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Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

Published on: November 15, 2016

Phosphorylated silica nanotubes: preparation and characterization.

Yuqing Zhang¹, Yan Xu¹, Yiren Lu²

¹School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People's Republic of China.

|July 16, 2013

Summary

Phosphorylated silica nanotubes (PSNTs) improve polymer membrane compatibility. These modified nanotubes offer enhanced filler properties for advanced membrane applications.

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Last Updated: May 9, 2026

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

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Published on: November 15, 2016

Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis

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Area of Science:

Materials Science
Nanotechnology
Polymer Chemistry

Background:

Doping inorganic particles into polymer membranes is a common modification strategy.
Poor compatibility between inorganic particles and polymers limits membrane performance.

Purpose of the Study:

To enhance the compatibility between inorganic particles and polymers.
To prepare phosphorylated silica nanotubes (PSNTs) for use as polymer membrane fillers.

Main Methods:

Silica nanotubes (SNTs) synthesized via hydrolysis of tetraethyl orthosilicate.
PSNTs prepared through silylation and phosphorylation modifications.
Characterization using FTIR, TEM, BET, XPS, and TGA.

Main Results:

PSNTs exhibit a high length-to-diameter ratio (~20) and a tube wall thickness of 20 nm.
Specific surface area of 460.2 m²/g, inner diameter of 76 nm, and distributed mesopores.
Numerous hydroxyl active sites along the PSNTs' length.

Conclusions:

PSNTs demonstrate excellent compatibility with polymers.
PSNTs are suitable and desirable fillers for polymer membranes.
The developed PSNTs offer improved properties for membrane applications.