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Surface electrical conductivity in ultrathin single-wall carbon nanotube/polymer nanocomposite films
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10.1063/1.2193812
/content/aip/journal/apl/88/16/10.1063/1.2193812
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/16/10.1063/1.2193812
View: Figures

Figures

Image of Scheme 1.
Scheme 1.

Chemical structures of polymers used as matrices.

Image of FIG. 1.
FIG. 1.

(Color online) Cross section of the composite film showing location of SWNT near the film-air interface (a) or near the film-substrate interface (b) due to vertical phase separation. Scheme of the electrical conductivity measurements “on top” (c) and “on the bottom” (d) of the composite film. Curved lines inside of the composite film intend to show a presumable region of the electrical current flow in each case.

Image of FIG. 2.
FIG. 2.

(Color online) Linear (a) and semilogarithmic [(b) and (c)] plots of curves for polymer nanocomposites measured at film-air interface (top) or at film-substrate interface (bottom) of the film. In plot (c) pure PS (triangles) and PU (open circles) matrix film conductivity curves are shown for comparison. Absolute values of the current are shown for both direct and reversed biases in (b) and (c).

Image of FIG. 3.
FIG. 3.

AFM image of an individual nanotube bundle with unbundled edge showing two constituting SWNTs of diameter (a), and FMM-AFM image of the PU/SWNT composite with carbon nanotubes traversing on the surface (b).

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/content/aip/journal/apl/88/16/10.1063/1.2193812
2006-04-17
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface electrical conductivity in ultrathin single-wall carbon nanotube/polymer nanocomposite films
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/16/10.1063/1.2193812
10.1063/1.2193812
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