Light and CO<sub>2</sub>/N<sub>2</sub> dual stimuli-responsive wormlike micelles based on a zwitterionic surfactant and an azobenzene surfactant.
basic_science · Level V
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- Record sourced from PubMed, PMID 29302673.
- Also identified by DOI 10.1039/c7sm02064c.
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Abstract
Stimulus-responsive surfactant wormlike micelles have been widely investigated in the past decade. In this article, we report light and CO<sub>2</sub>/N<sub>2</sub> dual stimuli-responsive wormlike micelles using a zwitterionic surfactant (SDAP) and an azobenzene surfactant (C<sub>4</sub>AzoC<sub>6</sub>N). In contrast to traditional amine-containing wormlike micelles, a fast and reversible CO<sub>2</sub>-triggered thinning behavior was observed. The system can also be reversibly switched by UV irradiation. The dual stimuli-responsive wormlike micelles (C<sub>4</sub>AzoC<sub>6</sub>N-SDAP) may have applications in the development of functional materials for microfluidics and analytical chemistry.