SYNTHESIS AND SPECTRAL STUDY OF SEVERAL SOLID M3[EU(2,6-PYRIDINEDICARBOXYLATE)3] SALTS (M = LI+, NA+, K+, RB+, CS+, NH4+, AND PYRIDINIUM+)

被引:14
|
作者
STUMP, NA
SCHWEITZER, GK
PESTERFIELD, LL
PETERSON, JR
MURRAY, GM
机构
[1] UNIV MARYLAND,DEPT CHEM,CATONSVILLE,MD 21228
[2] WESTERN KENTUCKY UNIV,DEPT CHEM,BOWLING GREEN,KY 42101
[3] OAK RIDGE NATL LAB,DIV CHEM,TRANSURANIUM RES LAB,OAK RIDGE,TN 37831
关键词
EU-3+ LUMINESCENCE; 2,6-PYRIDINEDICARBOXYLATE; COUNTERION EFFECT;
D O I
10.1080/00387019208017874
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
Salts of the [Eu(2,6-pyridinedicarboxylate)3]3- complex anion and various monovalent inorganic and organic counterions (Li+, Na+, K+, Rb+, Cs+, NH4+, and pyridinium+) have been synthesized and studied by emission spectroscopy. The Eu3+ ion emission spectra exhibited by these salts have been observed with high resolution (less than 1.0 cm-1) and at low temperature (77 K). The emission spectra of these compounds indicate that changing the attached counterion does not affect the site symmetry observed by the europium ion beyond slight distortions indicated by small shifts in the energies of the Eu3+, electronic levels.
引用
收藏
页码:1421 / 1432
页数:12
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