Issue 14, 2017

Two 3D nonlinear optical and luminescent lanthanide-organic frameworks with multidirectional helical intersecting channels

Abstract

Two chiral lanthanide-organic frameworks, [Ln(Hpzc)(Hida)]n (1: Ln = Eu 1a; Sm 1b; H2pzc = pyrazole-3-carboxylic acid, H3ida = iminodiacetic acid) based on rigid and flexible ligands were hydrothermally synthesized and characterized. Both compounds 1a and 1b possess unprecedented 3D 3,5-connected lanthanide-organic frameworks with intersecting multidirectional helical channels. The luminescence properties reveal that complexes 1a and 1b exhibit the characteristic emission bands of Ln3+ ions. The photoluminescence spectrum of 1a reveals characteristic line-splitting at room temperature, depending on the site-symmetry of Eu3+ ions in the complex. Second-harmonic generation (SHG) measurements reveal that 1a exhibits moderate SHG signals.

Graphical abstract: Two 3D nonlinear optical and luminescent lanthanide-organic frameworks with multidirectional helical intersecting channels

Supplementary files

Article information

Article type
Paper
Submitted
31 Mar 2017
Accepted
02 Jun 2017
First published
02 Jun 2017

New J. Chem., 2017,41, 6736-6741

Two 3D nonlinear optical and luminescent lanthanide-organic frameworks with multidirectional helical intersecting channels

Y. Sun, Q. Liu, L. Liu, L. Ding and Y. Chen, New J. Chem., 2017, 41, 6736 DOI: 10.1039/C7NJ01081H

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