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Growth and characterization of 2-amino-5-chlorobenzophenone (2A-5CB) single crystals |
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| Authors: | M Gulam Mohamed K Rajarajan G Mani M Vimalan K Prabha J Madhavan P Sagayaraj |
| Institution: | aDepartment of Physics, The New College, Chennai 600 014, India bDepartment of Physics, R.V. Govt. Arts College, Chengalpattu 603 001, India cDepartment of Physics, Presidency College, Chennai 600 005, India dDepartment of Physics, Loyola College, Chennai 600 034, India |
| Abstract: | Organic nonlinear optical single crystals of 2-amino-5-chlorobenzophenone (2A-5CB) were grown in ethanol by slow solvent evaporation technique. The grown crystals were characterized by single-crystal XRD, FTIR, FT-Raman and UV–vis–NIR techniques. The UV–vis–NIR spectrum ascertains the cut-off wavelength of the sample as 390 nm. The powder second harmonic generation (SHG) technique reveals that 2A-5CB crystal has its SHG efficiency nearly three times that of KDP. The dielectric response of the sample was studied in the frequency region of 50 Hz–1 MHz at varying temperatures. The photoconductivity studies indicate that the 2A-5CB crystal exhibits negative photoconductivity. TGA–DTA studies confirm the melting point of the sample as 101.5 °C. |
| Keywords: | A1 Dielectric response A1 Optical transmission B1 Organic compound B2 Nonlinear optical material |
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