Near-infrared luminescence of Yb3+, Nd3+, and Er3+ azatriphenylene complexes


Steemers, Frank J. and Verboom, Willem and Hofstraat, Johannes W. and Geurts, Frank A.J. and Reinhoudt, David N. (1998) Near-infrared luminescence of Yb3+, Nd3+, and Er3+ azatriphenylene complexes. Tetrahedron Letters, 39 (41). pp. 7583-7586. ISSN 0040-4039

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Abstract:Near-infrared luminescent ytterbium(III), neodymium(III), and erbium(III) complexes containing novel organic chromophores derived from azatriphenylene have been prepared and spectroscopically studied. The complexes can be excited from 350 to 450 nm, leading after intramolecular energy transfer to intense lanthanide luminescence in acetonitrile. Quenching of the luminescence of the complexes by molecular oxygen reveals information on the rate of energy transfer from the “antenna” to the lanthanide ion.
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Copyright:© 1998 Elsevier
Science and Technology (TNW)
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Metis ID: 105943