Journal
JOURNAL OF POLYMER RESEARCH
Volume 14, Issue 5, Pages 423-429Publisher
SPRINGER
DOI: 10.1007/s10965-007-9125-7
Keywords
conducting polymers; polyaniline; cellulose triacetate; blend; hopping mechanism
Categories
Ask authors/readers for more resources
Polyaniline (PANI) has been blended with cellulose triacetate (CTA) to obtain both good mechanical properties and good electrical properties. The effects of PANI weight percentage on the optical, structural, morphological and electrical properties in the blend films of polyaniline and cellulose triacetate (PANI/CTA) have been investigated. The phenomenon of percolation was observed in these blend films. It is found that the electrical conductivity of the blend films increases with the increase of polyaniline content up to a value of 10(-4) S cm(-1) at 84 weight percentage of PANI. The experimental percolation threshold of the dried blend films is obtained at 9.5 wt% of polyaniline. The values of Mott's temperature, density of states at the Fermi level [N (E (f))], hopping distance (R (hop)), and barrier height (W (hop)) for PANI/CTA blend films are calculated. By applying Mott's theory, it is found that the PANI/CTA blend films obey the three dimensional variable range hopping mechanism.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available