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Conductivity of carbon nanotube polymer composites
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) [(a) and (b)] Plots of instantaneous in-plane conductivity in the and directions vs DPD step number for CNTs dispersed in beads and in polymer chains, respectively (inset: typical CNT distributions). (c) Plot of average conductivity vs interaction strength for the two cases.

Image of FIG. 2.
FIG. 2.

(Color online) Left pane shows representative configurations from the simulations for CNTs in block copolymers. Polymer density fields shown using white ( material) and black (blue online) ( material). Instantaneous positions of the CNTs beads are shown in gray (red online). Morphologies were generated using , , . The right pane plots the electrical conductivity of these structures averaged over the whole trajectory as a function of .

Image of FIG. 3.
FIG. 3.

(Color online) (a) Dependence of the average in-plane electrical conductivity on the diblock copolymer composition and CNT loadings (in vol %). Coloration provides contours at 20%, 40%, and 60% levels for . (b) Comparison of percolation threshold for CNT immersed in diblock and ideal polymer, respectively. The onset of conduction is shifted by approximately .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Conductivity of carbon nanotube polymer composites