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Issue 6, 2018
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Pb3(SeO3)Br4: a new nonlinear optical material with enhanced SHG response designed via an ion-substitution strategy

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Abstract

Using an ion-substitution strategy, herein, a new polar material, Pb3(SeO3)Br4, with a greatly enhanced SHG response has been successfully designed and synthesized through a hydrothermal reaction. Pb3(SeO3)Br4 crystallizes in the NCS space group P212121 and consists of a three-dimensional framework formed by interconnecting one-dimensional chains, with a good thermal stability up to 230 °C. This compound exhibits a phase-matchable SHG response as strong as that of KH2PO4 (KDP) and a relatively wide mid-infrared (mid-IR) transparent window. Moreover, the optical band gap of Pb3(SeO3)Br4 reaches about 3.35 eV, thus leading to a high laser damage threshold (LDT) of 67 MW cm−2, which is over 12 times that of AgGaS2 (<5 MW cm−2) measured under the same condition. All these findings suggest that Pb3(SeO3)Br4 would be a candidate for an NLO material in the mid-IR region.

Graphical abstract: Pb3(SeO3)Br4: a new nonlinear optical material with enhanced SHG response designed via an ion-substitution strategy

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Publication details

The article was received on 25 Nov 2017, accepted on 24 Dec 2017 and first published on 02 Jan 2018


Article type: Paper
DOI: 10.1039/C7DT04443G
Citation: Dalton Trans., 2018,47, 1911-1917
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    Pb3(SeO3)Br4: a new nonlinear optical material with enhanced SHG response designed via an ion-substitution strategy

    X. Wang, X. Jiang, H. Liu, L. Yang, Z. Lin, Z. Hu, X. Meng, X. Chen and J. Qin, Dalton Trans., 2018, 47, 1911
    DOI: 10.1039/C7DT04443G

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