Synthesis,characterization and fluorescence properties of a novel rare earth complex for anti-counterfeiting material |
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| Authors: | Miao ZHAO Peng XI Xiaohua GU Zongren LI Mingming GAO Bowen CHENG |
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| Affiliation: | 1. State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300160, China;2. State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, Institute of Chemistry, the Chinese Academy of Sciences, Beijing 100080, China;3. School of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China |
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| Abstract: | A novel ligand with two ester groups, two benzene rings and two carboxyl groups was synthesized. The composition and structure of the ligand were characterized by the Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectrum (NMR) and UV spectrometer. The rare-earth complex with the ligand and 1, 10-phenanthroline (phen) was synthesized and structurally characterized by FT-IR, TG and fluorescent spectrometer. The results showed that the novel multicarboxyl ligand could efficiently transfer the energy to Eu3+ ions in the complex and sensitize the luminescence of the rare earth ions, and the complex could emit strong fluorescence of the rare earth ions. |
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