What is it about?

The multi-walled carbon nanotubes (MWNT)- polyethylene oxide (PEO) composite films at different wt% (between 0 and 50 wt% )of MWNTs were prepared and characterized by the scanning electron microscopic technique. The electrical conductivity and mechanical strength were observed for the MWNT–PEO composite films.

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Why is it important?

The conductivity measurements on the MWNT–PEO composite films with highest concentration of MWNTs (∼50 wt%) showed an increase of eight orders of magnitude in conductivity from bare PEO film.The elastic modulus and tensile strength of an MWNT (∼50 wt%)–PEO film were increased by about five- and tenfold respectively,as compared to the corresponding values for a PEO film.

Perspectives

This work provides the information related to preparation of carbon nanotube -PEO composite film at cost effective way and measures the electrical and mechanical properties of as prepared composite film.

Dr Kalpana Awasthi
Mahatma Gandhi Kashi Vidyapith

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This page is a summary of: Synthesis and characterization of carbon nanotube–polyethylene oxide composites, Nanotechnology, October 2006, Institute of Physics Publishing,
DOI: 10.1088/0957-4484/17/21/022.
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