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Vol. 35 No. 9 (2023): Vol 35 Issue 9, 2023

Copyright (c) 2023 Nagaveni V. B. , Dr. ARUNA G.L., Dr. Mahadevan K.M.

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Synthesis, Characterization, Photoluminescence Emission and Antibacterial Properties of Some Schiff Base Derivatives of Substituted Salicylaldehyde

https://doi.org/10.14233/ajchem.2023.28092
Nagaveni V. B.
Department of Chemistry, Government Science College, Chitradurga-577501, India
https://orcid.org/0009-0002-8593-1885
Dr. ARUNA G.L.
Post-Graduate Department of Microbiology, Maharani’s Science College for Women, Mysore-570005, India
https://orcid.org/0000-0002-0335-5320
Dr. Mahadevan K.M.
Department of Chemistry, Kuvempu University, P.G. Centre, Kadur-577548, India
https://orcid.org/0009-0002-3666-7539

Corresponding Author(s) : Dr. ARUNA G.L.

microarunagl@gmail.com

Asian Journal of Chemistry, Vol. 35 No. 9 (2023): Vol 35 Issue 9, 2023

Abstract

Schiff bases such as 4-{[(2-hydroxyphenyl) methylidene]amino} benzoic acid analogues (SB1-SB3) have been produced by the condensation of mole equivalent of 4-amino benzoic acid and various substituted salicylaldehyde. It has given good yield. The synthesized compounds (SB1-SB3) were analyzed by FT-IR, 1H-NMR and Mass spectroscopy techniques. Light emitting properties of the compounds have been studied by photoluminescence (PL) and diffuse reflectance (DR) spectra. Photoluminescence spectra of the compounds SB1-SB3 revealed that these molecules emit light from bright yellow to orange red color following exposure to UV light. From diffuse reflectance spectra, the measured optical band energy for SB1-SB3 was found to be 2.14eV, 2.06eV and 2.26eV respectively. The 3D surface view of scanning electron microscope (SEM) of SB1-SB3 have also been studied. This study revealed that Schiff base derivatives of 4-amino benzoic acid analogue molecules become promising material for light emitting devices. Antibacterial study of these compounds by Kirby-Bauer diffusion method revealed the antibacterial activity . This showed these compounds can be used as antibacterial compounds.

Keywords

4-Aminobenzoic acid Schiff base Photoluminescence Light emission Kirby-Bauer diffusion method
V. B. , N., G.L., D. . A., & K.M., D. M. (2023). Synthesis, Characterization, Photoluminescence Emission and Antibacterial Properties of Some Schiff Base Derivatives of Substituted Salicylaldehyde. Asian Journal of Chemistry, 35(9), 2143–2147. https://doi.org/10.14233/ajchem.2023.28092
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