Elemental, FTIR and Optical analysis of compound crystal of nickel sulphate heptahydrate and potassium dihydrogen citrate

D.B. Mankad¹ , H.O. Jethva² , H. Bhuva³ , V.J. Pandya⁴

1. Department of Physics, Saurashtra University, Rajkot, Gujarat, India.
2. Department of Physics, Saurashtra University, Rajkot, Gujarat, India.
3. Department of Physics, Saurashtra University, Rajkot, Gujarat, India.
4. Department of Physics, Saurashtra University, Rajkot, Gujarat, India.

Section:Research Paper, Product Type: Journal-Paper
Vol.11 , Issue.3 , pp.6-12, Jun-2023

Online published on Jun 30, 2023

Copyright © D.B. Mankad, H.O. Jethva, H. Bhuva, V.J. Pandya . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
The current paper discusses a study which is related to the growth and several characterizations of pure compound crystals of nickel sulphate heptahydrate (NSH) and potassium dihydrogen citrate (KDC) is reported. The crystals under study were grown at room temperature by the technique of slow solvent evaporation. After the duration of 6 weeks, good quality, square and rod-shaped crystals were found to have grown. Characterization of crystals was carried out by doing elemental, FTIR and optical analysis. The changes in the characteristics of pure NSH crystal and pure KDC crystal were compared with the compound crystal and discussed accordingly. The elemental analysis confirmed the presence of respective atoms of pure NSH and pure KDC in the grown product crystal. The FTIR spectroscopic analysis indicated the presence of functional groups of sulphate of NSH and characteristic vibrations of dihydrogen citrate in the compound crystal. The SHG analysis showed that pure as well as compound crystals of NSH and KDC did not possess the NLO property. The energy band gaps of pure and compound crystals of NSH and KDC were evaluated by using the KM function. The result showed an elevation in the value of the energy band gap in the value of pure KDC as it formed the compound with NSH. All the results are discussed.

Key-Words / Index Term :
NSH, KDC, FTIR, elemental analysis, FTIR, SHG, energy band gap

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