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Updated: Jul 14, 2026

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments

Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments

Published on: May 11, 2017

High-Throughput Surface Modification of Ordered Mesoporous Alumina Enables Structural Stabilization and Selective

Sarah Bindon¹, Thomas W Colburn¹, Reinhold H Dauskardt¹

¹Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA.

Nanomaterials (Basel, Switzerland)

|February 26, 2026

Summary

This study introduces post-processing treatments to improve porous aluminum oxide films made by Porogen-integrated Rapid Oxidation (PiRO). Treatments remove carbon residue and enhance thermal stability for energy storage applications.

Keywords:

aluminum oxide manufacturing mesoporous thin films

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Published on: September 5, 2018

Area of Science:

Materials Science
Nanotechnology
Chemical Engineering

Background:

Porous ceramic oxides are crucial for energy storage but face limitations due to lengthy, high-temperature processing.
The novel Porogen-integrated Rapid Oxidation (PiRO) method offers faster, cost-effective manufacturing of porous aluminum oxide.
Challenges include residual carbon and poor thermal stability of PiRO-produced matrices.

Purpose of the Study:

To address carbon residue and thermal instability in PiRO-manufactured porous aluminum oxide.
To evaluate the effectiveness of post-processing treatments like UV/Ozone, nitrogen anneals, and oxygen plasma.
To optimize treatments for creating stable mesoporous oxide platforms for advanced applications.

Main Methods:

Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) for carbon removal analysis.
Ellipsometry to measure thickness changes and porosity alterations post-treatment.
Nanoindentation to assess the mechanical stiffness of treated porous matrices.

Main Results:

Characterization of carbon removal efficiency across different post-processing techniques.
Quantification of structural changes, including thickness collapse and porosity, after treatments.
Evaluation of the impact of treatments on the mechanical properties (stiffness) of the porous oxide.

Conclusions:

Post-processing treatments are effective in removing carbonaceous residues from PiRO-produced porous aluminum oxide.
Specific treatments significantly improve the thermal stability of the porous matrices, enabling higher-temperature applications.
Optimized post-processing provides a stable platform for developing advanced nanocomposite energy storage devices.