首页|Halogenated Thienoacene Derivatives with Improved Emission Properties

Halogenated Thienoacene Derivatives with Improved Emission Properties

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Thienoacenes is one of most important groups of semiconducting materials due to the high stability and superior mobility.However,there are scarce studies on the emission properties of thienoacenes to date.Herein,we synthesized fluorinated and chlorinated dibenzo[d,d']thieno[3,2-b;4,5-b']dithiophenes(DBTDTs)derivatives F6-DBTDT and C16-DBTDT by sulfoxide cyclization,significantly lowering the energy levels relative to the parent compound DBTDT.According to single crystal structure analysis,F6-DBTDT molecules adopt one-dimensional slipped stacking with close π-π interactions of 3.43 Å(1 Å=0.1 nm),which is different from the parent compound DBTDT with herringbone stacking motif.Interestingly,the halogenated DBTDT derivatives exhibit enhanced emission properties both in solution and in the solid state,opening up possiblities to improve photoluminescence of thienoacences by halogenation.

ThienoaceneHalogenationPhotoluminescence Aggregation structure

ZHANG Jingmei、MENG Zhihao、ZHEN Yonggang、HE Ping、YU Panpan、HU Wenping

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Advanced Innovation Center for Soft Matter Science and Engineering,State Key Laboratory of Organic-Inorganic Composites,Beijing University of Chemical Technology,Beijing 100029,P.R.China

Wuhan National Laboratory for Optoelectronics,Huazhong University of Science and Technology,Wuhan 430074,P.R.China

State Key Laboratory of Fine Chemicals,Dalian University of Technology,Dalian 116024,P.R.China

Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province,China West Normal University,Nanchong 637000,P.R.China

Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education,Jiangxi Normal University,Nanchang 330022,P.R.China

MOE Key Laboratory of Organic Integrated Circuits & Tianjin Key Laboratory of Molecular Optoelectronic Sciences,Department of Chemistry,School of Sciences,Tianjin University,Tianjin 300072,P.R.China

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Fundamental Research Funds for the Central Universities,ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaProject of the China Petroleum and Chemical CorporationOpen Project Programs of Wuhan National Laboratory for Optoelectronics,ChinaProject of the State Key Laboratory of Fine Chemicals(Dalian University of Technology),China

buctrc2021032197526322171019523731702221312021WNLOKF005KF2201

2024

10.1007/s40242-024-4038-0

高等学校化学研究(英文版)
吉林大学

高等学校化学研究(英文版)

CSTPCD
影响因子：0.871
ISSN：1005-9040
年,卷(期)：2024.40(4)