A facile synthesis procedure for sulfonated aniline oligomers with distinct microstructures
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Date
2018
Authors
Karunagaran, R.
Coghlan, C.
Tran, D.
Tung, T.T.
Burgun, A.
Doonan, C.
Losic, D.
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Materials, 2018; 11(9):11091755-1-11091755-11
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Ramesh Karunagaran, Campbell Coghlan, Diana Tran, Tran Thanh Tung, Alexandre Burgun, Christian Doonan and Dusan Losic
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Abstract
Well-defined sulfonated aniline oligomer (SAO) microstructures with rod and flake morphologies were successfully synthesized using an aniline and oxidant with a molar ratio of 10:1 in ethanol and acidic conditions (pH 4.8). The synthesized oligomers showed excellent dispersibility and assembled as well-defined structures in contrast to the shapeless aggregated material produced in a water medium. The synergistic effects among the monomer concentration, oxidant concentration, pH, and reaction medium are shown to be controlling parameters to generate SAO microstructures with distinct morphologies, whether micro sheets or micro rods.
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© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).