Effect of alkoxy side chain length on the solid-state fluorescence behaviour of bisazomethine dyes possessing dipropylamino terminal group
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- 作者：Hyung-Wook Yu ; Byung-Soon Kim ; Shinya Matsumoto ; smatsu@ynu.ac.jp" class="auth_mail" title="E-mail the corresponding author
- 关键词：Bisazomethine dye ; Substituent effects ; Crystal structure ; Solid-state fluorescence ; Near-infrared fluorescence
- 刊名：Dyes and Pigments
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：136
- 期：Complete
- 页码：131-139
- 全文大小：2143 K
文摘
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Alkoxy-substituted bisazomethine dyes with a dipropylamino group were synthesised.
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The derivatives exhibited near-infrared fluorescence in a crystalline state.
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Fluorescence intensity of the derivatives was enhanced in a crystalline state.
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Fluorescence behaviour in solids are dependent on the length of alkoxy substituents.
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Solid-state fluorescence behaviour was correlated with molecular arrangement.