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Issue 21, 2019
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Impressive second harmonic generation response in a novel phase-matchable NLO-active MOF derived from achiral precursors

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Abstract

It is highly desirable but challenging to design and synthesize novel non-centrosymmetric (NCS) metal–organic frameworks (MOFs) with excellent nonlinear optical (NLO) properties. And the origin of their NLO responses remains vague. Herein, a novel 1D Zn-based MOF with unique zigzag helical chains, [Zn(bct)(H2O)2] (MOF-FJ1), has been prepared from achiral precursors. It crystallizes in an NCS space group P212121 (no. 19) and is found to be a remarkable NLO material with a strong second-harmonic-generation (SHG) response (3.5 × commercial KH2PO4 (KDP)) and high laser-induced damage threshold (1.6 × commercial KDP). Moreover, theoretical calculations based on the length-gauge formalism are discussed to unveil a deepened cognition of the structure–property relationship, providing theoretical insight into the origin of the NLO response.

Graphical abstract: Impressive second harmonic generation response in a novel phase-matchable NLO-active MOF derived from achiral precursors

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Article information


Submitted
07 Apr 2019
Accepted
29 Apr 2019
First published
29 Apr 2019

J. Mater. Chem. C, 2019,7, 6217-6221
Article type
Communication

Impressive second harmonic generation response in a novel phase-matchable NLO-active MOF derived from achiral precursors

Y. Zhang, B. Li, H. Lin, Z. Ma, X. Wu and Q. Zhu, J. Mater. Chem. C, 2019, 7, 6217
DOI: 10.1039/C9TC01867K

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