Improvement of Solid‐State Excimer Emission of the Aryl–Ethynyl‐o‐Carborane Skeleton by Acridine Introduction,European Journal of Organic Chemistry

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Improvement of Solid‐State Excimer Emission of the Aryl–Ethynyl‐o‐Carborane Skeleton by Acridine Introduction
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2019-04-02 , DOI: 10.1002/ejoc.201900212
Junki Ochi ₁ , Kazuo Tanaka ₁ , Yoshiki Chujo ₁

Affiliation

We report solid‐state excimer emission based on the acridine–o‐carborane dyad possessing the ethynyl spacer. Compared to the previous pyrene‐modified o‐carborane, which showed excimer emission at 77 K in the crystalline state, the current acridine‐modified molecule presents excimer emission with high efficiency at room temperature. It was indicated that two acridine moieties were stacked and the third acridine molecule was out of alignment. Furthermore, molecular interactions through the nitrogen atom in the acridine moiety and the hydrogen atom in the o‐carborane unit contributes to improving emission efficiency in the crystalline state.

中文翻译：

A啶改进了芳基-乙炔基-o-碳硼烷骨架的固态准分子发射

我们报告的固态准分子发射是基于具有乙炔基间隔基的or啶-邻-碳硼烷二聚体。与以前的pyr修饰的邻碳硼烷在晶体状态下在77 K下显示准分子发射相比，当前的cr啶修饰的分子在室温下具有高效率的准分子发射。表明堆叠了两个a啶部分，并且第三个a啶分子未对准。此外，通过through啶基团中的氮原子和邻-碳硼烷单元中的氢原子的分子相互作用有助于提高结晶态的发射效率。

更新日期：2019-04-02

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