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Vol. 37 No. 3 (2025): Vol 37 Issue 3, 2025

Copyright (c) 2025 Ch. Srikanth, P. Sailaja Kumari, R.Venkatesh Nayak, G. Vijaya Charan

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Optimizing Structural, Optical, Photocatalytic Properties of Cadmium Substituted Al Nano Chromites Synthesized at Low Temperature

https://doi.org/10.14233/ajchem.2025.33195
Ch. Srikanth
Department of Chemistry, University College of Science, Osmania University, Hyderabad-500007, India
https://orcid.org/0009-0007-4109-5287
P. Sailaja Kumari
Department of Chemistry, University College of Science, Osmania University, Hyderabad-500007, India
https://orcid.org/0009-0003-9517-0829
R.Venkatesh Nayak
Department of Chemistry, University College of Science, Osmania University, Hyderabad-500007, India
https://orcid.org/0009-0004-2106-2515
G. Vijaya Charan
Department of Chemistry, University College of Science, Osmania University, Hyderabad-500007, India
https://orcid.org/0000-0002-8880-8893

Corresponding Author(s) : G. Vijaya Charan

drvijayacharan@gmail.com

Asian Journal of Chemistry, Vol. 37 No. 3 (2025): Vol 37 Issue 3, 2025

Abstract

In this work, the fabrication of cadmium doped Al nano chromites was performed by citrate gel auto combustion method to optimize its structural, morphological, optical and photocatalytic properties. The formed cadmium doped Al nanostructured chromites [Al1-xCdxCr2O4 where x = 0.00, 0.04 and 0.10] were characterized by X-ray diffraction, FESEM and FTIR techniques. The XRD confirms the single-phase cubic spinel structure of the Cd-Al nanochromites. The average crystalline size of the samples varies from 19 nm to 25 nm calculated by Debye-Scherrer’s equation from X-ray diffraction pattern. FTIR spectrum confirm the metal oxygen bonds around 400 to 600 cm–1 related to the spinel structure. The optical band gap energy ranges from 2.21 eV to 2.90 eV as calculated by Tauc plots. The photocatalytic degradation of methylene blue and acid red dyes under visible light irradiation were performed.

Keywords

Nano chromites Cadmium doping Optical properties Dye degradation
Srikanth, C., Kumari, P. S., Nayak, R., & Charan, G. V. (2025). Optimizing Structural, Optical, Photocatalytic Properties of Cadmium Substituted Al Nano Chromites Synthesized at Low Temperature. Asian Journal of Chemistry, 37(3), 729–736. https://doi.org/10.14233/ajchem.2025.33195
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