Analysis of the Effect of ZnO, FeO, MnO, and MgO Dopants on the Optical Properties of P2O5-CaO Glass System and Comparison With P2O5-Eggshell Glass System

Authors

  • Haifany Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Eka Laela Nun Karina Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Selsa Sururiyah Sya’baniah Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Zahra Sajidah Hariyawan Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Haryanto Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Agus Setyo Budi Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Anggara Budi Susila Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia
  • Hadi Nasbey Department of Physics, FMIPA, Universitas Negeri Jakarta, DKI Jakarta, Indonesia

DOI:

https://doi.org/10.21009/SPEKTRA.102.06

Keywords:

phosphate glass, metal oxide, ZnO, MgO, MnO, FeO, calcium oxide, eggshell, optical properties

Abstract

This study investigates the effect of ZnO, FeO, MnO, and MgO dopants on the optical properties of phosphate-based glass within the P₂O₅–CaO system and compares the results with glasses using eggshell-derived CaO as an alternative calcium source. The glass samples were synthesized using the melt quenching method, followed by characterization using Energy Dispersive X-ray (EDX) and UV-Visible spectroscopy. EDX analysis confirmed that phosphorus and oxygen were the dominant elements in all samples, with successful incorporation of each dopant as a network modifier. UV-Vis analysis revealed that the optical properties of the glass were significantly affected by both dopant type and concentration. The addition of ZnO decreases absorbance and widens the band gap up to 10 mol%, indicating improved structural regularity of the glass network. MnO exhibits a non-linear trend, with the highest absorbance observed at 5 mol% and decreasing at higher concentrations. The band gap varies from 3.37 eV to 3.59 eV, suggesting a transition from a disordered to a more stable and compact glass structure. In contrast, FeO and MgO doping reduced the band gap energy due to increased formation of non-bridging oxygen and network disruption. Additionally, comparison with eggshell-derived CaO showed higher UV absorbance compared to glass made with pure CaO, especially in the wavelength range below 400 nm, indicating that the raw material source influences the optical performance of the glass. Overall, this research highlights the potential of tuning dopant concentration and utilizing sustainable raw materials to enhance the optical characteristics of phosphate glass for use in UV-blocking, optoelectronic, and sensor applications.

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Published

2025-08-31

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Haifany, Eka Laela Nun Karina, Selsa Sururiyah Sya’baniah, Zahra Sajidah Hariyawan, Haryanto, Agus Setyo Budi, … Hadi Nasbey. (2025). Analysis of the Effect of ZnO, FeO, MnO, and MgO Dopants on the Optical Properties of P2O5-CaO Glass System and Comparison With P2O5-Eggshell Glass System. Spektra: Jurnal Fisika Dan Aplikasinya, 10(2), 141–152. https://doi.org/10.21009/SPEKTRA.102.06

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Vol. 10 No. 2 (2025): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 10 Issue 2, August 2025

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Copyright (c) 2025 Haifany, Eka Laela Nun Karina, Selsa Sururiyah Sya’baniah, Zahra Sajidah Hariyawan, Haryanto, Agus Setyo Budi, Anggara Budi Susila, Hadi Nasbey

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