The helical sense of conducting polyaniline nanofibers was induced using chiral acid as dopant, which can be inversed through a copolymerization of aniline with N-methyl aniline. By delicately controlling the inversion driving force of steric hindrance, we successfully obtained "helical heterojunctions" composed of right- and left-handed helical structures in one helical nanofiber.
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| http://dx.doi.org/10.1039/c2cc17235f | DOI Listing |
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