Issue 21, 2017
From the journal:

New Journal of Chemistry

Lanthanide functionalized hybrid materials of polyoxometallate based metal–organic frameworks for multi-color luminescence†

G. D. Jiaa  and  B. Yan ORCID logo *a  

* Corresponding authors

a School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China
E-mail: byan@tongji.edu.cn

Abstract

This work mainly studies lanthanide functionalized hybrids of polyoxometallate (POM) based metal–organic frameworks (MOFs). Firstly, four kinds of lanthanide ions are introduced into porous material COK-15 ((CTA)1[Cu46(BTC)24(OH)12](PW12O40)3·xH2O, CTA = hexadecyltrimethylammonium cation) through ionic exchange and substitution. Energy transfer from phosphotungstic acid ions (PW12O403−) and 1,3,5-benzenetricarboxylate (H3BTC) to lanthanide ions (Ln3+, Ln = Eu, Tb, Sm, Dy) results in the characteristic emission of Ln3+ in the corresponding hybrids (Ln3+⊂COK-15). Among Eu3+⊂COK-15 hybrid system displays multi-color light from blue to red with different amounts of Eu3+ and a white luminescence (x = 0.3845, y = 0.303) is obtained through tuning an appropriate amount of Eu3+ and a suitable excitation wavelength.

Graphical abstract: Lanthanide functionalized hybrid materials of polyoxometallate based metal–organic frameworks for multi-color luminescence

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Article information

DOI
https://doi.org/10.1039/C7NJ02824E
Article type
Paper
Submitted
01 Aug 2017
Accepted
25 Sep 2017
First published
26 Sep 2017

New J. Chem., 2017,41, 12795-12800

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Lanthanide functionalized hybrid materials of polyoxometallate based metal–organic frameworks for multi-color luminescence

G. D. Jia and B. Yan, New J. Chem., 2017, 41, 12795 DOI: 10.1039/C7NJ02824E

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