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

Kokado, Kenta, Sada, Kazuki·2019·Angewandte Chemie International Edition

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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Metadata

Authors
Kokado, K., & Sada, K.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-04
Volume
58
Issue
26
Pages
8632-8639
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2915185402
Cited by
171
References
5
FWCI
9.64
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Consideration of Molecular Structure in the Excited State to Design New Luminogens with Aggregation‐Induced Emission. https://app.cochat.ai/papers/10.1002/anie.201814462
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Kokado, K., & Sada, K. (2019). Consideration of Molecular Structure in the Excited State to Design New Luminogens with Aggregation‐Induced Emission. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201814462

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.