<学術雑誌論文>
Quenching Behavior of Thermally Activated Delayed Fluorescence from a Donor–Acceptor Molecule, 1,2,3,5-Tetrakis(carbazol-9-yl)-4,6-dicyanobenzene by O_2

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概要 We describe the quenching behavior of thermally activated delayed fluorescence (TADF) from 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene (4CzIPN) by O_2 in bis(2-ethylhexyl)sebacate (DOS). Import...antly, the high quantum yield of photoluminescence (ϕPL = 0.93) with efficient TADF was dramatically decreased by O_2. The quenching rate constants of the S_1 and T_1 states were estimated to be in the order of 10^9 and 10^8 s^<−1> M^<−1>, respectively. A DOS-plasticized polystyrene film containing 4CzIPN was prepared for optical O_2 sensing to determine O_2 concentration.続きを見る

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登録日 2024.10.24
更新日 2024.10.24

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