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Updated: Jun 15, 2026

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices

Published on: March 27, 2019

Transformable periodic mesoporous organosilica materials.

Steven E Dickson¹, Cathleen M Crudden

¹Department of Chemistry, Queen's University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6.

Chemical Communications (Cambridge, England)

|March 12, 2010

Summary

Researchers synthesized novel periodic mesoporous organosilica (PMO) materials using functional and structural monomers. The study confirmed a uniform distribution of trans-olefin within the aromatic organosilica matrix, highlighting potential for further material modification.

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Area of Science:

Materials Science
Organic Chemistry
Nanotechnology

Background:

Periodic mesoporous organosilica (PMO) materials offer tunable properties for various applications.
Incorporating functional monomers into the silica framework allows for tailored material characteristics.

Purpose of the Study:

To synthesize novel PMO materials with a defined incorporation of functional monomers.
To investigate the distribution and potential for modification of these functional groups within the PMO matrix.

Main Methods:

Co-condensation of cis- and trans-stilbene-based functional monomers with structural monomers.
Energy-dispersive X-ray (EDX) analysis to determine elemental composition.
High-angle annular dark-field (HAADF) imaging after osmium tetroxide (OsO4) staining to visualize the distribution of olefinic components.

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Main Results:

Successful synthesis of novel PMO materials containing both functional and structural monomers.
EDX and HAADF imaging confirmed a homogeneous distribution of the trans-olefin component within the aromatic organosilica framework.
Ozonolysis of the incorporated functional groups demonstrated their accessibility and potential for subsequent chemical modifications.

Conclusions:

The developed method enables the creation of well-defined PMO materials with uniformly distributed functional groups.
These functionalized PMO materials exhibit significant potential for post-synthesis modification, opening avenues for advanced applications.