Significant effects of branches and bromine substitution of near-infrared two-photon photosensitizers on the generation of singlet oxygen |
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| Authors: | HongRu Li XiaoJuan Ye Meng Liu Fang Gao XiaoJiao Liu QinYuan Guo |
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| Institution: | 1. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
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| Abstract: | This letter reports the influence of branches and bromine substitution of the photosensitizers on one- and two-photon absorption generation of singlet oxygen. Near-infrared femtosecond Ti:squassier laser was utilized to determine two-photon properties of the photosensitizers tuning wavelength from 700 to 880 nm at intervals of 20 nm. One- and two-photon optical and photophysical properties of the photosensitizers show significant dependence on the branches and substituted bromine atoms. |
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| Keywords: | two-photon absorption singlet oxygen photosensitizers |
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