Issue 37, 2015

A study on K2SbF2Cl3 as a new mid-IR nonlinear optical material: new synthesis and excellent properties

Abstract

To search for a new nonlinear optical (NLO) material to be used in the mid-IR region with excellent comprehensive performance including high laser damage threshold (LDT), K2SbF2Cl3 has been synthesized by the hydrothermal method, and its potential as such a new material is evaluated for the first time. Its powder shows phase-matchable second harmonic generation (SHG) response of approximately 4 times as strong as that of KH2PO4 (KDP). Its optical band gap is 4.01 eV, which is much wider than the band gaps of the currently commercialised IR NLO crystals. This means that K2SbF2Cl3 will exhibit a much higher LDT. Its powder also exhibits excellent transparency in the range of 0.31–14 μm and good thermal stability. The relationship between the composition, crystal structure and properties is discussed. These results indicate that K2SbF2Cl3 is a promising candidate for IR NLO materials.

Graphical abstract: A study on K2SbF2Cl3 as a new mid-IR nonlinear optical material: new synthesis and excellent properties

Supplementary files

Article information

Article type
Paper
Submitted
09 Jun 2015
Accepted
12 Aug 2015
First published
13 Aug 2015

J. Mater. Chem. C, 2015,3, 9588-9593

Author version available

A study on K2SbF2Cl3 as a new mid-IR nonlinear optical material: new synthesis and excellent properties

Y. Huang, X. Meng, P. Gong, Z. Lin, X. Chen and J. Qin, J. Mater. Chem. C, 2015, 3, 9588 DOI: 10.1039/C5TC01687H

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