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Circularly Polarized Luminescent Triptycene-Based Polymers
ACS Macro Letters ( IF 5.1 ) Pub Date : 2018-03-07 00:00:00 , DOI: 10.1021/acsmacrolett.8b00106 Tomoyuki Ikai 1 , Takumu Yoshida 1 , Seiya Awata 1 , Yuya Wada 1 , Katsuhiro Maeda 1 , Motohiro Mizuno 1 , Timothy M Swager 2
ACS Macro Letters ( IF 5.1 ) Pub Date : 2018-03-07 00:00:00 , DOI: 10.1021/acsmacrolett.8b00106 Tomoyuki Ikai 1 , Takumu Yoshida 1 , Seiya Awata 1 , Yuya Wada 1 , Katsuhiro Maeda 1 , Motohiro Mizuno 1 , Timothy M Swager 2
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A series of chiral fluorescent polymers containing optically active triptycene units in the main chain were synthesized via Sonogashira–Hagihara coupling copolymerizations of (R,R)- or (S,S)-2,6-diethynyltriptycene with a range of diiodoaryls. Their optical and chiroptical properties were investigated under various solution conditions. We observe that these polymers emitted circularly polarized light owing to the chiral triptycene framework with a handed twisted rigid structure, and the fluorescence colors could be tuned in the whole visible range from blue to red by replacing the achiral comonomer units. They possessed luminescence dissymmetry factors of approximately 1.0 × 10–3, regardless of the incorporated comonomer units.
中文翻译：
圆偏振发光三蝶烯基聚合物
通过 ( R , R )- 或 ( S , S )-2,6-二乙炔基三蝶烯与一系列二碘芳基化合物的 Sonogashira-Hagihara 偶联共聚，合成了一系列在主链中含有光学活性三蝶烯单元的手性荧光聚合物。在各种溶液条件下研究了它们的光学和手性光学性质。我们观察到这些聚合物由于手性三蝶烯骨架具有手性扭曲刚性结构而发出圆偏振光，并且通过替换非手性共聚单体单元可以在从蓝色到红色的整个可见光范围内调节荧光颜色。它们具有大约 1.0 × 10 –3的发光不对称因子, 与并入的共聚单体单元无关。
更新日期：2018-03-07
中文翻译：
圆偏振发光三蝶烯基聚合物
通过 ( R , R )- 或 ( S , S )-2,6-二乙炔基三蝶烯与一系列二碘芳基化合物的 Sonogashira-Hagihara 偶联共聚，合成了一系列在主链中含有光学活性三蝶烯单元的手性荧光聚合物。在各种溶液条件下研究了它们的光学和手性光学性质。我们观察到这些聚合物由于手性三蝶烯骨架具有手性扭曲刚性结构而发出圆偏振光，并且通过替换非手性共聚单体单元可以在从蓝色到红色的整个可见光范围内调节荧光颜色。它们具有大约 1.0 × 10 –3的发光不对称因子, 与并入的共聚单体单元无关。
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