Highly conjugated polypyrrole on multiwalled carbon nanotube templates analyzed by Raman spectroscopy

Bin Chen; Jun Li; Lance Delzeit; Qibing Pei

doi:10.1117/12.779389

1 November 2007 Highly conjugated polypyrrole on multiwalled carbon nanotube templates analyzed by Raman spectroscopy

Bin Chen, Jun Li, Lance Delzeit, Qibing Pei

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 642312 (2007) https://doi.org/10.1117/12.779389
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

We report studies of the electropolymerized polypyrrole (PPy) films around vertically aligned bamboo-like multiwall carbon nanotube (MWNT) arrays. Raman spectroscopy has revealed large percentage dipolarons resulting from highly conjugated PPy. The expected high conductivity of PPy-MWNT composite has also demonstrated by electrochemical studies. The SEM and TEM microscopy observations of the high mechanical strength, dense packing and strong adhesion exhibited in this composite are results of the π-stacking between the PPy backbone and the aromatic MWNT sidewalls.

Citation Download Citation

Bin Chen, Jun Li, Lance Delzeit, and Qibing Pei "Highly conjugated polypyrrole on multiwalled carbon nanotube templates analyzed by Raman spectroscopy", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 642312 (1 November 2007); https://doi.org/10.1117/12.779389

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