Synthesis, Structure and Photophysical Properties of Zn-Ln(Ⅲ)(Ln=Eu, Tb) Heterometallic Coordination Complexes

Chem. J. Chinese Universities

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Synthesis, Structure and Photophysical Properties of Zn-Ln(Ⅲ)(Ln=Eu, Tb) Heterometallic Coordination Complexes

WANG Zhao-Long¹, NIU Shu-Yun¹*, JIN Jing¹, LÜ Chun-Xin¹, CHI Yu-Xian¹, YANG Guang-Di², YE Ling²

1. School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China;
2. Key Lab of Supramolecular Structure and Materials of Ministry of Education, Jilin University, Changchun 130012, China

Received:2006-09-15 Revised:1900-01-01 Online:2007-05-10 Published:2007-05-10
Contact: NIU Shu-Yun

Abstract

Abstract: Two d-f heterometallic coordination complexes EuZn(C₈H₇O₃)₅(phen)(H₂O)(1) and TbZn(C₈H₇O₃)₅(phen)(H₂O)(2) were synthesized with hydrothermal reaction. These two complexes exhibit strong luminesecent emission. The crystal structures of the two complexes were determined via X-ray diffraction. The two complexes are isomorphic. Zn(Ⅱ) ion is five-coordinated and Ln(Ⅲ) ion is eight-coordinated. Zn(Ⅱ) and Ln(Ⅲ) ions are bridged by 4-methoxybenzoic acid ligands. The UV-Vis-NIR, IR and fluorescence spectra of the complexes were measured. The influence of coordination environment on the luminescence property and intramolecular energy transfer of complexes were discussed.

Key words: Zn-Ln complex, Synthesis, Crystal structure, Photophysics

CLC Number:

O614

TrendMD:

WANG Zhao-Long¹, NIU Shu-Yun¹*, JIN Jing¹, LÜ Chun-Xin¹, CHI Yu-Xian¹, YANG Guang-Di², YE Ling². Synthesis, Structure and Photophysical Properties of Zn-Ln(Ⅲ)(Ln=Eu, Tb) Heterometallic Coordination Complexes[J]. Chem. J. Chinese Universities, doi: .

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Synthesis, Structure and Photophysical Properties of Zn-Ln(Ⅲ)(Ln=Eu, Tb) Heterometallic Coordination Complexes

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