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Vol. 37 No. 12 (2025): Vol 37 Issue 12, 2025

Copyright (c) 2025 Vijay Kumar R, Dr. Amith Yadav H.J. Yadav, Prof. B. Eraiah, Dr. Rajendra Prasad S, Sushma Katti, V.S. Veena, Dr. Yashwanth Venkatraman Naik

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Synthesis of (0.5-9 mol%) Pr3+ doped MgO Nanoparticle for Display and Latent Fingerprints Application

https://doi.org/10.14233/ajchem.2025.34754
R. Vijay Kumar
Department of Studies in Physics, Davangere University, Davangere-577007, India
https://orcid.org/0009-0004-0372-8547
H.J. Amith Yadav
Department of Studies in Physics, Davangere University, Davangere-577007, India
https://orcid.org/0000-0002-4989-9980
B. Eraiah
Department of Physics, Bangalore University, Bangalore-560056, India
https://orcid.org/0000-0001-7271-6591
S. Rajendra Prasad
Department of Chemistry, Davangere University, Davangere-577007, India
https://orcid.org/0000-0002-4318-3615
Sushma Katti
Department of Studies in Physics, Davangere University, Davangere-577007, India
https://orcid.org/0000-0003-4431-5816
V.S. Veena
Department of Studies in Physics, Davangere University, Davangere-577007, India; Department of Physics, Government First Grade College, Koratagere-572129, India
https://orcid.org/0009-0003-1335-9581
Yashwanth Venkatraman Naik
Department of Physics, RV Institute of Technology and Management, Bangalore-560076, India
https://orcid.org/0000-0001-7873-7836

Corresponding Author(s) : H.J. Amith Yadav

amithyadavhj@gmail.com

Asian Journal of Chemistry, Vol. 37 No. 12 (2025): Vol 37 Issue 12, 2025

Abstract

Pr3+ (0.5-9 mol%) doped MgO nanoparticles were successfully synthesized via a solution combustion method using aloe vera gel as a green fuel. The powder X-ray diffraction (PXRD) patterns confirmed the formation of a single-phase cubic structure for all compositions. The morphological characteristics of the synthesized nanoparticles were investigated using microscopic techniques. The optical energy band gap (Eg), estimated from UV–visible absorption spectra, was found to vary from 5.06 to 5.59 eV with increasing Pr3+ concentration. Photoluminescence (PL) excitation spectra recorded in the 350–800 nm range revealed characteristic emissions and the corresponding CIE chromaticity coordinates were located in the blue-green region. These results suggest that the developed phosphor materials are promising candidates for use as blue-green components in white light-emitting devices. Furthermore, Pr3+ (1 mol%) doped MgO nanoparticles demonstrated excellent performance in visualizing latent fingerprints (LFPs) on glass surfaces, indicating their potential application in forensic science.

Keywords

Combustion method Display application Latent fingerprint application
(1)
Kumar, R. V.; Yadav, H. A.; Eraiah, B.; Prasad, S. R.; Katti, S.; Veena, V.; Naik, Y. V. Synthesis of (0.5-9 mol%) Pr3+ Doped MgO Nanoparticle for Display and Latent Fingerprints Application. ajc 2025, 37, 3111-3115.
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