Carbonization of electrospun poly(acrylonitrile) nanofibers containing multiwalled carbon nanotubes observed by transmission electron microscope with in situ heating
Identifieur interne : 000480 ( Main/Exploration ); précédent : 000479; suivant : 000481Carbonization of electrospun poly(acrylonitrile) nanofibers containing multiwalled carbon nanotubes observed by transmission electron microscope with in situ heating
Auteurs : Sabina Prilutsky [Israël] ; Eyal Zussman [Israël] ; Yachin Cohen [Israël]Source :
- Journal of Polymer Science Part B: Polymer Physics [ 0887-6266 ] ; 2010-10-15.
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Abstract
Composite nanofibers with 5% w/w multiwalled carbon nanotubes (MWCNTs) in polyacrylonitrile (PAN) were fabricated using the electrospinning technique. Morphological development during the carbonization process was characterized by transmission electron microscopy (TEM) with in situ heating. It was found that the orientation of graphitic layers increases with temperature and does not change significantly with time during our TEM measurement, except the 750 °C. In the heating stage at 750 °C noticeable enhancement of orientation with time was observed. The presence of embedded CNTs enhances the order of the formed graphitic structures even when the CNTs are irregular or entangled. The results indicate that embedded MWCNTs in the PAN nanofibers nucleate the growth of carbon crystals during PAN carbonization. © 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2010
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DOI: 10.1002/polb.22092
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Polym. Sci. B Polym. Phys.</title><idno type="ISSN">0887-6266</idno><idno type="eISSN">1099-0488</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2010-10-15">2010-10-15</date><biblScope unit="volume">48</biblScope><biblScope unit="issue">20</biblScope><biblScope unit="page" from="2121">2121</biblScope><biblScope unit="page" to="2128">2128</biblScope></imprint><idno type="ISSN">0887-6266</idno></series><idno type="istex">26AB52A9BA97511D937BE98F5B8A3B1DCCA58A18</idno><idno type="DOI">10.1002/polb.22092</idno><idno type="ArticleID">POLB22092</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0887-6266</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>TEM</term><term>carbonization</term><term>fibers</term><term>multiwalled carbon nanotubes</term><term>nanocomposites</term><term>poly(acrylonitrile)</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Composite nanofibers with 5% w/w multiwalled carbon nanotubes (MWCNTs) in polyacrylonitrile (PAN) were fabricated using the electrospinning technique. Morphological development during the carbonization process was characterized by transmission electron microscopy (TEM) with in situ heating. It was found that the orientation of graphitic layers increases with temperature and does not change significantly with time during our TEM measurement, except the 750 °C. In the heating stage at 750 °C noticeable enhancement of orientation with time was observed. The presence of embedded CNTs enhances the order of the formed graphitic structures even when the CNTs are irregular or entangled. The results indicate that embedded MWCNTs in the PAN nanofibers nucleate the growth of carbon crystals during PAN carbonization. © 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2010</div></front></TEI><affiliations><list><country><li>Israël</li></country></list><tree><country name="Israël"><noRegion><name sortKey="Prilutsky, Sabina" sort="Prilutsky, Sabina" uniqKey="Prilutsky S" first="Sabina" last="Prilutsky">Sabina Prilutsky</name></noRegion><name sortKey="Cohen, Yachin" sort="Cohen, Yachin" uniqKey="Cohen Y" first="Yachin" last="Cohen">Yachin Cohen</name><name sortKey="Zussman, Eyal" sort="Zussman, Eyal" uniqKey="Zussman E" first="Eyal" last="Zussman">Eyal Zussman</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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