K2SrP4O12: a deep-UV transparent cyclophosphate as a nonlinear optical crystal

Zhiyong Bai; Lehui Liu; Lizhen Zhang; Yisheng Huang; Feifei Yuan; Zhoubin Lin

doi:10.1039/C9CC04192C

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K₂SrP₄O₁₂: a deep-UV transparent cyclophosphate as a nonlinear optical crystal†

Zhiyong Bai,

^ab Lehui Liu,^a Lizhen Zhang,^a Yisheng Huang,^a Feifei Yuan^a and Zhoubin Lin*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, P. R. China
E-mail: lzb@fjirsm.ac.cn

^b University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Abstract

Benefiting from high transmittance of PO₄ tetrahedra in the deep-ultraviolet (deep-UV) region, phosphates have been investigated as deep-UV nonlinear optical (NLO) candidates for years. So far, reported deep-UV NLO phosphates are orthophosphates and polyphosphates while cyclophosphates, important members of the phosphates family, have usually been neglected for use as deep-UV NLO crystals. Here, we first report a novel cyclotetraphosphate K₂SrP₄O₁₂ (KSPO) as a deep-UV transparent NLO crystal. In its structure, the fundamental building groups are ring [P₄O₁₂]⁴⁻ groups. KSPO exhibits a moderate second-harmonic generation (SHG) response that is 0.5 times that of KH₂PO₄ (KDP) and a short deep-ultraviolet absorption edge smaller than 200 nm.

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Article information

DOI: https://doi.org/10.1039/C9CC04192C
Article type: Communication
Submitted: 31 May 2019
Accepted: 18 Jun 2019
First published: 19 Jun 2019

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Chem. Commun., 2019,55, 8454-8457

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K₂SrP₄O₁₂: a deep-UV transparent cyclophosphate as a nonlinear optical crystal

Z. Bai, L. Liu, L. Zhang, Y. Huang, F. Yuan and Z. Lin, Chem. Commun., 2019, 55, 8454 DOI: 10.1039/C9CC04192C

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