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Nanotechnology. 2013 Jan 11;24(1):015709. doi: 10.1088/0957-4484/24/1/015709. Epub 2012 Dec 10.

Oriented, polymer-stabilized carbon nanotube films: influence of dispersion rheology.

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1
Department of Chemical Engineering, Stanford University, Stanford, CA 94305-5025, USA.

Abstract

Thin carbon nanotube films have great potential for transparent electrodes for solar cells and displays. One advantage for using carbon nanotubes is the potential for solution processing. However, research has not been done to connect solution rheological properties with the corresponding film characteristics. Here we study the rheological properties of single-walled carbon nanotube/polythiophene composite dispersions to better understand the alignment that can be achieved during deposition. Several parameters are varied to explore the cause of the alignment and the requirements of achieving a uniform, aligned carbon nanotube/polythiophene film. By understanding the dispersions thoroughly, the film quality can be predicted.

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