HRS AND RAMAN SPECTRUM OF Eu(p-PBA)3phen1/2H2O

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HRS AND RAMAN SPECTRUM OF Eu(p-PBA)₃phen1/2H₂O

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- HRS AND RAMAN SPECTRUM OF Eu(p-PBA)₃phen1/2H₂O
- Chinese Journal of Luminescence Vol. 18, Issue 2, Pages: 148-154(1997)
- 作者机构：
  
  1. 中国科学院激发态物理开放研究实验室, 长春 130021
  2. 北京师范大学化学系, 北京 100875
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：30 May 1997，
  
  Received：27 September 1996，
- 稿件说明：
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HRS AND RAMAN SPECTRUM OF Eu(p-PBA)₃phen1/2H₂O. [J]. Chinese journal of luminescence, 1997, 18(2): 148-154.
DOI：

HRS AND RAMAN SPECTRUM OF Eu(p-PBA)₃phen1/2H₂O. [J]. Chinese journal of luminescence, 1997, 18(2): 148-154. DOI：

摘要

配合物Eu(

-PBA)

phen1/2H

-PBA:对苯基苯甲酸酸根离子;phen:邻菲咯啉)在紫外光激发下

能发出很强的红色荧光.以Eu(Ⅲ)离子为光谱探针

77K下测得其高分辨激发和发射光谱

选择激发配合物的

能级

得到两组不同的发光光谱

表明配合物中Eu(Ⅲ)离子有两种不同的化学环境.配合物的喇曼光谱中

羧基阴离子的反对称伸缩振动和对称伸缩振动谱带是明显分裂和带肩峰的宽带

说明配合物中羧基同时存在多种配位方式.

Abstract

The complex Eu(

-PBA)

phen1/2H

PBA:

-phenylbenzoate

phen: 1

10-phenanthroline)strongly fluoresces under the ultraviolet laser excitation. Excitation and luminescence spectra were recorded at 77 K. Two distinct sets of

→

luminescence spectra show that there are two Eu(Ⅲ)sites in the complex. Raman bands of asymmetric and symmetric stretching vibrations of the coordinated carboxylate groups are split and broadened

that indicates the carboxylates are coordinated to the europium ion in more than one modes.

关键词

铕配合物高分辨光谱(HRS)喇曼光谱

Keywords

europium complexhigh-resolved spectrum(HRS)Raman spectrum

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