期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 10, 期 -, 页码 S3974-S3981出版社
ELSEVIER
DOI: 10.1016/j.arabjc.2014.06.008
关键词
Organic compounds; Crystal growth; Two photon absorption; Dielectric studies
资金
- University Grant Commission, Government of India [32-37/2007 (SR)]
Nonlinear optical material, 4-chloro-4'methoxy benzylideneaniline (CMOBA) was synthesized and single crystal of CMOBA was grown by slow evaporation method. Functional groups of CMOBA were identified using the Fourier transform infrared spectral analysis and the molecular structure was confirmed by H-1 and C-13 NMR spectral analyses. Grown crystal was subjected to single crystal X-ray diffraction analysis to obtain unit cell parameters. UV-Vis-NIR optical study revealed that the UV cut off occurs at the wavelength of about 390 nm and the crystal is transparent in the wavelength range of 400-1100 nm. Second harmonic generation efficiency of the powdered CMOBA is about 3.7 times that of potassium dihydrogen orthophosphate. By using open aperture Z-scan (Nd:YAG, 532 nm, 5 ns) the measured effective two-photon absorption coefficient beta was 3 x 10(-12) m/W. The melting point of the material is similar to 125 degrees C. The dielectric constant and dielectric loss were estimated for various frequencies at different temperatures. (C) 2014 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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