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  1. Home
  3. The Influence Of Interphases On The Macro-characteristics Of Luminescent Oxide Glass-ceramics: Experimental And Computational Studies.
  1. Home
  3. The Influence Of Interphases On The Macro-characteristics Of Luminescent Oxide Glass-ceramics: Experimental And Computational Studies.

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The Influence of Interphases on the Macro-Characteristics of Luminescent Oxide Glass-Ceramics: Experimental and

Viktor Borysiuk1, Vitalii Chornii1,2, Yuriy Hizhnyi1,3

  • 1Taras Shevchenko National University of Kyiv, Kyiv 01601, Ukraine.

ACS Applied Materials & Interfaces
|July 28, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

This study investigates interphases in oxide glass-ceramics using experimental and computational methods. Findings reveal how these interphases influence material properties, showing potential for luminescent converters in white light-emitting diodes.

Keywords:
DFTRE ionsinterphaseluminescencemolecular dynamicsoxide glass-ceramics

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Area of Science:

  • Materials Science
  • Solid State Chemistry
  • Nanotechnology

Background:

  • Oxide glass-ceramics are advanced materials with tunable properties.
  • Understanding interphase formation and its impact is crucial for material design.
  • Luminescent properties of rare-earth ions, like Europium (Eu3+), are sensitive to their local environment.

Purpose of the Study:

  • To comprehensively study interphases in oxide glass-ceramics.
  • To elucidate interphase formation mechanisms, composition, and structure.
  • To reveal the influence of interphases on the macro-characteristics and luminescence of glass-ceramics.

Main Methods:

  • Experimental techniques: Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), optical diffuse reflection, and photoluminescence spectroscopy.
  • Computational methods: Molecular Dynamics (MD) and Density Functional Theory (DFT) for electronic structure and interphase analysis.
  • Synthesis of boron oxide-based glasses doped with Europium (Eu3+) and various luminescent micro/nanoparticles.

    • Main Results:

    • Formation of approximately 3 nm thick interphase layers was computationally predicted and experimentally confirmed.
    • Interphases significantly influence optical absorption spectra and the band gap of glass-ceramics.
    • Luminescence of Eu3+ ions and chromaticity characteristics are modulated by interphase composition and structure.

    Conclusions:

    • Eu3+ ions serve as effective luminescent probes for studying interphase layers in oxide glass-ceramics.
    • The studied glass-ceramics show promise as luminescent converters for white light-emitting diodes (LEDs).
    • Tailoring glass composition and filler particles allows control over interphase properties and optical output.