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April 21, 2026Scientific ReportsOpen Access

The effect of Ti, W, Ag and TiO2 particles on the structural and optical properties of porous silicon obtained in various electrolytes

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Authors

YSYerulan SagidoldaKTKamale TuokedaerhanRARaikhan Azamat

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Overview

Exploration of nanoparticle modification effects on porous silicon properties, indicating potential applications in photonics.

Key Points

  • This research investigates how modifying porous silicon with different nanoparticles affects its structural and optical properties.
  • Porous silicon samples were created via electrochemical etching using hydrofluoric and hexafluorosilicic acids.
  • Surface modification was done using magnetron sputtering to apply titanium dioxide, silver, titanium, and tungsten nanoparticles.
  • Structural properties were analyzed using Raman spectroscopy, reflectance spectroscopy, and scanning electron microscopy.
  • Raman spectra showed shifts towards higher frequencies, indicating changes in local crystalline structure.
  • Photoluminescence measurements revealed intensity changes and peak shifts, suggesting altered energy levels in porous silicon.
  • Reflectance spectra differed based on nanoparticle type and electrolyte, impacting material transparency.

Cite This Study

Sagidolda et al. (2026) studied this question.

synapsesocial.com/papers/69e7138bcb99343efc98d03fhttps://doi.org/10.1038/s41598-026-48215-w
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