Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 63, Issue 23, Pages 4068-4076Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2010.531130
Keywords
2; 4; 6-Pyridinetricarboxylic acid; Photoluminescence; Samarium; Dysprosium; Lanthanide
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Funding
- Education Department of Henan Province [2009B150026]
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Two rare earth coordination compounds with 2,4,6-pyridinetricarboxylic acid (H3pta) have been synthesized by the hydrothermal method; the formula is {[RE(pta)(H2O)3] center dot H2O}n [RE = Sm (1) and Dy (2)]. Complexes 1 and 2 are crystallized in the monoclinic crystal system with P21/c space group. X-ray structure analyses show the two complexes have the same structure. Each pta3- connects three rare earth ions. Both the Sm(III) and Dy(III) complexes exhibit characteristic luminescence in the visible region upon excitation with UV-rays.
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