Issue 31, 2015

Lanthanide coordination polymers constructed from 5-(1H-tetrazol-5-yl)isophthalic acid ligand: white light emission and color tuning

Abstract

A series of lanthanide coordination polymers (LnCPs), namely [Ln(TZI) (H2O)5]n (1–5) [Ln = Nd (1), Eu (2), Gd (3), Tb (4) and Sm (5)], were synthesized through the self-assembly of 5-(1H-tetrazol-5-yl)isophthalic acid (H3TZI) ligand and lanthanide ions. X-ray crystallographic analysis reveals that compounds 1–5 are isostructural, featuring a 1D double-chain structure. The luminescence spectra in the solid state reveal that compounds 2 and 4 exhibit the characteristic luminescence of Eu(III) and Tb(III) ions, respectively, while compound 3 exhibits much enhanced blue-green emission which is derived from the H3TZI ligand. Further, by introducing single dopant Eu(III) and codopants Eu(III)/Tb(III) into the Gd(III) framework, white light emission and color-tunable luminescence from yellow to blue were realized.

Graphical abstract: Lanthanide coordination polymers constructed from 5-(1H-tetrazol-5-yl)isophthalic acid ligand: white light emission and color tuning

Supplementary files

Article information

Article type
Paper
Submitted
28 Apr 2015
Accepted
18 Jun 2015
First published
19 Jun 2015

CrystEngComm, 2015,17, 6030-6036

Author version available

Lanthanide coordination polymers constructed from 5-(1H-tetrazol-5-yl)isophthalic acid ligand: white light emission and color tuning

J. Jia, J. Xu, S. Wang, P. Wang, L. Gao, M. Yu, Y. Fan and L. Wang, CrystEngComm, 2015, 17, 6030 DOI: 10.1039/C5CE00823A

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