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首页> 外文期刊>Acta Crystallographica, Section B. Structural science, crystal engineering and materials >Highly luminescent crystals of a novel linear π-conjugated thiophene-phenylene co-oligomer with a benzothiadiazole fragment
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Highly luminescent crystals of a novel linear π-conjugated thiophene-phenylene co-oligomer with a benzothiadiazole fragment

机译：具有苯并噻唑片段的新型线性π-缀合的噻吩 - 苯丙烷的高温晶体

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摘要

The synthesis, growth from solutions and structure of crystals of a new linear thiophene-phenylene co-oligomer with a central benzothiadiazole fragment with a conjugated core, (TMS-2T-Ph)_2-BTD, are presented. Single-crystal samples in the form of needles with a length of up to 7 mm were grown and their crystal structure was determined at 85 K and 293 K using single-crystal X-ray diffraction. The conformational differences between the crystal structures are insignificant. The parameters of melting and liquid crystalline phase transitions of (TMS-2T-Ph)_2-BTD were established using differential scanning calorimetry and the thermal stability of the crystals was investigated using thermogravimetric analysis. The optical absorption and photoluminescence spectra of the solutions and crystals of (TMS-2T-Ph)_2-BTD were obtained, and the kinetics of their photodegradation under the action of UV radiation were studied.
机译：呈现了具有共轭核心中央苯并噻唑片段的新的线性噻吩 - 苯基共聚体的溶液和结构的合成，生长，具有缀合芯（TMS-2T-pH）_2-BTD。 生长具有长达7mm的针形式的单晶样品，并使用单晶X射线衍射在85 k和293k处测定它们的晶体结构。 晶体结构之间的构象差异是微不足道的。 使用差示扫描量热法建立（TMS-2T-pH）_2-BTD的熔融和液晶相转变的参数，并使用热重分析研究了晶体的热稳定性。 得到（TMS-2T-pH）_2-BTD的溶液和晶体的光学吸收和光致发光光谱，研究了它们在UV辐射作用下的光降解的动力学。

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  • 作者

    Valery A. Postnikov; Nataliya I. Sorokina; Artem A. Kulishov; Maria S. Lyasnikova; Vadim V. Grebenev; Alexey E. Voloshin; Oleg V. Borshchev; Maxim S. Skorotetcky; Nikolay M. Surin; Evgeniya A. Svidchenko; Sergei A. Ponomarenko;

  • 作者单位

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' of Russian Academy of Sciences Leninsky prospect 59 Moscow 119333 Russian Federation;

    Enikolopov Institute of Synthetic Polymer Materials of Russian Academy of Sciences Profsoyuznaya street 70 Moscow 117393 Russian Federation.;

    Enikolopov Institute of Synthetic Polymer Materials of Russian Academy of Sciences Profsoyuznaya street 70 Moscow 117393 Russian Federation.;

    Enikolopov Institute of Synthetic Polymer Materials of Russian Academy of Sciences Profsoyuznaya street 70 Moscow 117393 Russian Federation.;

    Enikolopov Institute of Synthetic Polymer Materials of Russian Academy of Sciences Profsoyuznaya street 70 Moscow 117393 Russian Federation.;

    Enikolopov Institute of Synthetic Polymer Materials of Russian Academy of Sciences Profsoyuznaya street 70 Moscow 117393 Russian Federation.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
  • 关键词

    linear π-conjugated co-oligomer; crystal growth; crystal structure; X-ray diffraction; spectroscopy; functional materials;

    机译：线性π-缀合的共聚体;晶体生长;晶体结构;X射线衍射;光谱;功能材料;

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