| 光谱学与光谱分析 |
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| Study on Preparations and Fluorescent Properties of Rare Earth Complex with Property of Fluorescence Sensor |
| TAO Dong-liang1,2,3, LI Hui-zhen4, CUI Yu-min1,3, JIA Ya-li4, LIU Shao-xuan2, XU Yi-zhuang2*, WANG Yong-zhong1, CHEN Ji-tang1, SHI Rui-juan1,3, ZHANG Wen-bao1, QIAO Xue-ling1, SUN Wen-zhong1, ZHANG Hong1 |
1. College of Chemistry and Chemical Industry, Fuyang Normal College, Fuyang 236041, China
2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
3. Anhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the Environment, Fuyang 236041, China
4. School of Chemistry and Environmental Science, Henan Normal University, Xinxiang 453002, China |
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Abstract Europium chloride, 2-thienylformyltrifluoroacetone and sodium silicate were used to synthesize new-style rare earth complex (Eu-TNS). By adding into dichloromethane solution containing Eu-TNS, the fluorescent intensities were enhanced gradually and regularly. High-resolution mass spectrometry was used to detect the formula of Eu-TNS, which belongs to multi-core rare-earth complex. Polarity of solution increasing by adding absolute ethanol will cause Eu-TNS to dissociate, which enhances the fluoresceot intensities of Eu-TNS solution. This rare earth complex Eu-TNS can be employed as fluorescence sensor to detect the content of ethanol in organic solvent.
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Received: 2011-11-11
Accepted: 2012-02-25
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Corresponding Authors:
XU Yi-zhuang
E-mail: xyz@pku.edu.cn
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