Synthesis, Photophysical Characterization, and Self‐Assembly of Hexa‐ peri peri ‐hexabenzocoronene/Benzothiadiazole Donor–Acceptor Structure

Hu Yunbin; D?ssel Lukas F.; Wang Xiao‐Ye; Mahesh Sankarapillai; Pisula Wojciech; De?Feyter Steven; Feng Xinliang; Müllen Klaus; Narita Akimitsu

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Synthesis, Photophysical Characterization, and Self‐Assembly of Hexa‐ peri peri ‐hexabenzocoronene/Benzothiadiazole Donor–Acceptor Structure

机译：Hexa-Peri peri -hexabenzocoronenen / Benzothiadiazole供体结构的合成，光学表征和自组装

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Abstract Hexa‐ peri ‐hexabenzocoronene (HBC) substituted by six benzothiadiazole (BTZ) units with ethynylene bridges is synthesized as a new donor–acceptor (D–A) motif. The C≡C bridges significantly reduce the dihedral angles between HBC and BTZ, and thus, lead to a planar molecular conformation as predicted by density functional theory calculations. The optoelectronic properties are investigated by UV/Vis absorption and emission spectroscopies with absorption and emission maxima at 424 and 650?nm, respectively, demonstrating the tunable electronic structures of HBC through the attachment of electron‐withdrawing BTZ units. Two‐dimensional wide‐angle X‐ray scattering analysis shows that the molecules self‐assemble into liquid‐crystalline columns with high stability over a wide temperature range. Scanning tunneling microscopy reveals the formation of ordered bilayers of the D–A molecules with star‐shaped structures.

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来源
《ChemPlusChem》 |2017年第7期|共4页
作者
Hu Yunbin; D?ssel Lukas F.; Wang Xiao‐Ye; Mahesh Sankarapillai; Pisula Wojciech; De?Feyter Steven; Feng Xinliang; Müllen Klaus; Narita Akimitsu;
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作者单位

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

Division of Molecular Imaging and PhotonicsKU LeuvenCelestijnenlaan 200 F 3001 Leuven Belgium;

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

Division of Molecular Imaging and PhotonicsKU LeuvenCelestijnenlaan 200 F 3001 Leuven Belgium;

Center for Advancing Electronics Dresden (cfaed)Dresden University of TechnologyWalther-Hempel-Bau;

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

Max Planck Institute for Polymer ResearchAckermannweg 10 55128 Mainz Germany;

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原文格式 PDF
正文语种 eng
中图分类化学;
关键词
benzothiadiazole; charge transfer; donor–acceptor systems; hexa- peri -hexabenzocoronene; optoelectronic properties;

机译：苯并噻唑;电荷转移;供体受体系统;六己虫己烯异壬烯;光电性质;

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3. Synthesis and photophysical properties of donor-acceptor system based bipyridylporphyrins for dye-sensitized solar cells [J] . Preeyanut Duanglaor, Preecha Thiampanya, Taweesak Sudyoadsuk, 天然气化学（英文版） . 2015,第006期
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5. Synthesis, Photophysical Characterization, and Self‐Assembly of Hexa‐ peri peri ‐hexabenzocoronene/Benzothiadiazole Donor–Acceptor Structure [J] . Hu Yunbin, D?ssel Lukas F., Wang Xiao‐Ye, ChemPlusChem . 2017,第7期

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6. Alternating Donor-Acceptor Arrays from Hexa-peri-hexabenzocoronene and Benzothiadiazole: Synthesis, Optical Properties, and Self-Assembly [J] . Hinkel Felix, Cho Don, Pisula Wojciech, Chemistry: A European journal . 2015,第1期

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Synthesis, Photophysical Characterization, and Self‐Assembly of Hexa‐ peri peri ‐hexabenzocoronene/Benzothiadiazole Donor–Acceptor Structure

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