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Fluorescent and charge transport properties of columnar phases made of mono and bi-phenazine derivatives†
Soft Matter ( IF 2.9 ) Pub Date : 2018-02-12 00:00:00 , DOI: 10.1039/c7sm02087b J. Szydłowska 1, 2, 3, 4, 5 , A. Sitkiewicz 1, 2, 3, 4, 5 , E. Nazaruk 1, 2, 3, 4, 5 , D. Pociecha 1, 2, 3, 4, 5 , P. Krzyczkowska 1, 2, 3, 4, 5 , A. Krówczyński 1, 2, 3, 4, 5 , E. Gorecka 1, 2, 3, 4, 5
Soft Matter ( IF 2.9 ) Pub Date : 2018-02-12 00:00:00 , DOI: 10.1039/c7sm02087b J. Szydłowska 1, 2, 3, 4, 5 , A. Sitkiewicz 1, 2, 3, 4, 5 , E. Nazaruk 1, 2, 3, 4, 5 , D. Pociecha 1, 2, 3, 4, 5 , P. Krzyczkowska 1, 2, 3, 4, 5 , A. Krówczyński 1, 2, 3, 4, 5 , E. Gorecka 1, 2, 3, 4, 5
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Mesogenic dibenzophenazine derivatives have been synthesized and their liquid crystalline, fluorescent and electrochemical properties have been studied. All compounds form the Colhd phase, one of them (4-hydroxyphenyl 2,3,6,7-tetrakisoctyloxy-dibenzo[a,c]phenazine-11-carboxylate, 4) additionally shows an unusual columnar structure with p2mg symmetry, which is a partially lamellarized columnar phase. The emission spectra exhibit a huge Stokes shift that is due to the different molecular conformation in ground and excited states. The non-dispersive hole transport current under UV laser illumination was observed and the charge mobility in the range 10−4–10−3 cm2 V−1 s−1 was determined with the time of flight (ToF) method. The measurements have been interpreted according to the Gaussian disorder model, providing material parameters that reflect the energetic distribution of localized states (diagonal disorder, σ) and distribution of coupling parameters between transport sites (off-diagonal disorder, Σ).
中文翻译：
单和双吩嗪衍生物制成的柱状相的荧光和电荷传输性质†
已经合成了介晶二苯并吩嗪衍生物，并且已经研究了它们的液晶，荧光和电化学性质。所有化合物均形成Col hd相，其中一种（4-羟苯基2,3,6,7-四烷基辛氧基-二苯并[ a，c ]吩嗪-11-羧酸根，4）另外显示出具有p 2 mg对称性的不寻常的柱状结构，这是部分层状的柱状相。发射光谱表现出巨大的斯托克斯位移，这是由于基态和激发态中的不同分子构象所致。在紫外激光照射下观察到非分散的空穴传输电流，电荷迁移率在10 -4 –10范围内-3厘米2 V -1小号-1用飞行时间（TOF）方法的时间来确定。测量值已根据高斯紊乱模型进行了解释，提供了反映局部状态的高能分布（对角紊乱， σ）和传输位点之间的耦合参数分布（非对角错乱， Σ）的物质参数。
更新日期：2018-02-12
中文翻译：
单和双吩嗪衍生物制成的柱状相的荧光和电荷传输性质†
已经合成了介晶二苯并吩嗪衍生物，并且已经研究了它们的液晶，荧光和电化学性质。所有化合物均形成Col hd相，其中一种（4-羟苯基2,3,6,7-四烷基辛氧基-二苯并[ a，c ]吩嗪-11-羧酸根，4）另外显示出具有p 2 mg对称性的不寻常的柱状结构，这是部分层状的柱状相。发射光谱表现出巨大的斯托克斯位移，这是由于基态和激发态中的不同分子构象所致。在紫外激光照射下观察到非分散的空穴传输电流，电荷迁移率在10 -4 –10范围内-3厘米2 V -1小号-1用飞行时间（TOF）方法的时间来确定。测量值已根据高斯紊乱模型进行了解释，提供了反映局部状态的高能分布（对角紊乱， σ）和传输位点之间的耦合参数分布（非对角错乱， Σ）的物质参数。
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