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Title: Formation of ordered arrays of oriented polyaniline nanoparticle nanorods
Authors: Xia, H. 
Narayanan, J. 
Cheng, D.
Xiao, C. 
Liu, X. 
Chan, H.S.O. 
Issue Date: 7-Jul-2005
Citation: Xia, H., Narayanan, J., Cheng, D., Xiao, C., Liu, X., Chan, H.S.O. (2005-07-07). Formation of ordered arrays of oriented polyaniline nanoparticle nanorods. Journal of Physical Chemistry B 109 (26) : 12677-12684. ScholarBank@NUS Repository.
Abstract: We report the preparation of ordered polyaniline (PANI) nanorod arrays in an aqueous medium. The oriented PANI nanorods (80-400 nm in diameter and 8-15 μm in length) were synthesized in the presence of hydrophilic Allura Red AC (ARAC) as the structure-directing agent and ammonium persulfate as an oxidant in HCl solution. The morphologies of the oriented PANI nanoparticle nanorods were confirmed by scanning electron microscopy (SEM) and transmission electron microscopy images, and the effect of reaction conditions on the morphology of PANI nanostructures was also studied. On the basis of the result obtained from small-angle X-ray scattering, we propose that rodlike micelle arrays of ARAC-aniline are responsible for directing the formation of oriented PANI nanoparticle nanorods. SEM images and the data analysis of static and dynamic light scattering give supportive evidence to the formation of the PANI nanoparticle nanorods by an elongation process. The chemical and electronic structures of the PANI nanorods were also studied by Fourier transform IR and UV-vis spectrometries, respectively. © 2005 American Chemical Society.
Source Title: Journal of Physical Chemistry B
ISSN: 15206106
DOI: 10.1021/jp0503260
Appears in Collections:Staff Publications

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