Effect of Synthesis Media on Fluorescence Intensity of Organic Complex of Rare Earth Terbium and o-Phchalic Acid

Chem. J. Chinese Universities

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Effect of Synthesis Media on Fluorescence Intensity of Organic Complex of Rare Earth Terbium and o-Phchalic Acid

CUI Dan¹, CAI Wei-Min¹, JIANG Kun², ZHANG Ming-Yan³, CHEN Ye²

1. School of Municipal and Environment Engineering, Harbin Institute of Technology, Harbin 150090, China;
2. College of Chemical Engineering, Harbin University of Engineering, Harbin 150001, China;
3. College of Chemistry and Material Sciences, Heilongjiang University, Harbin 150080, China

Received:2005-10-09 Revised:1900-01-01 Online:2006-09-10 Published:2006-09-10
Contact: CUI Dan

Abstract

Abstract: A series of rare earth complexes were synthesized by changing reaction medium(methanol, ethanol, n-propanol and n-butanol sequentially) for the first time, with Tb³⁺ as the central ion, o-phthalic acid as the ligand. Coordination condition, probable coordination structure and composition of the rare earth complexes were determined by elemental analysis, IR spectra and UV absorption. Fluorescence spectra were determined also. The results showed that fluorescence intensity of the complexes was reduced with the sequence of methanol, ethanol, n-propanol and n-butanol. This may be due to the space effect of the solvent. Magnetic property was measured at 2—300 K and the complex belongs to the antiferromagnetic.

Key words: Rare earth, Medium, Fluorescence, Magnetic property

CLC Number:

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CUI Dan¹, CAI Wei-Min¹, JIANG Kun², ZHANG Ming-Yan³, CHEN Ye². Effect of Synthesis Media on Fluorescence Intensity of Organic Complex of Rare Earth Terbium and o-Phchalic Acid[J]. Chem. J. Chinese Universities, doi: .

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Effect of Synthesis Media on Fluorescence Intensity of Organic Complex of Rare Earth Terbium and o-Phchalic Acid

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