Phenanthroline-functionalized MCM-41 doped with europium ions

被引：82

作者：

Li, HR ^{[1
]}

Lin, J ^{[1
]}

Fu, LS ^{[1
]}

Guo, JF ^{[1
]}

Meng, QG ^{[1
]}

Liu, FY ^{[1
]}

Zhang, HJ ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2002年 / 55卷 / 01期

基金：

中国国家自然科学基金;

关键词：

phenanthroline; MCM-41; europium ions; luminescence; mesostructure;

D O I：

10.1016/S1387-1811(02)00410-9

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Organo-functionalized MCM-41 containing non-covalently linked 1,10-phenanthroline (denoted as Phen-MCM-41) was synthesized by template-directed co-condensation of tetraethoxysilane and the modified phenanthroline (denoted as Phen-Si). XRD, FTIR, UV/VIS spectroscopy as well as luminescence spectroscopy were employed to characterize Phen-MCM-41. No disintegration or loss of the Phen-Si during the solvent extraction procedure could be observed. When monitored by the ligand absorption wavelength (272 nm), the undoped MCM-41 produces a broad band emission centered at 450 run, whereas europium (III) doped Phen-MCM-41 displays the emission of the Eu3+, i.e., D-5(0) --> F-7(J) (J = 0, 1, 2, 3, 4) transition lines due to the energy transfer from the ligands to Eu3+ as well as a broad band emission centered at 442 nm. (C) 2002 Published by Elsevier Science Inc.

引用

页码：103 / 107

页数：5

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