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S. KOTTESWARAN1, M. SENTHIL PANDIAN1, P. RAMASAMY1,*
- SSN Research Centre, SSN College of Engineering, Chennai-603 110, Tamilnadu, India
Single crystals of triphenylamine were grown by slow evaporation solution technique (SEST) at room temperature. The crystal structure was identified by single crystal X-ray diffraction (SXRD) analysis and the crystal was found to have monoclinic crystal system. Molecular structure of the grown crystal was investigated by 1H Nuclear Magnetic Resonance ( 1H NMR) and 13C Nuclear Magnetic Resonance (13C NMR). The various functional groups of the crystal were identified by Fourier transform infrared spectrum (FTIR) analysis. Thermal stability of the grown crystal was studied by thermogravimetric and differential thermal analysis (TG-DTA). The optical absorption of the grown crystal was ascertained by UV–Vis NIR absorption studies. Photoluminescence (PL) spectrum of the triphenylamine crystal shows the emission behavior of the crystal. Second harmonic generation (SHG) efficiency of the crystal was determined by Kurtz and Perry technique and the efficiency was found to be equal to that of standard KDP material. The Cyclic voltammogram of the triphenylamine crystal was analysed using electrochemical workstation. Oxidation and Reduction peaks of the crystal are analysed..
Crystal growth; X-ray diffraction; Optical absorbance; Photoluminescence; Thermal analysis, Cyclic voltammogram.
Submitted at: Nov. 15, 2016
Accepted at: Aug. 9, 2017
S. KOTTESWARAN, M. SENTHIL PANDIAN, P. RAMASAMY, Spectral, optical, thermal and electrochemical characterizations of organic nonlinear optical (NLO) triphenylamine single crystal, Journal of Optoelectronics and Advanced Materials Vol. 19, Iss. 7-8, pp. 543-549 (2017)
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