Thermally reversible fluorescent polymorphs of alkoxy-cyano-substituted diphenylbutadienes: role of crystal packing in solid state fluorescence |
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| Authors: | Davis Riju Rath Nigam P Das Suresh |
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| Affiliation: | Photosciences and Photonics Division, Regional Research Laboratory (CSIR), Trivandrum-695 019, India. |
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| Abstract: | Correlation of fluorescence and crystal packing in thermally interconvertible polymorphic states of octyloxy-cyano-substituted diphenylbutadiene possessing visually distinguishable fluorescence reveals that solid state fluorescence of this class of derivatives depends on their monomer-J-aggregate ratio, controlled by variations in their molecular packing. |
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