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Published on: August 30, 2018
Growth and characterization of Cadmium Thiosemicarbazide Bromide crystals for antibacterial and nonlinear optical
J Thomas Joseph Prakash1, J Martin Sam Gnanaraj1
1PG and Research Department of Physics, H.H. The Rajah's College (Affiliated to Bharathidasan University), Pudukkottai 1, Tamil Nadu, India.
Abstract:
Semiorganic nonlinear optical crystals of Cadmium Thiosemicarbazide Bromide was grown by slow evaporation solution growth technique. The unit cell parameters were estimated by subjecting the crystals to single crystal X-ray diffraction. The grown crystals were subjected to Powder X-ray diffraction for analyzing the crystalline nature of the sample. FTIR studies reveal the functional groups and the optical characters were analyzed by UV-Vis spectral studies. Mechanical stability of the sample was assessed by Vicker's micro hardness test. The presence of surface dislocations was identified by chemical etching technique. Antibacterial study was carried out against ACDP declared harmful pathogens. SHG efficiency of CTSB crystal was tested using Nd: YAG laser and it was found to be ∼1.8 times that of potassium dihydrogen phosphate.
