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Pb3(SeO3)Br4: A New Nonlinear Optical Material with Enhanced SHG Response Designed via Ion-substitution Strategy

Abstract

Using an ion-substitution strategy, a new polar material of Pb3(SeO3)Br4 with a great enhanced SHG response has been successfully designed and synthesized through 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 MWcm-2, which is over 12 times than that of AgGaS2 (< 5 MWcm-2) measured at the same condition. All of these suggest that Pb3(SeO3)Br4 would be a candidate for NLO material in the mid-IR region.

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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., 2017, Accepted Manuscript
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    Pb3(SeO3)Br4: A New Nonlinear Optical Material with Enhanced SHG Response Designed via Ion-substitution Strategy

    X. Wang, X. Jiang, H. Liu, L. Yang, Z. Lin, Z. Hu, X. Meng, X. Chen and J. Qin, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT04443G

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