Abstract
The supramolecular assembly of PS-b-P4VP copolymer micelles induced by selective solvent mixtures was used to manufacture isoporous membranes. Micelle order in solution was confirmed by cryo-scanning electron microscopy in casting solutions, leading to ordered pore morphology. When dioxane, a solvent that interacts poorly with the micelle corona, was added to the solution, polymer-polymer segment contact was preferential, increasing the intermicelle contact. Immersion in water gave rise to asymmetric porous membranes with exceptional pore uniformity and high porosity. The introduction of a small number of carbon nanotubes to the casting solution improved the membrane stability and the reversibility of the gate response in the presence of different pH values. © 2011 American Chemical Society.
Original language | English (US) |
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Pages (from-to) | 10184-10190 |
Number of pages | 7 |
Journal | Langmuir |
Volume | 27 |
Issue number | 16 |
DOIs | |
State | Published - Aug 16 2011 |
Bibliographical note
KAUST Repository Item: Exported on 2020-10-01ASJC Scopus subject areas
- Spectroscopy
- General Materials Science
- Surfaces and Interfaces
- Electrochemistry
- Condensed Matter Physics