Journal
ADVANCED MATERIALS
Volume 25, Issue 4, Pages 584-590Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202991
Keywords
CO2-responsive polymers; single-walled carbon nanotubes; hydrophobic-hydrophilic transition; smart materials
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Funding
- Distinguished Youth Fund of Sichuan Province [2010JQ0029]
- National Natural Science Foundation of China [21273223, 21173207]
- Sichuan University
- Ministry of Science and Technology (MOST) of China [2011CB932604]
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A new type of smart single-walled carbon nanotubes is created by wrapping a pyrene-labeled CO2-responsive polymer via p-p stacking. The polymer/SWNT hybrids not only undergo a hydrophobic-hydrophilic transition upon CO2 stimulus in a mixed solvent, but also exhibit switchable dispersion/aggregation states upon the alternate bubbling of CO2 and N-2 in pure water.
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