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In this study, Eu3+ doped calcium magnesium silicate (CMS: Eu3+) phosphors were synthesized with and without H3BO3 to investigate the role of the flux in altering their structural, morphological and optical properties. The incorporation of H3BO3 as a flux facilitated a phase transformation from a combination of phases to a single phase merwinite (Ca3MgSi2O8) with monoclinic crystal structure and improved particle formation. Enhanced excitation and emission intensities were observed with flux addition, along with an increase in color purity in the red spectral region, from 85.53% to 92.46%. These modifications reflect improved luminescent behavior and enable fine color tunability. Such tunability in photoluminescence (PL) properties underscores the potential of flux assisted CMS: Eu3+ phosphors for biomedical applications.

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Role of H3BO3 as Flux on Enhancing the Luminescence of CMS: Eu3+ Phosphor

  • 会议论文

  • 发表日期：

    2025年

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  • Navya Sara Kuriyan,
  • R. S. Nikhil Raj,
  • M. Sabeena

摘要

In this study, Eu3+ doped calcium magnesium silicate (CMS: Eu3+) phosphors were synthesized with and without H3BO3 to investigate the role of the flux in altering their structural, morphological and optical properties. The incorporation of H3BO3 as a flux facilitated a phase transformation from a combination of phases to a single phase merwinite (Ca3MgSi2O8) with monoclinic crystal structure and improved particle formation. Enhanced excitation and emission intensities were observed with flux addition, along with an increase in color purity in the red spectral region, from 85.53% to 92.46%. These modifications reflect improved luminescent behavior and enable fine color tunability. Such tunability in photoluminescence (PL) properties underscores the potential of flux assisted CMS: Eu3+ phosphors for biomedical applications.