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Effect of temperature on structural, morphological, and optical properties of Mn-doped ZnTe nanoparticles

KAPIL1, PUJARANI PARIDA1, JAYASHREE PATRA1, VIRENDRA KUMAR VERMA1,*

Affiliation

  1. Department of Physics, School of Advanced Sciences, VIT-AP University, Amaravati, Andhra Pradesh-522241, India

Abstract

The Mn-doped ZnTe nanoparticles were synthesized by solid-state reaction, and the effects of Mn-doping on their physical properties were studied. Fourier-transform infrared spectroscopy spectra reveal a slight band shift from Zn-Te-Mn stretching. UV-Visible studies reveal that the band gap of ZnTe (2.11 eV) narrows to 2.06 eV with Mn doping, while higher calcination temperatures increase the band gap again. The band gap of ZnTe can be tuned through Mn doping and calcination temperature, enabling application-specific optimization. These results emphasize the role of Mn doping in tailoring the properties of ZnTe and enhancing its potential for visible-light photocatalysis and optoelectronic devices..

Keywords

Diluted magnetic semiconductor, Zinc telluride, Manganese doping, Optical study.

Submitted at: Sept. 16, 2025
Accepted at: Aug. 4, 2026

Citation

KAPIL, PUJARANI PARIDA, JAYASHREE PATRA, VIRENDRA KUMAR VERMA, Effect of temperature on structural, morphological, and optical properties of Mn-doped ZnTe nanoparticles, Journal of Optoelectronics and Advanced Materials Vol. 28, Iss. 7-8, pp. 338-349 (2026)