Crystal growth, optical, luminescence, SHG and THG exploration of an inorganic noncentrosymmetric alkaline borate crystal: K2B4O5(OH)4·3·6H2O(KBOH) for photonic and optical limiting applications

A potential, nonlinear optical alkaline borate crystal K 2 B 4 O 5 (OH) 4 ·3·6H 2 O(KBOH) was crystallized from aqueous solution by slow evaporation method. In this asymmetric unit cell, BO 4 the tetrahedral coordination geometries and the BO 3 triangular planar coordination geometries are linked by...

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Veröffentlicht in:Journal of materials science. Materials in electronics 2023-07, Vol.34 (19), p.1476, Article 1476
Hauptverfasser: Dilli Rani, A., Nageshwari, M., Rathika Thaya Kumari, C., Ramesh, P., Sangeetha, P., Vinitha, G, Lydia Caroline, M., Kumaresan, S.
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Sprache:eng
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Zusammenfassung:A potential, nonlinear optical alkaline borate crystal K 2 B 4 O 5 (OH) 4 ·3·6H 2 O(KBOH) was crystallized from aqueous solution by slow evaporation method. In this asymmetric unit cell, BO 4 the tetrahedral coordination geometries and the BO 3 triangular planar coordination geometries are linked by common O atoms to form the isolated B 4 O 7 group. Single crystal XRD was taken to know the structural parameters and revealed orthorhombic crystal system comprising a 3D network. UV–Vis absorption spectrum shows that crystal has wide optical transparency in 200–1100 nm range. The functional groups of the K 2 B 4 O 5 ·(OH) 4 ·3·6H 2 O crystal were analyzed by FT–IR spectrum. The mechanical strength and the luminescence response of the crystal have been tested by Vicker’s microhardness and photoluminescence study. The chemical stability was presented by HOMO–LUMO energy values. The intermolecular interaction is evident from the 3 d -Hirshfeld surface and 2 d -fingerprint plot. The dielectric property of the grown crystal was established by dielectric measurements. Thermal analyses reveal that the material has good thermal stability. The second harmonic generation of the borate hydrated structure material KBOH has been accomplished by Kurtz–Perry technique, and third-order nonlinear optical parameters Nonlinear Refractive Index NLR, Nonlinear Absorption Coefficient and third order susceptibility ( χ (3) ) were found by Z -scan closed and open aperture approach to explore its suitability in the field of NLO applications.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-023-10872-2