R Sainz et al 2005 Nanotechnology 16 S150 doi:10.1088/0957-4484/16/5/003
R Sainz1, A M Benito1, M T Martínez1, J F Galindo1,2, J Sotres1,3, A M Baró1,2, B Corraze4, O Chauvet4, A B Dalton5,6, R H Baughman5 and W K Maser1
Show affiliationsA completely soluble polyaniline-multi-wall carbon nanotube (CNT–PANI) composite with drastically enhanced conductivity, improved thermal stability, and luminescent behaviour, has been synthesized. The presence of straight multi-wall carbon nanotubes during the polymerization of aniline induces the formation of a more planar conformation of polyaniline which acts as coating layer for the carbon nanotubes and leads to favourable interaction between the constituents. The polyaniline-coated multi-wall carbon nanotubes align into bundles and form a three-dimensional network in the overall composite. A highly functional carbon nanotube composite completely soluble in n-methylpyrrolidinone (NMP) exhibiting all the favourable processing and transformation possibilities of PANI has been obtained. These findings have important consequences for practical technological applications, especially for the development of opto-electronic devices.
Soft matter, liquids and polymers
Condensed matter: electrical, magnetic and optical
Issue 5 (May 2005)
Received 16 September 2004, in final form 12 January 2005
Published 21 February 2005
R Sainz et al 2005 Nanotechnology 16 S150
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