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Updated: Feb 10, 2026

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Conformationally-flexible and moderately electron-donating units-installed D-A-D triad enabling multicolor-changing
Youhei Takeda1, Takahito Kaihara, Masato Okazaki
1Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan. takeda@chem.eng.osaka-u.ac.jp.
Abstract:
A novel twisted donor-acceptor-donor (D-A-D) π-conjugated compound that contains flexible and moderately-electron-donating units has been designed and synthesized. It exhibited not only multi-color-changing mechanochromic luminescence and thermally activated delayed fluorescence, but also, unexpectedly, room-temperature phosphorescence in a host layer.
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