Adjusting Emission Behaviors of Molecules Based Benzothiadiazole by Intermolecular Interaction and Mechano-responsive

DONG Shufan; YANG Tingting; WEN Zhengjie; WANG Yating; XU Huixia; DONG Wenjian; ZHAO Song; WANG Hua

doi:10.37188/CJL.20230022

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Adjusting Emission Behaviors of Molecules Based Benzothiadiazole by Intermolecular Interaction and Mechano-responsive

Synthesis and Properties of Materials | 更新时间：2023-09-06

- Adjusting Emission Behaviors of Molecules Based Benzothiadiazole by Intermolecular Interaction and Mechano-responsive
  增强出版
- Chinese Journal of Luminescence Vol. 44, Issue 8, Pages: 1380-1389(2023)
- 作者机构：
  
  1.太原理工大学新材料界面科学与工程教育部重点实验室，山西太原　030024
  2.山西大同大学微结构功能材料固体物理研究所山西省重点实验室，山西大同　037009
- 作者简介：
  
  [ "董书凡(1999-)，男，江西景德镇人，硕士研究生，2020年于太原理工大学获得学士学位，主要从事有机发光小分子与电致发光二极管制备的研究。E-mail：1604067404@qq.com" ]
  [ "许慧侠(1981-)，女，河南长垣人，博士，副教授，硕士生导师，2010年于太原理工大学获得博士学位，主要从事有机光电材料与器件的研究.E-mail：xuhuixia@tyut.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(61705156;60976018;61605138);国家自然科学基金联合基金(U21A20492)
- DOI：10.37188/CJL.20230022
  CLC： O482.31
- Published：05 August 2023，
  
  Received：03 February 2023，
  
  Revised：25 February 2023，
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董书凡,杨婷婷,文峥杰等.通过分子间相互作用和机械响应调节苯并噻二唑基分子的发光行为[J].发光学报,2023,44(08):1380-1389.

DONG Shufan,YANG Tingting,WEN Zhengjie,et al.Adjusting Emission Behaviors of Molecules Based Benzothiadiazole by Intermolecular Interaction and Mechano-responsive[J].Chinese Journal of Luminescence,2023,44(08):1380-1389.
董书凡,杨婷婷,文峥杰等.通过分子间相互作用和机械响应调节苯并噻二唑基分子的发光行为[J].发光学报,2023,44(08):1380-1389. DOI： 10.37188/CJL.20230022.

DONG Shufan,YANG Tingting,WEN Zhengjie,et al.Adjusting Emission Behaviors of Molecules Based Benzothiadiazole by Intermolecular Interaction and Mechano-responsive[J].Chinese Journal of Luminescence,2023,44(08):1380-1389. DOI： 10.37188/CJL.20230022.

摘要

通过分子构型和分子间相互作用是调节材料的发光颜色和光物理性能的重要途径之一。本文以苯并噻二唑为受体（A）、三苯胺（TPA）和二甲基吖啶（DMAC）为给体（D），设计并合成了两种D⁃A⁃D和D⁃A⁃D′型的发光分子，分别为

TBT

和

DBT

。两种分子均表现出同质多晶现象（

TBT

⁃

：

=593 nm 和

TBT

⁃

：

=616 nm；

DBT

⁃

：

=570 nm，

DBT

⁃

：

=605 nm和

DBT

⁃

：

=642 nm）。在外界刺激下，对称结构的

TBT

为四色的可逆光色转换，非对称的

DBT

分子则表现为不可逆光色转换。本研究为基于苯并噻二唑类刺激响应发光材料提供了重要的分子设计思路。

Abstract

It is a feasible way to adjust emission behaviors by molecular conformation and intermolecular interactions. Herein， two multifunctional materials， 4，4'-（benzo［c］［1，2，5］thiadiazole-4，7-diyl）bis（N，N-diphenylaniline） and 4-（7-（9，9-dimethylacridin-10（9H）-yl）benzo［c］［1，2，5］thiadiazol-4-yl）-N，N-diphenylaniline， namely

TBT

and

DBT

， with donor-acceptor-donor （D-A-D） and D-A-D′ structures composed of 2，1，3-benzothiadiazole （BT） acceptor and the different donors of triphenylamine （TPA） and 9，9-dimethyl-9，10-dihydroacridine （DMAC） were synthesized. These materials exhibit not only polymorphism-dependent emission but also multicolor luminescence switch in response to the external stimulus. The high-contrast crystal-dependent emission behaviors of

TBT

（

TBT

⁃

：

=593 nm and

TBT

⁃

：

=616 nm） and

DBT

（

DBT

⁃

：

=570 nm，

DBT

⁃

：

=605 nm and

DBT

⁃

：

=642 nm） were observed.

TBT

with double TPA groups exhibits four reversible color switches， while

DBT

with TPA and DMAC groups shows irreversible bicolor change.

关键词

苯并噻唑机械响应多色发光

Keywords

benzothiadiazolemechanochromic responsesmulticolor luminescence

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