H2O2-activated triplet-triplet annihilation upconversion via modulation of the fluorescence quantum yields of the triplet acceptor and the triplet-triplet-energy-transfer efficiency.
作者： Renjie Tao , Jianzhang Zhao , Fangfang Zhong , Caishun Zhang , Wenbo Yang
DOI: 10.1039/C5CC04325E
关键词: Fluorescence 、 Quantum 、 Triplet triplet annihilation 、 Photon upconversion 、 Acceptor 、 Energy transfer 、 Modulation 、 Annihilation 、 Chemistry 、 Photochemistry
摘要: Oxidation-activatable triplet–triplet annihilation (TTA) upconversion was achieved with 9,10-bis(diphenylphosphino)-anthracene (BDPPA, nonfluorescent) as an activatable triplet acceptor/emitter, which can be oxidized to BDPPA-O (highly fluorescent) by H2O2 under mild conditions, and thus TTA switched on H2O2.
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