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Title: | Thin Films of highly luminescent lanthanide complexes covalently linked to an organic-inorganic hybrid material via 2-substituted imidazo[4,5-f]-1,10-phenanthroline groups | Authors: | Lenaerts, Philip STORMS, Annick MULLENS, Jules D'HAEN, Jan Görller-Walrand, Christiane Binnemans, Koen Driesen, Kris |
Issue Date: | 2005 | Publisher: | ACS | Source: | CHEMISTRY OF MATERIALS, 17(20). p. 5194-5201 | Abstract: | A homogeneous distribution of luminescent lanthanide(III) 2-thenoyltrifluoroacetonate complexes (Ln ) Pr, Nd, Sm, Eu, Dy, Ho, Er, Tm, Yb) in an organic-inorganic hybrid material was obtained by grafting the complexes to the solid matrix via 2-substituted imidazo[4,5-f]-1,10-phenanthroline moieties. Thin films of the silica hybrid material were prepared by the sol-gel method and by spin-coating of the gelating solution on glass slides or on oxidized silicon wafers. The thickness of the thin films was determined by scanning electron microscopy (SEM). High-resolution luminescence spectra of the lanthanide complexes were recorded, and the luminescence decay times were measured. The luminescence quantum yields of europium(III)-doped thin films exposed to different drying conditions were determined by using an integrating sphere. | Keywords: | Metal Oxide nanomaterials;Physical Analysis and Characterisation | Document URI: | http://hdl.handle.net/1942/931 | ISSN: | 0897-4756 | e-ISSN: | 1520-5002 | DOI: | 10.1021/cm051133s | ISI #: | 000232326700043 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2006 |
Appears in Collections: | Research publications |
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