Photoluminescent Materials Based on Silica Doped with Lanthanide Complexes of 4 '-Formylbenzo-15-Crown-5
authors Soares-Santos, PCR; Ferreira, RAS; Trindade, T; Carlos, LD; Nogueira, HIS
nationality International
journal JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
author keywords Lanthanide Compounds; Sol-Gel Processes; Luminescence
keywords LUMINESCENCE PROPERTIES; CRYSTAL-STRUCTURE; 2,6-DIHYDROXYBENZOIC ACID; MACROCYCLIC LIGANDS; EMISSION-SPECTRUM; CROWN-ETHER; EUROPIUM(III); SALTS; POLYETHERS; PHOSPHORS
abstract Photoluminescent materials were prepared by introducing lanthanide complexes of 4'-formylbenzo-15-crown-5 (C(15)H(20)O(6)) into a silica matrix obtained by the sol-gel method. The new lanthanide complexes [Ln(C(15)H(20)O(6))(NO(3))(3)(H(2)O)(2)] (Ln(3+) = Sm(3+), Eu(3+) and Tb(3+)) were synthesized and were fully characterised using spectroscopic techniques, and elemental and thermogravimetric analysis. Photoluminescence measurements were performed for the isolated Eu(3+) and Tb(3+) complexes as well as for their related silica based materials. A detailed comparative analysis on the photoluminescent properties of the Eu(3+) complex and of its derived silica material was carried out.
publisher AMER SCIENTIFIC PUBLISHERS
issn 1533-4880
year published 2010
volume 10
issue 4
beginning page 2779
ending page 2786
digital object identifier (doi) 10.1166/jnn.2010.1418
web of science category Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
subject category Chemistry; Science & Technology - Other Topics; Materials Science; Physics
unique article identifier WOS:000273984900080
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journal impact factor 1.354
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