Related Experiment Video
Updated: Jun 1, 2026
11:09
Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness
Published on: April 1, 2018
Electrostatic Assembly of Poly(ethylene glycol) Nanotubes
Woo-Sik Jang1, Tomonori Saito, Michael A Hickner
1Chemical Engineering, Yale University, P.O. Box 208286, New Haven, Connecticut 06520, USA.
Macromolecular Rapid Communications
|May 19, 2011
Summary
Researchers developed stable Poly(ethylene glycol) (PEG) nanotubes using layer-by-layer assembly. These novel PEG structures demonstrate excellent durability in various solutions, overcoming previous fabrication challenges.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Poly(ethylene glycol) (PEG) is a versatile polymer with applications in various fields.
- Fabricating PEG-based nanostructures like nanotubes is difficult due to PEG's solubility.
- Existing methods often struggle with maintaining structural integrity during processing.
Purpose of the Study:
- To develop a reliable method for creating Poly(ethylene glycol) (PEG)-based nanotubes and other nanostructures.
- To overcome the solubility challenges associated with PEG during nanotube fabrication.
- To characterize the dimensions and stability of the synthesized PEG nanostructures.
Main Methods:
- Utilized layer-by-layer (LbL) assembly technique.
- Employed ion-containing PEO derivatives on porous templates and planar substrates.
- Verified nanotube dimensions using microscopy (average diameter 155 nm).
Main Results:
- Successfully fabricated PEG-based films, nanotubes, and nanotube arrays.
- Developed techniques to circumvent PEG's solubility issues during processing.
- Demonstrated remarkable stability of PEG structures in water, saltwater, and sodium hydroxide solutions.
Conclusions:
- The LbL assembly method provides a viable route for producing stable PEG nanotubes.
- The developed PEG nanostructures exhibit high stability, broadening their potential applications.
- This work overcomes a significant hurdle in the fabrication of PEG-based nanomaterials.
