24Jul 2017

INVESTIGATIONS ON THE EFFECT OF AMINO ACID DOPING ON THE GROWTH AND CHARACTERIZATION OF ALKALI METAL ACID PHTHALATE SINGLE CRYSTALS.

  • PG and Research Department of Physics, Jamal Mohamed College (Autonomous), Affiliated to Bharathidasan University, Trichy-20, Tamilnadu, India.
  • PG and Research Department of Physics, Government Arts College, Affiliated to Bharathidasan University, Trichy-22, Tamilnadu, India.
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Undoped and 0.5 mol% of L-aspartic acid (LA-C4H7NO4) and L-threonine (LT-C4H9NO3) doped sodium acid phthalate (NaAP) single crystals were successfully grown from aqueous solution by slow evaporation solution growth technique. Single X-ray diffraction revealed that the grown crystals possess orthorhombic crystal structure and revealed lattice distortion due to impurities. The crystallinity nature of the grown crystals was analyzed by powder X-ray diffraction analysis. Functional groups and the modes of vibrations were identified by FT-IR spectral analysis. Optical transmittance shows that L-threonine doped NaAP crystal possesses higher transparency compared to undoped NaAP and L- aspartic acid doped NaAP and the band gap energy values of the grown crystals were calculated. The photoluminescence properties of the grown crystals were investigated. The mechanical strength of the grown crystals was estimated by microhardness studies. The second harmonic generation of the grown crystals was confirmed by the Kurtz and Perry technique. Antibacterial activity of the title compounds against Streptococcus pneumoniae, Escherichia coli, and Klebsiella pneumonia strains was studied.

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[S. Shek Dhavud and J. Thomas Joseph Prakash. (2017); INVESTIGATIONS ON THE EFFECT OF AMINO ACID DOPING ON THE GROWTH AND CHARACTERIZATION OF ALKALI METAL ACID PHTHALATE SINGLE CRYSTALS. Int. J. of Adv. Res. 5 (Jul). 1542-1553] (ISSN 2320-5407). www.journalijar.com

S Shek Dhavud
Bharathidasan University, Trichy, Tamilnadu, India.

DOI:

Article DOI: 10.21474/IJAR01/4868      
DOI URL: http://dx.doi.org/10.21474/IJAR01/4868

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