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Issue 15, 2018
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A beryllium-free deep-UV nonlinear optical material CsNaMgP2O7 with honeycomb-like topological layers

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Abstract

Few nonlinear optical (NLO) materials are available for deep-UV second-harmonic generation (SHG), limited by the fundamental requirements of the structure-directing optical properties. KBe2BO3F2 is the sole exception, but it suffers from the high toxicity of the compositional beryllium element and a serious layering growth tendency. Here, we report a beryllium-free deep-UV NLO phosphate with honeycomb-like topological structural layers, namely, CsNaMgP2O7. The phosphate exhibits an enhanced SHG response of 1.1 times that of KH2PO4, which is comparable to that of KBe2BO3F2. Based on theoretical analysis, the enhanced SHG response can be well rationalized. Meanwhile, CsNaMgP2O7 possesses a reinforced interlayer bonding of about 2.95 times that of KBe2BO3F2, which is very favorable to mitigate the layering growth tendency. This work will be helpful to better understand the structure–property relationships in deep-UV NLO materials.

Graphical abstract: A beryllium-free deep-UV nonlinear optical material CsNaMgP2O7 with honeycomb-like topological layers

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Publication details

The article was received on 26 Jan 2018, accepted on 25 Feb 2018 and first published on 26 Feb 2018


Article type: Paper
DOI: 10.1039/C8TC00415C
Citation: J. Mater. Chem. C, 2018,6, 3910-3916
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    A beryllium-free deep-UV nonlinear optical material CsNaMgP2O7 with honeycomb-like topological layers

    S. Zhao, Y. Yang, Y. Shen, X. Wang, Q. Ding, X. Li, Y. Li, L. Li, Z. Lin and J. Luo, J. Mater. Chem. C, 2018, 6, 3910
    DOI: 10.1039/C8TC00415C

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