Journal
INORGANIC CHEMISTRY
Volume 50, Issue 12, Pages 5309-5311Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic102465j
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Funding
- Hong Kong Research Grants Council [PolyU 503510]
- Hong Kong Polytechnic University [1BD07]
- City University of Hong Kong
- Hong Kong Baptist University [FRG 1/10-11/037]
- University of Grants Committee (Hong Kong)
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Three triazine-based europium(III) complexes were synthesized that demonstrated strong two-photon induced europium emission with a high two-photon absorption cross-section. The modified triazine ligand of complex 3 initiated over 100% enhancement of the two-photon absorption cross-section (sigma(2): 320 GM) when compared with complex 1 (sigma(2): 128 GM) in a solution of DMSO. Europium complex 3 is also stable in vitro, and power-dependence curves were obtained in vitro to confirm the two-photon-induced f-f emission in HeLa cells.
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