期刊
NEW JOURNAL OF CHEMISTRY
卷 42, 期 10, 页码 7914-7930出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nj05073a
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资金
- Chinese Research Council
- Ecole Normale Superieure de Lyon
- Institut de Chimie de Lyon
Four two-photon absorbing fluorophores A1-A4 are reported and their spectroscopic properties are analyzed for use, in combination with palladium-porphyrinato complexes C1 and C2, as two-photon absorbing antennas and energy donors for FRET-based antenna-core oxygen sensitive phosphorescent probes. The best antenna A3 displaying the highest biphotonic brightness Phi X sigma(TPA) = 210 GM at 800 nm was then directly grafted to the phosphorescent Pd-porphyrin cores via click chemistry to give new two-photon oxygen sensitive phosphorescent probes P1 and P2, in which energy transfer from the antenna to the core was demonstrated following two-photon excitation.
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