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Effects of Binary Doping on Chiroptical, Electrochemical, and Morphological Properties of Chiral Polyaniline
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 Title & Authors
Effects of Binary Doping on Chiroptical, Electrochemical, and Morphological Properties of Chiral Polyaniline
Kim, Eunok;
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 Abstract
(1S)-(+)-10-camphorsulfonic acid (CSA) and HCl were used together as a binary dopant in the electrodeposition of polyaniline (PAni). (+)-CSA and HCl were added in different mole ratios (9:1 and 6:4). (+)-CSA-doped and binary-doped PAni exhibited markedly different ultraviolet-visible and circular dichroism spectral characteristics due to differences in their conformations. Distinct helical structures are observed in the scanning electron microscopy images of (+)-CSA-doped PAni. The X-ray diffraction pattern of (+)-CSA-doped PAni exhibited remarkably higher crystallinity than that of HCl-doped PAni which is associated with the helical ordering along the polymer chains. The conformational changes due to the binary doping in chiral PAni had a significant effect on its chiroptical and electrochemical properties, morphology, and crystallinity, thus determined its conductivity.
 Keywords
Conducting polymers;Chiral polyaniline;Helical structures;Electrodeposition;Binary doping;
 Language
English
 Cited by
1.
A Comparative Study of Potentiodynamic and Potentiostatic Modes in the Deposition of Polyaniline,;;;;

Bulletin of the Korean Chemical Society, 2016. vol.37. 9, pp.1445-1452 crossref(new window)
1.
A Comparative Study of Potentiodynamic and Potentiostatic Modes in the Deposition of Polyaniline, Bulletin of the Korean Chemical Society, 2016, 37, 9, 1445  crossref(new windwow)
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