Conduction properties of thin films from a water soluble carbon nanotube/hemicellulose complex
Shao, D., Yotprayoonsak, P., Saunajoki, V., Ahlskog, M., Virtanen, J., Kangas, V., Volodin, A., Haesendonck, C. V., Burdanova, M., Mosley, C., & Lloyd-Hughes, J. (2018). Conduction properties of thin films from a water soluble carbon nanotube/hemicellulose complex. Nanotechnology, 29(14), Article 145203. https://doi.org/10.1088/1361-6528/aaabd1
© 2018 IOP Publishing Ltd. This is a final draft version of an article whose final and definitive form has been published by IOP Publishing Ltd. Published in this repository with the kind permission of the publisher.
We have examined the conductive properties of carbon nanotube based thin films, which were prepared via dispersion in water by non-covalent functionalization of the nanotubes with xylan, a type of hemicellulose. Measurements of low temperature conductivity, Kelvin probe force microscopy, and high frequency (THz) conductivity elucidated the intra-tube and inter-tube charge transport processes in this material. The measurements show excellent conductive properties of the as prepared thin films, with bulk conductivity up to 2000 S cm−1. The transport results demonstrate that the hemicellulose does not seriously interfere with the inter-tube conductance.
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