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Updated: May 10, 2026

Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis

Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis

Published on: December 16, 2013

Silica-sepiolite nanoarchitectures.

Almudena Gómez-Avilés¹, Pilar Aranda, Francisco M Fernandes

¹Instituto de Ciencia de Materiales de Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain.

Journal of Nanoscience and Nanotechnology

|June 15, 2013

Summary

Novel silica-sepiolite nanoarchitectures were synthesized by forming silica nanoparticles on sepiolite fibers. These materials show potential as nanofillers in polymer nanocomposites, enhancing mechanical properties.

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Area of Science:

Materials Science
Nanotechnology
Composite Materials

Background:

Sepiolite is a fibrous clay mineral with unique properties.
Developing novel nanoarchitectures is crucial for advanced material applications.
Silica-sepiolite heterostructures offer potential for enhanced material performance.

Purpose of the Study:

To synthesize novel silica-sepiolite heterostructured materials.
To investigate the influence of experimental variables on material characteristics.
To explore the application of these nanoarchitectures as nanofillers in polymer nanocomposites.

Main Methods:

Sol-gel synthesis involving organo-sepiolites and silicon alkoxysilanes (e.g., TMOS).
Ultrasound irradiation and thermal treatment for gel formation and organic matter removal.

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Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

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Last Updated: May 10, 2026

Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis

Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis

Published on: December 16, 2013

Epitaxial Nanostructured α-Quartz Films on Silicon: From the Material to New Devices

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Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

Characterization using techniques like FE-SEM, TEM, XRD, FTIR, and NMR.

Main Results:

Successful preparation of silica-sepiolite nanoarchitectures with sepiolite microfibers covalently linked to silica nanoparticles.
Achieved specific surface areas of approximately 350 m²/g with minimal microporous contribution.
Demonstrated potential as nanofillers in epoxy resin nanocomposites, with mechanical properties influenced by surface characteristics.

Conclusions:

The study successfully developed silica-sepiolite nanoarchitectures with tunable properties.
These materials exhibit promising characteristics for application as nanofillers in polymer composites.
Further research can explore optimization for specific composite applications.