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February 16, 2026AggregateOpen Access

Push–Pull Bridged Stilbenes as Small Solvatochromic Aggregation‐Induced Emission Luminogen: Design and Excited‐state Deactivation Dynamics

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Authors

TTT. TanakaHKHirosato KoyanagiTETakumi Ehara

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Overview

This AIEgen demonstrates solvatochromism and varying quantum yields in different solvents, indicating its unique photophysical properties.

Key Points

  • The study aims to develop a small AIEgen with favorable photophysical properties for practical applications.
  • Investigated a modified stilbene-based AIEgen, DpCBS[7], for solvatochromism and AIE.
  • Conducted femtosecond transient absorption spectroscopy to analyze excited-state dynamics.
  • Measured quantum yields and Stokes shifts in varying solvent polarities.
  • DpCBS[7] shows quantum yields ranging from 0.01 to 0.70 across solvent types.
  • Demonstrated substantial solvatochromism with large Stokes shifts.
  • Arrhenius analysis revealed activation energies of 9.90 kJ/mol in toluene and 12.8 kJ/mol in acetonitrile.

Cite This Study

Tanaka et al. (2026) studied this question.

synapsesocial.com/papers/6992652ceb1f82dc367a0ffehttps://doi.org/10.1002/agt2.70295
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