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Loos J, Alexeev A, Grossiord N, et al. Visualization of single-wall carbon nanotube (SWNT) networks in conductive polystyrene nanocomposites by charge contrast imaging. Ultramicroscopy. 2005;104(2):160-7doi: 10.1016/j.ultramic.2005.03.007.
Loos, J., Alexeev, A., Grossiord, N., Koning, C. E., & Regev, O. (2005). Visualization of single-wall carbon nanotube (SWNT) networks in conductive polystyrene nanocomposites by charge contrast imaging. Ultramicroscopy, 104(2), 160-7. https://doi.org/10.1016/j.ultramic.2005.03.007
Loos, Joachim, et al. "Visualization of single-wall carbon nanotube (SWNT) networks in conductive polystyrene nanocomposites by charge contrast imaging." Ultramicroscopy vol. 104,2 (2005): 160-7. doi: https://doi.org/10.1016/j.ultramic.2005.03.007
Loos J, Alexeev A, Grossiord N, Koning CE, Regev O. Visualization of single-wall carbon nanotube (SWNT) networks in conductive polystyrene nanocomposites by charge contrast imaging. Ultramicroscopy. 2005 Sep;104(2):160-7. doi: 10.1016/j.ultramic.2005.03.007. Epub 2005 Apr 19. PMID: 15885910.
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Ultramicroscopy. 2005 Sep;104(2):160-7. doi: 10.1016/j.ultramic.2005.03.007. Epub 2005 Apr 19.

Visualization of single-wall carbon nanotube (SWNT) networks in conductive polystyrene nanocomposites by charge contrast imaging.

Ultramicroscopy

Joachim Loos, Alexander Alexeev, Nadia Grossiord, Cor E Koning, Oren Regev

Affiliations

  1. Laboratory of Materials and Interface Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands. [email protected]

PMID: 15885910 DOI: 10.1016/j.ultramic.2005.03.007

Abstract

The morphology of conductive nanocomposites consisting of low concentration of single-wall carbon nanotubes (SWNT) and polystyrene (PS) has been studied using atomic force microscopy (AFM), transmission electron microscopy (TEM) and, in particular, scanning electron microscopy (SEM). Application of charge contrast imaging in SEM allows visualization of the overall SWNT dispersion within the polymer matrix as well as the identification of individual or bundled SWNTs at high resolution. The contrast mechanism involved will be discussed. In conductive nanocomposites the SWNTs are homogeneously dispersed within the polymer matrix and form a network. Beside fairly straight SWNTs, strongly bended SWNTs have been observed. However, for samples with SWNT concentrations below the percolation threshold, the common overall charging behavior of an insulating material is observed preventing the detailed morphological investigation of the sample.

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