Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Carbon dots from Manila tamarind for heavy metal ion removal and sensing through automatic classification.

iScience·2026

Same author

Critical role of EEG signals in assessment of sex-specific insights in neurological diagnostics via machine learning approach.

Scientific reports·2025

Same author

Effect of Dry Oxidation on the Optical Response and Morphology of Mesoporous Hybrid Structures.

ACS omega·2025

Same author

<i>In situ</i> fabrication of ZIF-8 decorated tezontle for enzyme immobilization towards biodiesel production.

RSC advances·2025

Same author

Experimental and theoretical approaches to unveil the interaction mechanisms of carbon dots with 4-nitrophenol.

Journal of hazardous materials·2024

Same author

Ultralow-Concentration Pt-Decorated Carbon Sphere Catalyst for Enhanced Hydrogen Evolution Reaction.

ACS omega·2024

Same journal

Therapeutic potential of crude protein extracts from two Egyptian freshwater snails Lanistes carinatus and Bellamya unicolor.

Scientific reports·2026

Same journal

Microbial contamination of donor corneas and post-keratoplasty endophthalmitis: a comparison between Japanese and U.S. eye banks using cold storage.

Scientific reports·2026

Same journal

Prevalence and contributing factors of virological non-suppression among adult patients on first-line antiretroviral therapy in tertiary hospitals in Ethiopia.

Scientific reports·2026

Same journal

An in vitro comparison of color stability between alkasite and different restorative materials in various staining solutions.

Scientific reports·2026

Same journal

Toward accessible mRNA LNP formulation: systematic evaluation of mixing strategies and key parameters.

Scientific reports·2026

Same journal

A network analysis of personality traits, mentalizing, and psychological health in Chinese college students.

Scientific reports·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Dec 28, 2025

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars

Published on: February 11, 2020

Porous Si-SiO₂ based UV Microcavities.

María R Jimenéz-Vivanco¹, Godofredo García¹, Jesús Carrillo¹

¹Centro de Investigación en Dispositivos Semiconductores, ICUAP, BUAP, Ciudad Universitaria., Puebla, Puebla, 72570, México.

Scientific Reports

|February 12, 2020

Summary

This summary is machine-generated.

Researchers developed oxidized porous silicon microcavities for ultraviolet light applications. This breakthrough enables silicon photonics in a previously inaccessible spectral range, expanding its technological capabilities.

More Related Videos

A Microfluidic Platform to Study Bioclogging in Porous Media

A Microfluidic Platform to Study Bioclogging in Porous Media

Published on: October 13, 2022

Microbubble Fabrication of Concave-porosity PDMS Beads

Microbubble Fabrication of Concave-porosity PDMS Beads

Published on: December 15, 2015

Related Experiment Videos

Last Updated: Dec 28, 2025

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars

Rendering SiO2/Si Surfaces Omniphobic by Carving Gas-Entrapping Microtextures Comprising Reentrant and Doubly Reentrant Cavities or Pillars

Published on: February 11, 2020

A Microfluidic Platform to Study Bioclogging in Porous Media

A Microfluidic Platform to Study Bioclogging in Porous Media

Published on: October 13, 2022

Microbubble Fabrication of Concave-porosity PDMS Beads

Microbubble Fabrication of Concave-porosity PDMS Beads

Published on: December 15, 2015

Area of Science:

Materials Science
Optoelectronics
Nanotechnology

Background:

Silicon photonics is typically limited to infrared wavelengths.
Expanding silicon technology into the ultraviolet (UV) range offers new application possibilities.
Porous silicon microcavities are a promising platform for photonic devices.

Purpose of the Study:

To fabricate and characterize oxidized porous silicon microcavities for UV applications.
To demonstrate the feasibility of achieving photonic structures in the UV range using silicon.
To investigate the optical properties and mechanical stability of the fabricated structures.

Main Methods:

Fabrication of porous silicon microcavities via electrochemical etching.
Two-stage dry oxidation process at 350°C and 900°C.
Characterization using Fourier-transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM).
Analysis using an effective medium model for optical properties.

Main Results:

Successfully obtained oxidized porous silicon microcavities.
Observed a shift of localized modes into the UV region.
Confirmed the presence of Si-O-Si bonds via FTIR.
SEM images showed high-quality, mechanically stable microcavities.
Effective medium modeling predicted low photon losses due to high SiO2 content.

Conclusions:

The developed oxidation process is effective for creating complex photonic structures in the UV range.
Oxidized porous silicon microcavities show potential for UV photonic applications.
This method expands the operational bandwidth of silicon-based photonic devices.