Jagannathan, K. and Kalainathan, S. and Bhagavannarayana, G. (2009) Growth and characterization of organic non-linear optical crystal 4-hydoroxy benzaldehyde-N-methyl 4-stilbazolium tosylate (HBST). Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 73 (1). pp. 79-83. ISSN 1386-1425

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The 4-hydroxy benzaldehyde-N-methyl 4-stilbazolium tosylate (HBST), a good non-linear optical (NLO) crystal has been synthesized and the single crystal has been grown by slow evaporation method. In this work we have used ethyl acetate mixed methanol (1:1 ratio) as solvent. The lattice parameters were calculated from the powder X-ray diffraction patterns and compared with previous reports. The crystalline perfection has been verified with multicrystal X-ray diffractometer. The functional groups were identified from FTIR and NMR spectral studies. In order to know the optical quality of the grown crystal, the UV–Vis–NIR absorption spectrum was recorded and optical transition energy levels were also calculated. The thermal properties were analyzed from TG/DTA data. The relative SHG efficiency was compared with urea by Kurtz powder method.

Item Type: Article
Additional Information: Copyright for this article belongs to M/s Elsevier B.V.
Uncontrolled Keywords: Organic crystals; NLO crystals; Crystal growth
Subjects: Spectroscopy
Depositing User: Ms Neetu Chandra
Date Deposited: 31 Aug 2012 09:13
Last Modified: 31 Aug 2012 09:13
URI: http://npl.csircentral.net/id/eprint/519

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