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CO 2 ‐Responsive “Smart” Single‐Walled Carbon Nanotubes
Author(s) -
Guo Zanru,
Feng Yujun,
He Shuai,
Qu Meizhen,
Chen Honglin,
Liu Hanbin,
Wu Yufeng,
Wang Yu
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201202991
Subject(s) - carbon nanotube , materials science , stacking , polymer , nanotechnology , solvent , dispersion (optics) , pyrene , polymer science , organic chemistry , composite material , chemistry , physics , optics
A new type of “smart” single‐walled carbon nanotubes is created by wrapping a pyrene‐labeled CO 2 ‐responsive polymer via π–π stacking. The polymer/SWNT hybrids not only undergo a hydrophobic–hydrophilic transition upon CO 2 stimulus of CO 2 in a mixed solvent, but also exhibit switchable dispersion/aggregation states upon the alternate bubbling of CO 2 and N 2 in pure water.