Convergence of tetraphenylethene towards a series of large size AIE compounds

Pan, Yuxiang; Zhu, Rui; Qi, Chaoran; Wang, Anni; Jia, Qiong; Lin, Cheng; Hu, Qi; Zhou, Qinghai; Xu, Jingjing; Xiao, Shengxiong

doi:10.1016/j.dyepig.2022.110429

Dyes and Pigments

2022

DOI: 10.1016/j.dyepig.2022.110429

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Convergence of tetraphenylethene towards a series of large size AIE compounds

Yuxiang Pan

Rui Zhu

Chaoran Qi

et al.

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Cited by 5 publications

References 58 publications

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Three Isomeric Tetraphenylethylene‐pyridine Compounds: Synthesis, Crystal Structures, and Photophysical Properties

Zhu

Pan

et al. 2023

Chemistry An Asian Journal

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Many aggregation‐induced emission (AIE) molecules based on tetraphenylethylene (TPE) structure have been synthesized, but a clear understanding of the photophysical difference between different isomeric pyridyl‐based tetraphenylethylene molecules remains elusive. Herein, we designed a series of isomeric tetraphenylethylene‐pyridines (o‐Py‐TPE, m‐Py‐TPE, p‐Py‐TPE) to investigate the influence of the position of N atoms in the pyridine subunit on the photophysical property of the whole molecule by detailed DFT calculations and single crystal structures analysis. All compounds show typical AIE properties, and notably, the meta pyridyl isomer (m‐Py‐TPE) shows the highest solid photoluminescence quantum yield (PLQY) up to 64.56%. Further investigation and DFT calculations indicate that the center C=C bond dihedral angles of the TPE subunit in the solid state of these compounds, which are affected by C−H···π interaction, play a vital role in their emission and PLQY properties. This work provides underlying principles for the design of pyridyl‐based TPE molecules with high photoluminescent performance in the future.

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Three Isomeric Tetraphenylethylene‐pyridine Compounds: Synthesis, Crystal Structures, and Photophysical Properties

Zhu

Pan

et al. 2023

Chemistry An Asian Journal

Self Cite

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Boronic acid derived salicylidenehydrazinopyridine (BOSPY) complexes with aggregation-induced emission for fluorescence imaging of cellular organelles

Wang

Guo

et al. 2023

Dyes and Pigments

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Rational design of a two-photon probe with solvatochromic emission and AIE-activity for lipid droplet specific imaging

Bu,

Guo,

et al. 2023

Dyes and Pigments

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Convergence of tetraphenylethene towards a series of large size AIE compounds

Cited by 5 publications

References 58 publications

Three Isomeric Tetraphenylethylene‐pyridine Compounds: Synthesis, Crystal Structures, and Photophysical Properties

Three Isomeric Tetraphenylethylene‐pyridine Compounds: Synthesis, Crystal Structures, and Photophysical Properties

Boronic acid derived salicylidenehydrazinopyridine (BOSPY) complexes with aggregation-induced emission for fluorescence imaging of cellular organelles

Rational design of a two-photon probe with solvatochromic emission and AIE-activity for lipid droplet specific imaging

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