Consideration of Molecular Structure in the Excited State to Design New Luminogens with Aggregation-Induced Emission

Angewandte Chemie
Kenta Kokado, Kazuki Sada

Abstract

Aggregation-induced emission (AIE) is a photoluminescence phenomenon in which an AIE luminogen (AIEgen) exhibits intense emission in the aggregated or solid state but only weak or no emission in the solution state. Understanding the mechanism of AIE requires consideration of excited state molecular geometry (for example, a π twist). This Minireview examines the history of AIEgens with a focus on the representative AIEgen, tetraphenylethylene (TPE). The mechanisms of solution-state quenching are reviewed and the crucial role of excited-state molecular transformations for AIE is discussed. Finally, recent progress in understanding the relationship between excited state molecular transformations and AIE is overviewed for a range of different AIEgens.

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Citations

Jul 10, 2019·Chemistry : a European Journal·Xing WeiJing-Juan Xu
Jan 1, 2020·Chemistry, an Asian Journal·Yoshimitsu SagaraNobuyuki Tamaoki
Mar 1, 2020·Chemistry : a European Journal·Takashi MachidaKenta Kokado
Aug 1, 2020·Advanced Materials·Haoke ZhangBen Zhong Tang
Nov 12, 2019·Frontiers in Chemistry·Zhipeng LiuXiaoqing Wang
May 23, 2020·Angewandte Chemie·Jianxin GuanJunrong Zheng
Dec 15, 2020·Organic & Biomolecular Chemistry·Mykhaylo A PotopnykJuozas Vidas Grazulevicius
Jan 28, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Atsuko Kuno, Hiromitsu Maeda
May 21, 2020·Angewandte Chemie·Dingyuan YanBen Zhong Tang
Dec 17, 2020·Chemical Communications : Chem Comm·Maryam F AbdollahiYuming Zhao
Mar 17, 2021·Topics in Current Chemistry·Ana Clara B Rodrigues, J Sérgio Seixas de Melo
May 22, 2020·The Journal of Physical Chemistry. a·Norifumi Yamamoto
Oct 28, 2019·The Journal of Physical Chemistry Letters·Panwang ZhouKeli Han
Oct 6, 2021·Chemical Society Reviews·Saixing TangWang Zhang Yuan
Nov 18, 2021·Physical Chemistry Chemical Physics : PCCP·Ruibin LiangAmirhossein Bakhtiiari
Nov 18, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Jian-Wei ZhangQuan-Guo Zhai

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