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Related Experiment Video

Updated: Jun 14, 2026

Writing and Low-Temperature Characterization of Oxide Nanostructures
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Writing and Low-Temperature Characterization of Oxide Nanostructures

Published on: July 18, 2014

Light emission from nanoscale Si/Si oxide materials.

G G Qin1, G Z Ran, K Sun

  • 1Institute of Optoelectronic Materials and Technology, School for Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631, China.

Journal of Nanoscience and Nanotechnology
|April 2, 2010
PubMed
Summary

Oxidized porous silicon materials, including nanoscale silicon/silicon oxide composites, exhibit promising light-emitting properties. Their photoluminescence and electroluminescence mechanisms are driven by nanoscale silicon particles and silicon oxide luminescence centers.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • Porous silicon (Si) materials are often oxidized, forming nanoscale silicon particles (NSPs) coated with a Si oxide layer.
  • These oxidized structures, along with NSPs embedded in Si oxide and nanoscale Si/nanoscale SiO2 multilayers, share similar properties.

Purpose of the Study:

  • To review the photoluminescence and electroluminescence properties of nanoscale Si/Si oxide materials.
  • To elucidate the light emission mechanisms in these materials.

Main Methods:

  • Review of existing literature on nanoscale Si/Si oxide materials.
  • Analysis of structural and luminescence properties.

Main Results:

  • Nanoscale Si/Si oxide materials demonstrate significant photoluminescence and electroluminescence.

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Last Updated: Jun 14, 2026

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  • Distinct roles of NSPs and Si oxide luminescence centers in light emission were identified.

    • Conclusions:

    • Nanoscale Si/Si oxide materials are highly promising for silicon-based light-emitting applications.
    • Understanding the interplay between NSPs and oxide luminescence centers is key to optimizing light emission.