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对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能
Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine
- 发光学报 2010年31卷第5期 页码：661-666
- 作者机构：
1. 北京大学稀土材料化学及应用国家重点实验室 北京,100871
2. 内蒙古大学 化学化工学院,内蒙古 呼和浩特,010021
- 作者简介：
- 基金信息：国家自然科学基金(20461002)();内蒙古自然科学基金(200711020203)资助项目()
DOI：
中图分类号： O482.31纸质出版日期：2010-9-21，
网络出版日期：2010-9-21，
收稿日期：2009-8-6，
修回日期：2009-10-16，
扫 描 看 全 文
周永生, 赵永亮, 胥佳颖, 杜 燕, 李欢欢, 魏晓燕, 马瑞军. 对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能[J]. 发光学报, 2010,31(5): 661-666
ZHOU Yong-sheng, ZHAO Yong-liang, XU Jia-ying, DU Yan, LI Huan-huan, WEI Xiao-yan, MA Rui-jun. Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine[J]. 发光学报, 2010,31(5): 661-666
周永生, 赵永亮, 胥佳颖, 杜 燕, 李欢欢, 魏晓燕, 马瑞军. 对氯苯甲酸-2,4,6-三吡啶基三嗪稀土配合物的合成、表征及发光性能[J]. 发光学报, 2010,31(5): 661-666 DOI：
ZHOU Yong-sheng, ZHAO Yong-liang, XU Jia-ying, DU Yan, LI Huan-huan, WEI Xiao-yan, MA Rui-jun. Synthesis, Characterization and Fluorescence Properties of Rare Earth with p-Chloro-benzoic Acid and 2,4,6-Tris-(2-pyridyl)-s-triazine[J]. 发光学报, 2010,31(5): 661-666 DOI：
摘要
以对氯苯甲酸为第一配体
2
4
6-三吡啶基三嗪(TPTZ)为第二配体
分别以铕、铽和镝为中心
合成了10种稀土配合物
并进行了元素分析、稀土络合滴定、等离子光谱、紫外光谱、红外光谱和发光光谱测定。配合物的组成为:
RE
(p-ClBA)
3
(TPTZ)2H
2
O和
RE
0.5
Ln
0.5
(p-ClBA)
3
(TPTZ)2H
2
O(
RE
=Eu
3+
Tb
3+
Dy
3+
;
Ln
=La
3+
Gd
3+
Y
3+
;p-ClBA=对氯苯甲酸根;TPTZ=2
4
6-三吡啶基三嗪)
均为 非电解质;对氯苯甲酸的羧基氧原子与稀土离子配位
2
4
6-三吡啶基三嗪以主配位点上的3个氮原子与稀土离子配位;铕配合物的发光强度大于铽配合物的
镝配合物发光最弱;在上述3种发光稀土配合物中分别掺入发光惰性稀土离子镧、钆及钇后
发光强度有不同改变
掺入镧可明显增强铕、铽的发光强度
钆可敏化铕、铽和镝的发光
而钇的敏化作用较弱。表明:掺杂配合物并不完全是两种简单配合物的机械混合
而是有混配配合物生成。
Abstract
In this work
ten complexes of europium
terbium and dysprosium with p-chroro-benzoic acid and 2
4
6-tris-(2-pyridyl)-s-triazine (TPTZ) were synthesized and characterized by elemental analysis
rare earth coordination titration and inductively coupled plasma atomic emission spectrometry (ICP)
the results showed that the complexes have the composition of Eu(p-ClBA)
3
(TPTZ)2H
2
O; Tb(p-ClBA)
3
(TPTZ)3H
2
O and Dy(p-ClBA)
3
(TPTZ)2H
2
O; Eu
0.5
La
0.5
(p-ClBA)
3
(TPTZ)2H
2
O
Eu
0.5
Gd
0.5
(p-ClBA)
3
(TPTZ)2H
2
O
Eu
0.5
Y
0.5
(p-ClBA)
3
(TPTZ)2H
2
O
Tb
0.5
La
0.5
(p-ClBA)
3
(TPTZ)2H
2
O Tb
0.5
Gd
0.5
(p-ClBA)
3
-(TPTZ)2H
2
O
Tb
0.5
Y
0.5
(p-ClBA)
3
(TPTZ)2H
2
O and Dy
0.5
Gd
0.5
(p-ClBA)
3
(TPTZ)2H
2
O. The molar conductivity indicated that all the complexes are non-electrolytes. The ligands and the complexes were studied by the means of IR spectra
UV spectra
fluorescence excitation and emission spectra. The results showed that p-chroro-benzoic acid is bonded with rare earth ions through oxygen atoms in the carboxyl group; 2
4
6-tris-(2-pyridyl)-s-triazine through the three nitrogen atoms coordinate with the rare earth ions. The red shift in UV absorption spectra of the complexes is observed
substantiating that a more extensive -
*
conjugating system is formed due to the coordinated reaction. The fluorescence emission intensity of Eu(p-ClBA)
3
(TPTZ)2H
2
O is the strongest compare with other two rare earth complexes . But
the fluorescence emission intensity of Tb
0.5
La
0.5
-(p-ClBA)
3
(TPTZ)2H
2
O is the strongest in the doped rare earth complexes. The doped rare earth ions (La
3+
Gd
3+
and Y
3+
) can sensitize the luminescence of the complexes
it showed that a part of dinuclear complexes are formed.
