Two-photon absorption and photoluminescence of europium based emissive probes for bioactive systems |
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| Authors: | Pålsson Lars-Olof Pal Robert Murray Benjamin S Parker David Beeby Andrew |
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| Institution: | Department of Chemistry, Durham University, South Road, Durham, UK. lars-olof.palsson@dur.ac.uk |
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| Abstract: | Observation of two-photon excitation (760 nm) and emission of two responsive water soluble europium complexes is reported with cross-sections of up to 2 GM. Two-photon excitation spectra have also been measured, acquisition being achieved by the use of a cavity-dumped mode locked Ti-sapphire laser. Time-gated detection is used to differentiate the ligand fluorescence and metal centred emission in these europium complexes. |
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