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内蒙古大学 化学化工学院,内蒙古 呼和浩特,010021
收稿日期:2009-09-10,
修回日期:1900-01-02,
网络出版日期:2010-06-30,
纸质出版日期:2010-06-30
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王 艳, 赵永亮, 李欢欢, 等. 苯氧乙酸、邻菲啰啉铽-钇配合物的合成、表征及荧光性能[J]. 发光学报, 2010,31(3):405-410.
WANG Yan, ZHAO Yong-liang, LI Huan-huan, et al. Synthesis, Characterization and Fluorescence Properties of Y3+ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline[J]. Chinese journal of luminescence, 2010, 31(3): 405-410.
王 艳, 赵永亮, 李欢欢, 等. 苯氧乙酸、邻菲啰啉铽-钇配合物的合成、表征及荧光性能[J]. 发光学报, 2010,31(3):405-410. DOI:
WANG Yan, ZHAO Yong-liang, LI Huan-huan, et al. Synthesis, Characterization and Fluorescence Properties of Y3+ -Doped Terbium Complexes with Phenoxyacetic Acid and 1,10-Phenanthroline[J]. Chinese journal of luminescence, 2010, 31(3): 405-410. DOI:
以苯氧乙酸和邻菲啰啉为配体
不同比例铽钇为中心
在无水乙醇中合成了一系列铽掺钇配合物。元素分析和稀土络合滴定推测配合物的组成为Tb
x
Y
1-x
(POA)
3
phen·1/2H
2
O (POA
-
=C
6
H
5
OCH
2
COO
-
x=1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1)。红外光谱测试表明
苯氧乙酸的羧基氧及苯氧基氧与稀土离子配位。邻菲啰啉的两个氮原子也与稀土离子配位;热分析表明:该系列配合物在274 ℃附近失去配位水
温度高于576 ℃发生氧化分解。荧光光谱测试结果表明:该系列配合物都可发出较强的特征荧光
在一定比例范围内
钇可以增强铽的发光
组成为配合物Tb
0.7
Y
0.3
(POA)
3
phen·1/2H
2
O荧光最强;荧光寿命与荧光强度变化一致。
A series of Y
3+
-doped terbium complexes with phenoxyacetic acid and 1
10-phenanthroline were synthesized in anhydrous alcohol. Elemental analysis and rare earth complexometic titration showed that the composition of the complexes are Tb
x
Y
1-x
(POA)
3
phen·1/2H
2
O(POA=C
6
H
5
OCH
2
COO
-
x=1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2 and 0.1). The IR absorption spectra indicated that the rare earth ions are bounded with the oxygen atoms of phenoxyacetic acid and phenoxy
and with two nitrogen atoms of 1
10-phenanthroline. Thermogram and thermogravimetric analysis indicated that the complexes release coordinated water at about 274 ℃ and they are stable below 576 ℃. Fluorescent spectra showed that the fluorescence intensity of the series Tb
3+
complexes can be greatly enhanced if some of terbium ions in the complexes are substituted by Y
3+
. The fluorescence lifetime of the complexes exhibits the similar feature to the fluorescence intensities.
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