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Synthesis and Characterization of Poly(o-toluidine) in Ionic Liquid and Lanthanum Chloride
Asian Journal of Chemistry,
Vol. 22 No. 1 (2010): Vol 22 Issue 1, 2010
Abstract
Poly(o-toluidine) of high conductivity (10.14 S cm-1) was synthesized
by chemical process in a solution containing LaCl3 and ionic liquid.
The conductivity, UV-Vis, FTIR spectra, X-ray diffraction and thermogravimetric
analysis were investigated. The results of conductivity
showed that the cooperative effect of La3+ and ionic liquid remarkably
improved the conductivity of poly(o-toluidine). Meantime, the energy
gaps of the π-π* and quinoid ring transitions are affected by the cooperative
effect of La3+ and ionic liquid in UV-Vis. The peak of Q-NH+-B
or B-NH+-B in poly(o-toluidine) doped with La3+ shifts to longer wavelength
in FTIR spectra in the presence of ionic liquid. La3+ and ionic
liquid hardly affect the crystallinity of poly(o-toluidine).
by chemical process in a solution containing LaCl3 and ionic liquid.
The conductivity, UV-Vis, FTIR spectra, X-ray diffraction and thermogravimetric
analysis were investigated. The results of conductivity
showed that the cooperative effect of La3+ and ionic liquid remarkably
improved the conductivity of poly(o-toluidine). Meantime, the energy
gaps of the π-π* and quinoid ring transitions are affected by the cooperative
effect of La3+ and ionic liquid in UV-Vis. The peak of Q-NH+-B
or B-NH+-B in poly(o-toluidine) doped with La3+ shifts to longer wavelength
in FTIR spectra in the presence of ionic liquid. La3+ and ionic
liquid hardly affect the crystallinity of poly(o-toluidine).
Keywords
Poly(o-toluidine)
Lanthanum chloride
Ionic liquid
Conductivity
Optical spectroscopy
X-ray diffraction
TGA.
LI†, S., TANG, L., TANG, R., & KAN*, J. (2009). Synthesis and Characterization of Poly(o-toluidine) in Ionic Liquid and Lanthanum Chloride. Asian Journal of Chemistry, 22(1), 415–424. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/16725
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