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05:45
Assessing Disaster Resilience of Concrete with Titanium Dioxide Nanoparticles
Published on: November 14, 2025
250
Nanocomposite Metamaterials Based on Self-assembled Titanium Dioxide Rolls with Embedded Gold Nanoparticles
Stella Kutrovskaya1,2,3, Alexey Kucherik4, Anton Osipov4
1School of Science, Westlake University, 18 Shilongshan Road, Hangzhou, 310024, Zhejiang Province, China. stella.kutrovskaya@westlake.edu.cn.
Scientific Reports
|May 9, 2019
Summary
Researchers developed a novel nanocomposite metamaterial using self-assembled titanium dioxide microtubes and gold nanoparticles. Varying nanoparticle concentration enhanced optical absorption, showing potential for solar cell applications.
Area of Science:
- Materials Science
- Nanotechnology
- Optics
Background:
- Metamaterials offer unique optical properties.
- Nanocomposites combine material advantages.
- Titanium dioxide and gold nanoparticles are key components.
Purpose of the Study:
- To propose an experimental method for fabricating a titanium dioxide-gold nanoparticle nanocomposite metamaterial.
- To investigate the effect of gold nanoparticle concentration on optical absorption.
- To demonstrate the potential application in solar cells.
Main Methods:
- Self-assembly of titanium dioxide microtubes.
- Encapsulation of gold nanoparticles within microtubes.
- Laser irradiation and external magnetic field for fabrication.
- Optical absorption measurements.
Main Results:
- Successful fabrication of titanium dioxide microtubes with encapsulated gold nanoparticles.
- Increased optical absorption with higher gold nanoparticle concentration.
- Demonstrated potential for oriented microtubes as n-doped layers in solar cells.
Conclusions:
- A novel method for creating nanocomposite metamaterials is established.
- Gold nanoparticle concentration is a critical factor for optical absorption.
- The developed metamaterial shows promise for enhancing solar cell efficiency.
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