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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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Publication details

The article was received on 07 Apr 2019, accepted on 29 Apr 2019 and first published on 29 Apr 2019


Article type: Communication
DOI: 10.1039/C9TC01867K
J. Mater. Chem. C, 2019, Advance Article

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    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, Advance Article , DOI: 10.1039/C9TC01867K

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