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Article: (n,m) selectivity of single-walled carbon nanotubes by different carbon precursors on Co-Mo catalysts
Title | (n,m) selectivity of single-walled carbon nanotubes by different carbon precursors on Co-Mo catalysts |
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Authors | |
Issue Date | 2007 |
Citation | Journal of the American Chemical Society, 2007, v. 129, n. 29, p. 9014-9019 How to Cite? |
Abstract | Single walled carbon nanotubes (SWCNTs) were synthesized using four different carbon precursors including CO, C H OH, CH OH, and C H on Co-Mo catalysts. Semiconducting (n,m) abundance was evaluated by a method based on a single-particle tight-binding theoretical model taking into consideration the relative photoluminescence and absorption quantum efficiency for specific (n,m) tubes. (n,m) abundance determined in photoluminescence analysis was used to reconstruct the near-infrared E absorption spectra. Carbon precursor pressure was found to be the key factor to the chirality control in this study. Narrowly (n,m) distributed SWCNTs can only be obtained under high-pressure CO or vacuumed C H OH and CH -OH. The majority of these nanotubes are predominately in the same higher chiral-angle region. The carbon precursor chemistry may also play an important role to obtain narrowly (n,m) distributed SWCNTs. (n,m) selectivity on Co-Mo catalysts shifts under different carbon precursors providing the route for (n,m) specific SWCNTs production. © 2007 American Chemical Society. 2 5 3 2 2 11 2 5 3 s |
Persistent Identifier | http://hdl.handle.net/10722/298400 |
ISSN | 2023 Impact Factor: 14.4 2023 SCImago Journal Rankings: 5.489 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, Bo | - |
dc.contributor.author | Poa, C. H.Patrick | - |
dc.contributor.author | Wei, Li | - |
dc.contributor.author | Li, Lain Jong | - |
dc.contributor.author | Yang, Yanhui | - |
dc.contributor.author | Chen, Yuan | - |
dc.date.accessioned | 2021-04-08T03:08:20Z | - |
dc.date.available | 2021-04-08T03:08:20Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Journal of the American Chemical Society, 2007, v. 129, n. 29, p. 9014-9019 | - |
dc.identifier.issn | 0002-7863 | - |
dc.identifier.uri | http://hdl.handle.net/10722/298400 | - |
dc.description.abstract | Single walled carbon nanotubes (SWCNTs) were synthesized using four different carbon precursors including CO, C H OH, CH OH, and C H on Co-Mo catalysts. Semiconducting (n,m) abundance was evaluated by a method based on a single-particle tight-binding theoretical model taking into consideration the relative photoluminescence and absorption quantum efficiency for specific (n,m) tubes. (n,m) abundance determined in photoluminescence analysis was used to reconstruct the near-infrared E absorption spectra. Carbon precursor pressure was found to be the key factor to the chirality control in this study. Narrowly (n,m) distributed SWCNTs can only be obtained under high-pressure CO or vacuumed C H OH and CH -OH. The majority of these nanotubes are predominately in the same higher chiral-angle region. The carbon precursor chemistry may also play an important role to obtain narrowly (n,m) distributed SWCNTs. (n,m) selectivity on Co-Mo catalysts shifts under different carbon precursors providing the route for (n,m) specific SWCNTs production. © 2007 American Chemical Society. 2 5 3 2 2 11 2 5 3 s | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of the American Chemical Society | - |
dc.title | (n,m) selectivity of single-walled carbon nanotubes by different carbon precursors on Co-Mo catalysts | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/ja070808k | - |
dc.identifier.scopus | eid_2-s2.0-34547401669 | - |
dc.identifier.volume | 129 | - |
dc.identifier.issue | 29 | - |
dc.identifier.spage | 9014 | - |
dc.identifier.epage | 9019 | - |
dc.identifier.isi | WOS:000248185500030 | - |
dc.identifier.issnl | 0002-7863 | - |