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Issue 7, 2009
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Synthesis, crystal structures, and luminescent properties of eleven new lanthanide and yttrium complexes with fluorescent whitener and 1,10-phenanthroline

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Abstract

Eleven new lanthanide and yttrium complexes: [M(phen)2(L)(H2O)2]2·(L)·2H2O (M = Er (1), Dy (2), Yb (3), Y (4), Sm (5), Tb (6), Ho (7), Eu (8), Nd (9), Tm (10), Gd (11); L = 4,4′-bis(2-sulfonatostyryl)biphenyl; phen = 1,10-phenanthroline), have been rationally synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction together with powder XRD, elemental analyses (EA), IR, thermogravimetric analysis (TGA) and diffuse absorption. Powder XRD patterns of solids 1–11 demonstrate that these compounds are isomorphous. X-Ray single-crystal diffraction reveals that these complexes possess an interesting [M(phen)2(L)(H2O)2]22+ dimer, which is arranged further to form a 3D structure through hydrogen bonds. Solids 1–11 exhibit attractive photoluminescence due to the L anions lying in two different environments. Especially, the luminescent color of solids 2–8 and the lifetime of solid 6 can be reversibly tuned by shifting the wavelength of excited light.

Graphical abstract: Synthesis, crystal structures, and luminescent properties of eleven new lanthanide and yttrium complexes with fluorescent whitener and 1,10-phenanthroline

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Supplementary files

Article information


Submitted
10 Feb 2009
Accepted
25 Feb 2009
First published
27 Mar 2009

New J. Chem., 2009,33, 1508-1514
Article type
Paper

Synthesis, crystal structures, and luminescent properties of eleven new lanthanide and yttrium complexes with fluorescent whitener and 1,10-phenanthroline

R. Fu, S. Hu, T. Sheng and X. Wu, New J. Chem., 2009, 33, 1508
DOI: 10.1039/B902803J

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