Crystal-State Photochromism and Dual-Mode Mechanochromism of an Organic Molecule with Fluorescence, Room-Temperature Phosphorescence, and Delayed Fluorescence.,Angewandte Chemie International Edition

当前位置： X-MOL 学术 › Angew. Chem. Int. Ed. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Crystal-State Photochromism and Dual-Mode Mechanochromism of an Organic Molecule with Fluorescence, Room-Temperature Phosphorescence, and Delayed Fluorescence.
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2019-09-26 , DOI: 10.1002/anie.201908567
Lili Huang ₁ , Lei Liu ₁ , Xianjiang Li ₂ , Huan Hu ₁ , Mingxing Chen ₃ , Qingyuan Yang ₁ , Zhiyong Ma ₁ , Xinru Jia ₃

Affiliation

A D-A-D' type pure organic molecule, named ODFRCZ, has unique triple-emission character covering fluorescence, phosphorescence, and delayed fluorescence (DF). The phosphorescence of ODFRCZ has a rather long lifetime of about 350 ms at room temperature. One dimer of ODFRCZ with enhanced parallel molecular packing acts more effectively to prompt ISC processes, which further generates room-temperature phosphorescence (RTP), owing to the larger transition dipole moment and closer energy level between S1 and Tn . ODFRCZ is a rare example of an organic RTP molecule that shows dual-stimuli responsiveness of dual-mode mechanochromism (fluorescence red-shift and RTP/DF on-off switch) and reversible crystal-state photochromism. This work may broaden the knowledge for stimuli-responsive RTP organic molecules and lay the foundation for their wide-scale applications.

中文翻译：

具有荧光，室温磷光和延迟荧光的有机分子的晶体态光致变色和双模机械变色。

DAD'型纯有机分子称为ODFRCZ，具有独特的三重发射特性，涵盖荧光，磷光和延迟荧光（DF）。ODFRCZ的磷光在室温下具有相当长的寿命，约为350毫秒。ODFRCZ的一个具有增强的平行分子堆积的二聚体更有效地促进了ISC过程，这是由于较大的跃迁偶极矩和S1与Tn之间的能级较高而进一步产生了室温磷光（RTP）。ODFRCZ是有机RTP分子的稀有实例，它显示出双模机械变色（荧光红移和RTP / DF开关）和可逆晶态光致变色的双刺激响应性。

更新日期：2019-09-26

点击分享查看原文

点击收藏

阅读更多本刊新发论文本刊介绍/投稿指南