✦ LIBER ✦

A new family of dimeric lanthanide (III) complexes: Synthesis, structures and photophysical property

✍ Scribed by Yan Huang; Bing Yan; Min Shao; Zhenxia Chen

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 485 KB
Volume: 871
Category: Article
ISSN: 0022-2860
DOI: 10.1016/j.molstruc.2007.01.048

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✦ Synopsis

A new family of lanthanide complexes with the general formula {[Ln(nphth)(Hnphth)(H 2 O) 3 AEH 2 O] 2 } n (Ln = Pr, Eu, Gd, Tb, Dy, 1-5 and H 2 nphth = 3-nitrophthalic acid) have been synthesized under hydrothermal condition and four of them have been characterized by single-crystal X-ray diffraction and spectroscopy. These compounds are isostructural and the lanthanide ions are all nine coordinated and europium complex emits characteristic red fluorescence of Eu 3+ ions at room temperature while other three lanthanide complexes exhibit the particular emission ascribed H 2 nphth ligand, which suggest that the different energy transfer process takes place.

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