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Issue 2, 2017
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LiRb2PO4: a new deep-ultraviolet nonlinear optical phosphate with a large SHG response

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Abstract

A new deep-ultraviolet nonlinear optical phosphate, LiRb2PO4, has been grown by the top seeded solution growth method. Its structure was determined by single-crystal X-ray diffraction. It crystallizes in the orthorhombic space group Cmc21 and reveals a three dimensional framework composed of isolated PO4, LiO4 tetrahedra and RbOn polyhedra (n = 8 and 10). The powder second-harmonic generation efficiency (SHG) measurements reveal that LiRb2PO4 displays a remarkable SHG effect 2.1 times that of KDP. Moreover, LiRb2PO4 is type-I phase-matchable. Remarkably, LiRb2PO4 was observed to possess a large transmission region with the cut-off edge below 170 nm. These excellent properties make LiRb2PO4 a possible deep-ultraviolet nonlinear optical crystal. An analysis of theoretical calculations by density functional theory was made to illustrate the relationships between the structure and the properties of LiRb2PO4.

Graphical abstract: LiRb2PO4: a new deep-ultraviolet nonlinear optical phosphate with a large SHG response

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Publication details

The article was received on 20 Oct 2016, accepted on 21 Nov 2016 and first published on 21 Nov 2016


Article type: Paper
DOI: 10.1039/C6TC04565K
Citation: J. Mater. Chem. C, 2017,5, 269-274
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    LiRb2PO4: a new deep-ultraviolet nonlinear optical phosphate with a large SHG response

    L. Li, Y. Wang, B. Lei, S. Han, Z. Yang, H. Li and S. Pan, J. Mater. Chem. C, 2017, 5, 269
    DOI: 10.1039/C6TC04565K

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