteristics are also discussed. Upon intense light excitation, remarkable spectral narrowing due to stimulated emission is also observed in these di-substituted polyacetylene derivatives." @default.
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- W2025502024 date "1997-12-01" @default.
- W2025502024 modified "2023-10-02" @default.
- W2025502024 title "Optical properties and electroluminescence characteristics of polyacetylene derivatives dependent on substituent and layer structure" @default.
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- W2025502024 doi "https://doi.org/10.1016/s0379-6779(98)80042-8" @default.
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