Laser-assisted synthesis of carbon nanofibers: From arrays to thin films and coatings
Carbon nanofiber assemblies in the form of non-aligned films, arrays of vertically aligned nanofibers, aligned nanofiber mats and composite coatings were produced by laser-assisted catalytic chemical vapor deposition. A visible argon ion laser was used to thermally decompose pure ethylene over alumi...
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| Veröffentlicht in: | Surface & coatings technology 2008-03, Vol.202 (12), p.2661-2669 |
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| container_title | Surface & coatings technology |
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| creator | Longtin, Rémi Fauteux, Christian Carignan, Louis-Philippe Therriault, Daniel Pegna, Joseph |
| description | Carbon nanofiber assemblies in the form of non-aligned films, arrays of vertically aligned nanofibers, aligned nanofiber mats and composite coatings were produced by laser-assisted catalytic chemical vapor deposition. A visible argon ion laser was used to thermally decompose pure ethylene over alumina supported nickel catalysts. Straight, vermicular, beaded, branched and coiled individual nanofibers were observed. The effects of the laser irradiation time on individual nanofiber characteristics, thus on overall nanofiber assembly characteristics were investigated. The arrays, nanostructured films and coatings were examined by scanning electron microscopy. The individual nanofibers were examined by transmission electron microscopy. Nanofiber texture and nanotexture were assessed by lattice fringe analysis of high resolution transmission electron microscopy images. The observed variation in the interfringe distance along the nanofiber wall suggests a pulsed growth mode. This growth mode and the nanofiber shaping mechanism are discussed. Recommendations on how to control nanofiber characteristics such as shape and internal structure are provided. |
| doi_str_mv | 10.1016/j.surfcoat.2007.09.045 |
| format | Article |
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Metallurgy</topic><topic>Methods of deposition of films and coatings; film growth and epitaxy</topic><topic>Nanostructure</topic><topic>Nickel</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Scanning electron microscopy</topic><topic>Surface treatment</topic><topic>Surface treatments</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Longtin, Rémi</creatorcontrib><creatorcontrib>Fauteux, Christian</creatorcontrib><creatorcontrib>Carignan, Louis-Philippe</creatorcontrib><creatorcontrib>Therriault, Daniel</creatorcontrib><creatorcontrib>Pegna, Joseph</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Longtin, Rémi</au><au>Fauteux, Christian</au><au>Carignan, Louis-Philippe</au><au>Therriault, Daniel</au><au>Pegna, Joseph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Laser-assisted synthesis of carbon nanofibers: From arrays to thin films and coatings</atitle><jtitle>Surface & coatings technology</jtitle><date>2008-03-15</date><risdate>2008</risdate><volume>202</volume><issue>12</issue><spage>2661</spage><epage>2669</epage><pages>2661-2669</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>Carbon nanofiber assemblies in the form of non-aligned films, arrays of vertically aligned nanofibers, aligned nanofiber mats and composite coatings were produced by laser-assisted catalytic chemical vapor deposition. 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| subjects | Applied sciences Carbon Cross-disciplinary physics: materials science rheology Exact sciences and technology Laser Materials science Metals. Metallurgy Methods of deposition of films and coatings film growth and epitaxy Nanostructure Nickel Physics Production techniques Scanning electron microscopy Surface treatment Surface treatments Transmission electron microscopy |
| title | Laser-assisted synthesis of carbon nanofibers: From arrays to thin films and coatings |
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