Chiou, Nan-Rong and Lui, Chunmeng and Guan, Jingjiao and Lee, L. James and Epstein, Arthur J. (2007) Growth and alignment of polyaniline nanofibres with superhydrophobic, superhydrophilic and other properties. NATURE NANOTECHNOLOGY, 2 (6). pp. 354-357. ISSN ISSN: 1748-3387; EISSN: 1748-3395
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Official URL: http://www.nature.com/nnano/journal/v2/n6/abs/nnan...
Polyaniline nanofibres can be prepared by a number of methods based on chemical oxidative polymerization(1-7) and in situ adsorption polymerization(4-6). However, the lack of alignment in these nanostructures makes them unsuitable for many applications. Here, we report a simple approach to chemical oxidative polymerization that can control the growth and simultaneous alignment of polyaniline nanofibres grown on a range of conducting and non-conducting substrates in a wide variety of sizes. The diameters of the tips of the nanofibres can be controlled within the range 10-40 nm, and the average length can be controlled within the range 70-360 nm. Moreover, the coatings display a range of properties including superhydrophilicity and superhydrophobicity. Such nanostructured coatings may be useful for applications such as anti-fog coatings, self-cleaning surfaces, DNA manipulation, transparent electrodes for low-voltage electronics, and chemical and biological sensors.
|Subjects:||Material Science > Functional and hybrid materials|
Material Science > Nanofabrication processes and tools
|Deposited By:||M T V|
|Deposited On:||02 Jan 2009 10:49|
|Last Modified:||02 Jan 2009 10:49|
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