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Synthesis of lanthanide-based SBA-15 mesoporous hybrids by a novel route

Zheng Li, Jing-Jian Zhou, Si-Yu Zuo, Xiao Yuan, Chen-Chen Ma, Yi-Shan Song, and Hua Zhang

Department of Chemistry, College of Food Science & Technology, Shanghai Ocean University, Shanghai 201306, China

 

E-mail: yssong@shou.edu.cn

Abstract: The ligand N2,N6-bis(2-hydroxyethyl)pyridine-2,6-dicarboxamide (L or BHPC) was synthesised by modification of 2,6-pyridinedicarboxylic acid then used to construct the lanthanide-based mesoporous material Tb-BHPC-SBA-15. In the structure of the resulting Tb-BHPC-SBA-15, lanthanide ions were chelated by the BHPC ligand and the Tb-BHPC complexes were anchored into the SBA-15 host formed by the reaction between the hydroxyl group and the active Si-OH. The mesoporous material Tb-BHPC-SBA-15 was characterised by UV, small-angle X-ray diffraction (SAXRD) patterns, nitrogen adsorption/desorption isotherms and fluorescence spectra. The results indicate that the ligand and lanthanide ions were introduced into the SBA-15 host and the mesoporous material Tb-BHPC-SBA-15 exhibited the characteristic luminescence of Tb3+.

Keywords: lanthanide – mesoporous material – luminescence

Full paper is available at www.springerlink.com.

DOI: 10.1515/chempap-2015-0172

 

Chemical Papers 69 (12) 1625–1632 (2015)

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