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Title: Morphology evolution of polyaniline microstructures via reverse micelles and their hydrophobicity
Authors: Wen, T.
Shi, J.
Zheng, M.
Varghese, B. 
Sow, C.-H. 
Chan, H.S.O. 
Keywords: Hydrophobic surface
Reverse micelle
Issue Date: 2012
Citation: Wen, T., Shi, J., Zheng, M., Varghese, B., Sow, C.-H., Chan, H.S.O. (2012). Morphology evolution of polyaniline microstructures via reverse micelles and their hydrophobicity. Journal of Nanoscience and Nanotechnology 12 (1) : 91-98. ScholarBank@NUS Repository.
Abstract: Polyaniline morphology evolution in toluene has been observed for the first time. Various structures, including one-dimensional open-ended microtubes, three-dimensional solid microspheres and two-dimensional novel solid microplates were controllably synthesized in the same reaction system. The structures obtained were sensitive to oxidant concentration and molar ratio of monomer to oxidant. Solid microplates were mainly formed on the glass beaker wall and bottom, while tubes and spheres were produced in solution by employing reverse micelles as soft templates. Studies on the effect of reaction temperature, mechanical stirring and the addition of more acid were also carried out. FTIR and UV-Vis results showed that the PANI products were in the emeraldine form. The PANI film prepared from spheres exhibited hydrophobic property due to its rough surface covered with nanoscale dots and the large distribution of sphere diameters. Copyright © 2012 American Scientific Publishers All rights reserved.
Source Title: Journal of Nanoscience and Nanotechnology
ISSN: 15334880
DOI: 10.1166/jnn.2012.5143
Appears in Collections:Staff Publications

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