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- W2008450436 abstract "Abstract Poly{ n -[((4′-cyano-4-biphenylyl)oxy)carbonyl]-1-alkynes} (PA n CN, where n =2, 8), which is a class of monosubstituted polyacetylenes with biphenyl mesogens and cyano tails in their pendants, can emit strong deep-blue photoluminescence (PL). In this paper we have investigated their optical absorptions, PL evolutions with excitation power and excitation wavelength, electronic structures, and the electric-field effect on the PL of a moderately concentrated PA n CN solution that had been treated by electric fields. Having been treated by an electric-field pulse (6×10 5 V/m) for about 3 s, the originally featureless PL spectrum of the PA n CN solution becomes structured and transient, which evolves with time and external electric field. Our results have demonstrated that both the absorption and the deep-blue PL originate from the biphenyl mesogens in the side chains rather than from the distorted backbones." @default.
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- W2008450436 date "2002-09-01" @default.
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- W2008450436 title "Photoluminescent properties and electronic structures of monosubstituted polyacetylenes: poly{n-[((4′-cyano-4-biphenylyl)oxy)carbonyl]-1-alkynes}" @default.
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- W2008450436 doi "https://doi.org/10.1016/s0022-2313(02)00333-2" @default.
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