扭曲的Bodipy衍生物作为一种无重原子的三重态光敏剂，表现出对黄光的强烈吸收、系间窜越以及高能长寿命三重态。
Twisted Bodipy Derivative as a Heavy-Atom-Free Triplet Photosensitizer Showing Strong Absorption of Yellow Light, Intersystem Crossing, and a High-Energy Long-Lived Triplet State.
作者信息
Dong Yu, Dick Bernhard, Zhao Jianzhang
机构信息
State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E-208 West Campus, 2 Ling Gong Road, Dalian 116024, P. R. China.
Lehrstuhl für Physikalische Chemie, Institut für Physikalische und Theoretische Chemie, Universität Regensburg, Universitätsstr. 31, D-93053 Regensburg, Germany.
出版信息
Org Lett. 2020 Jul 17;22(14):5535-5539. doi: 10.1021/acs.orglett.0c01903. Epub 2020 Jul 9.
A Bodipy derivative with twisted π-conjugation system is demonstrated that shows efficient intersystem crossing (ISC) (singlet oxygen quantum yield Φ = 55%) and a long-lived triplet state (τ = 197.5 μs) with high energy ( = 1.44-1.53 eV). This is superior to the conventional heavy-atom-enhanced ISC in a reference Bodipy compound, which results in much shorter triplet state lifetime (3.3 μs) and lower triplet-state energy (1.2 eV).
一种具有扭曲π共轭体系的Bodipy衍生物被证明具有高效的系间窜越（ISC）（单线态氧量子产率Φ = 55%）以及具有高能量（ = 1.44 - 1.53 eV）的长寿命三重态（τ = 197.5 μs）。这优于参考Bodipy化合物中传统的重原子增强ISC，后者导致更短的三重态寿命（3.3 μs）和更低的三重态能量（1.2 eV）。
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