关键词
对氯苯甲酸246-三吡啶基三嗪稀土配合物掺杂
Keywords
p-chloro-benzoic acid246-tris-(2-pyridyl)-s-triazinerare earth complexesdoping
references
Li Wenlian. luminescence and their applications on lanthanide-organic complexes
. Journal of OptoelectronicsLaser (光电子激光), 1998, 8 (1):1-7 (in Chinese).
Wang Yanli, Chen liuqing, Xu Huixia, et al. Synthesis and spectroscopic properties of 2,6-bis(benzimidazol-2-yl) pyridine zinc acetate
. Chin. J. Lumin.(发光学报), 2008, 29 (1):46-50 (in Chinese).
Shi Xiaoyan, Li Wenxian, Qin Caihua, et al. Synthesis and characterization of quaternary complexes of light rare earth perchlorate with diphenyl sulfoxide, benzoic acid and studies on fluorescence of Eu3+ complex
. Chin. J. Lumin.(发光学报), 2008, 29 (5):772-778 (in English).
Zhang Mei, Zhao Yongliang, Zhao Yanfang, et al. Studies on fluorescence properties of Eu3+ dinuclear complexes with 2-thiopheneacetic acid and o-phenanthroline
. Chin. J. Lumin.(发光学报), 2008, 29 (5):827-832 (in Chinese).
Wei Xiaoyan, Zhao Yongliang, Xue Zhen, et al. Synthesis, Characterization and fluorescence property of Dy3+ with halobenzoic acid and nitrogen-heterocyclic complexes
. Chin. J. Lumin.(发光学报), 2009, 30 (1):108-112 (in Chinese).
Chirayil S, Hegde V, Jahng Y, et al. An unsymmetrical binuclear ruthenium (Ⅱ) complex of tris(2-pyridyl)-1,3,5-triazine and its identification by proton NMR spectroscopy
. Inorg. Chem., 1991, 30 (13):2821-2823.
Gupta N, Grover N, Neyhart G A, et al. Synthesis and properties of new DNA cleavage agents based on oxoruthenium (Ⅳ)
. Inorg. Chem., 1993, 32 (3):310-316.
Robert M Berger, Joel R Holcombe. An electrochemical and spectroelectrochemical investigation of bis (2,2'-bipyridine) (2,4,6-tris(2-pyridyl)triazine)ruthenium(Ⅱ): a potential building block for supramolecular systems
. Inorg. Chim. Acta, 1995, 232 (1-2):217-221.
Robert M Berger, Donald D Ellis II. Unusual electrochemical and spectroscopic behavior in a ligand- bridged binuclear complex of ruthenium (Ⅱ): tetrakis (2,2'-bipyridine)-(-2,4,6-tris(2-pyridyl)triazine) diruthenium(Ⅱ)
. Inorg. Chim. Acta, 1996, 241 (2):1-4.
Zhao Yanfang, Zhao Yongliang, Bai Feng, et al. Synthesis, crystal structure and luminescent property of complex Cl33H2O
. J. Fluoresc., 2009, 19 (1):179-182.
Wang Peng, Wei Changping, Ren Xiaoming. Influences of co-doping metal ions on luminescent properties of (Eu, Tb) rare earth complexes
. Chin. J. Lumin.(发光学报), 2009, 30 (1):97-100 (in Chinese).
Gear W J. The use of conductivity measurements in organic solvents for the characterization of coordination compounds
. Coord. Chem. Rew., 1971, 7 (1):81-122.
Zhang Ganbing, Cheng Zhonglu, Li Zhilong, et al. Fluorescence properties of several binary complexes of terbium with substituted benzoic acid
. J. Hubei University(Natural Science Edition)(湖北大学学报,自然科学版), 1998, 20 (2):161-164 (in Chinese).
Channa R De Silva, Wang Jiafu, Michael D Carducci, et al. Synthesis, structural characterization and luminescence stu-dies of a novel europium(Ⅲ) complex (DBM: dibenzoylmethanate; TPTZ: 2,4,6-tri(2-pyridyl)-1,3,5-triazine)
. Inorg. Chim. Acta, 2004, 357 (2):630-634.
Li Y, Zhao Y L. Intramolecular energy transfer and co-luminescence effect in rare earth ions (La,Y, Ga and Tb) doped with Eu3+ -diketone complexes
. J. Fluoresc., 2009, 19 (4):641-647.
Carnall W T, Fileds P R, Raunaks K. Electronic energy levels of the trivalent lanthanides quoions ∶ Eu3+
. J. Chem. Phys., 1968, 49 (10):4450-4455.
Huang Chunhui. Rare Earth Coordination Chemistry
. Beijing: Science Press, 1997, 363-380.
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