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Carbon nanowalls grown by microwave plasma enhanced chemical vapor deposition during the carbonization of polyacrylonitrile fibers
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10.1063/1.4774218
/content/aip/journal/jap/113/2/10.1063/1.4774218
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4774218

Figures

Image of FIG. 1.
FIG. 1.

The evolution process of PAN fibers via various treatments.

Image of FIG. 2.
FIG. 2.

SEM images PAN fibers at various stages: (a) electrospun PAN fibers, (b) stabilized PAN fibers, (c) furnace carbonized PAN fibers, (d) MPECVD carbonized PAN fibers, (e) MPECVD carbonized PAN fibers with CNWs coatings, and (f) closer view of CNWs at higher magnification.

Image of FIG. 3.
FIG. 3.

FTIR spectra of PAN at various stages: (a) as-received PAN powders, (b) electrospun PAN fibers, (c) stabilized PAN fibers, (d) furnace carbonized PAN fibers, (e) MPECVD carbonized PAN fibers, and (f) MPECVD carbonized PAN fibers with CNWs coatings.

Image of FIG. 4.
FIG. 4.

Raman spectra of PAN fibers at four different stages: (a) electrospun PAN fibers, (b) stabilized PAN fibers, (c) furnace carbonized PAN fibers, and (d) MPECVD carbonized PAN fibers with CNW coatings.

Tables

Generic image for table
Table I.

Assignment of main Raman peaks of PAN fibers derived from various treatments. vD , vG , and vD are the Raman peak position of D band, G band, and D′ band, respectively. ID /IG represents R-value, is the intensity ratio of D band to G band.

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/content/aip/journal/jap/113/2/10.1063/1.4774218
2013-01-10
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Carbon nanowalls grown by microwave plasma enhanced chemical vapor deposition during the carbonization of polyacrylonitrile fibers
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/2/10.1063/1.4774218
10.1063/1.4774218
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