Tunable fluorescent/phosphorescent platinum(II) porphyrin-fluorene copolymers for ratiometric dual emissive oxygen sensing |
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Authors: | Xiang Haifeng Zhou Li Feng Yan Cheng Jinghui Wu Di Zhou Xiangge |
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Affiliation: | Institute of Homogeneous Catalysis, College of Chemistry, Sichuan University, Chengdu 610041, People's Republic of China. xianghaifeng@scu.edu.cn |
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Abstract: | A series of new platinum(II) 5,15-bis(pentafluorophenyl)-10,20-bis(phenyl)porphyrin-9,9-dioctylfluorene copolymers, in which the relative intensities of the blue fluorescence and red phosphorescence can be easily tuned by the initial feed ratio of the two monomers or energy transfer between the fluorescent and phosphorescent units, have been designed and prepared for the application in ratiometric dual emissive oxygen sensing. To the best of our knowledge, this is the first example of a ratiometric oxygen sensor based on dual fluorescent/phosphorescent polymers or copolymers containing transition-metal complexes. It also provides an alternative and easy way to achieve dual emissive oxygen sensing. |
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