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Electric-field-induced microstructural transformation of carbon nanotubes
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10.1063/1.2227620
/content/aip/journal/apl/89/6/10.1063/1.2227620
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2227620
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Figures

Image of FIG. 1.
FIG. 1.

HRTEM micrographs of CNTs grown [(a) and (b)] without electric field and [(c) and (d)] with electric field. (Arrows indicate the direction of tube axis.)

Image of FIG. 2.
FIG. 2.

(a) TEM and (b) HRTEM micrographs of CNTs grown in a pulsed electric field, (c) schematic model of graphite layers; (d) pulsed voltage outputted from a power supply.

Image of FIG. 3.
FIG. 3.

(a) Raman spectra of CNTs grown in a pulsed electric field with variant frequencies; (b) corresponding values.

Image of FIG. 4.
FIG. 4.

(Color online) Models for CNT growth: (a) carbon concentration gradient calculated for a conical catalyst particle coupled with the “herringbone” growth model; (b) stress and deformed boundary of the nanotube and the catalyst particle pulled by electrostatic force; (c) carbon concentration gradient calculated for the elongated catalyst particle coupled with the “tubular” growth model.

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/content/aip/journal/apl/89/6/10.1063/1.2227620
2006-08-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electric-field-induced microstructural transformation of carbon nanotubes
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/6/10.1063/1.2227620
10.1063/1.2227620
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