Suppressed Aggregation-Caused Quenching and Reversible Piezochromic Fluorescence in a Chrysene Derivative Bearing Triisopropylsilyl-Diacetylene
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ID: 318114
2026
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Abstract
Abstract Chrysene is useful as a deep blue emitter, but remains challenging for practical applications, due to the intrinsically weak emission property. Herein, 6,12-bis((triisopropylsilyl)buta-1,3-diyn-1-yl)chrysene (1) was synthesized and its crystal structure, photophysical properties, and high-pressure fluorescence behavior were investigated. The triisopropylsilyl groups suppress aggregation-caused quenching, affording a solid-state fluorescence quantum yield of 0.64, comparable to that in the solution. Reversible piezochromic fluorescence with a bathochromic shift of up to 51 nm was observed upon hydrostatic compression to 4.2 GPa.
| Reference Key |
openalex_W7165543817
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|---|---|
| Authors | Ryusei Oketani, Ryoya Kamiyama, Hikaru Tamagawa, Kaisei Niibori, Ichiro Hisaki |
| Journal | phytochemistry letters |
| Year | 2026 |
| DOI |
10.1093/chemle/upag129
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| URL | |
| Keywords | Keywords not found |
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