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Effect of different metal deposition methods on the growth behaviors of carbon nanotubes
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10.1063/1.2750408
/content/aip/journal/jap/102/1/10.1063/1.2750408
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/1/10.1063/1.2750408
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM images of the interface regions of the 10 nm-Ni film by PLD (a) before and (b) after pretreatment. (c) A SEM image of the surface of the Ni-deposited substrate after pretreatment.

Image of FIG. 2.
FIG. 2.

TEM images of the interface regions of the 10 nm-Ni film by -beam evaporation (a) before and (b) after pretreatment. (c) A SEM image of the surface of the Ni-deposited substrate after pretreatment.

Image of FIG. 3.
FIG. 3.

(Color online) The XPS Ni  spectra obtained from the interface regions of the as-deposited samples, where the Ni films were prepared by (a) PLD and (b) -beam evaporation.

Image of FIG. 4.
FIG. 4.

SEM images of vertically aligned CNTs grown on Ni nanoparticles by thermal CVD at . (a) For PLD, CNTs have no encapsulated Ni particles at the tip. (b) For -beam evaporation, the Ni catalyst particles (bright) are located at the tip of CNTs. The tip images of CNTs are shown in the insets.

Image of FIG. 5.
FIG. 5.

Detailed TEM images of CNTs grown on Ni nanoparticles by thermal CVD at . (a) For PLD, CNTs have the convex compartments away from the bottom catalytic nanoparticles. (b) For -beam evaporation, CNTs have the concave compartments toward the top catalytic nanoparticles. The arrow denotes the growth direction of CNTs for each growth mode. The direction of the curvature of the compartment layers of bamboo-like CNTs indicates the growth mode.

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/content/aip/journal/jap/102/1/10.1063/1.2750408
2007-07-02
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of different metal deposition methods on the growth behaviors of carbon nanotubes
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/1/10.1063/1.2750408
10.1063/1.2750408
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