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Issue 4, 2014
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Sr4B10O18(OH)2·2H2O: a new UV nonlinear optical material with a [B10O23]16− building block

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Abstract

A new ultraviolet (UV) nonlinear optical (NLO) crystal Sr4B10O18(OH)2·2H2O has been synthesized using the hydrothermal method. It crystallizes in the triclinic space group P1 (no. 1) with lattice constants a = 6.4991(6) Å, b = 6.5059(6) Å, c = 11.3175(11) Å, α = 88.458(6)°, β = 86.019(5)°, γ = 61.351(5)°, Z = 1. The fundamental building block of the structure is a [B10O23]16− unit which consists of two stereo-isomeric configurations of [B5O12]9− groups. The structure exhibits a [B10O18]6− three dimensional network with 9-membered tunnels along the b-axis where the Sr cation, OH anion and H2O molecule are located. Powder second harmonic generation (SHG) measurements indicate that Sr4B10O18(OH)2·2H2O is type-I phase-matchable and displays a SHG response of about 2 × KH2PO4. The UV-Vis-NIR diffuse reflectance spectrum shows that its cutoff edge is lower than 190 nm. Density functional theory (DFT) calculations on electronic structures and SHG coefficients confirm the experimental results.

Graphical abstract: Sr4B10O18(OH)2·2H2O: a new UV nonlinear optical material with a [B10O23]16− building block

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Publication details

The article was received on 22 Jul 2013, accepted on 21 Oct 2013 and first published on 23 Oct 2013


Article type: Paper
DOI: 10.1039/C3TC31420K
Citation: J. Mater. Chem. C, 2014,2, 667-674
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    Sr4B10O18(OH)2·2H2O: a new UV nonlinear optical material with a [B10O23]16− building block

    F. Zhang, Q. Jing, F. Zhang, S. Pan, Z. Yang, J. Han, M. Zhang and S. Han, J. Mater. Chem. C, 2014, 2, 667
    DOI: 10.1039/C3TC31420K

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