Ligand N^(2),N^(6)-bis(2-hydroxyethyl)pyridine-2,6-dicarboxamide(L=BHPC)was synthesized and used to construct lanthanide-based mesoporous material Eu-L-MCM-41.In the structure of resulting Eu-L-MCM-41,Eu^(3+)was chela...Ligand N^(2),N^(6)-bis(2-hydroxyethyl)pyridine-2,6-dicarboxamide(L=BHPC)was synthesized and used to construct lanthanide-based mesoporous material Eu-L-MCM-41.In the structure of resulting Eu-L-MCM-41,Eu^(3+)was chelated by BHPC,and the Eu-L complexes were anchored into the forming MCM-41 host by the reaction between the hydroxyl group and active Si-OH.The mesoporous material Eu-L-MCM-41 was characterized by UV,IR,small-angle X-ray diffraction(SAXRD)patterns,nitrogen adsorption/desorption isotherms,TGA and fluorescence spectra.The results indicate that ligand and Eu^(3+) have been introduced into the MCM-41 host,and Eu-L-MCM-41 exhibits characteristic luminescence of Eu^(3+).展开更多
基金supported by the Undergraduate Innovation Project of Shanghai Ocean University(201331015074).
文摘Ligand N^(2),N^(6)-bis(2-hydroxyethyl)pyridine-2,6-dicarboxamide(L=BHPC)was synthesized and used to construct lanthanide-based mesoporous material Eu-L-MCM-41.In the structure of resulting Eu-L-MCM-41,Eu^(3+)was chelated by BHPC,and the Eu-L complexes were anchored into the forming MCM-41 host by the reaction between the hydroxyl group and active Si-OH.The mesoporous material Eu-L-MCM-41 was characterized by UV,IR,small-angle X-ray diffraction(SAXRD)patterns,nitrogen adsorption/desorption isotherms,TGA and fluorescence spectra.The results indicate that ligand and Eu^(3+) have been introduced into the MCM-41 host,and Eu-L-MCM-41 exhibits characteristic luminescence of Eu^(3+).
