Li-insertion into carbon nanotubes: Experiment and theory
Lithium-insertion during the arc discharge growth process is investigated by using resonance Raman spectroscopy combined with ab initio calculations. The measurements were performed using two pairs of single-wall carbon nanotubes, one of the members being prepared employing a lithium-contained catal...
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| Veröffentlicht in: | Vibrational spectroscopy 2007-11, Vol.45 (2), p.103-107 |
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| container_title | Vibrational spectroscopy |
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| creator | Guerini, S. Lemos, V. Mendes Filho, J. Montoro, L.A. Matsubara, E.Y. Rosolen, J.M. |
| description | Lithium-insertion during the arc discharge growth process is investigated by using resonance Raman spectroscopy combined with
ab initio calculations. The measurements were performed using two pairs of single-wall carbon nanotubes, one of the members being prepared employing a lithium-contained catalyst and the other its lacking lithium counterpart. The lowest wave number lines were observed as selective resonances for the first pair for which a line occurs at 142.3
cm
−1 from the Li-catalyst prepared sample and at 162.2
cm
−1 for the non-lithium case. The remaining lines are seen in both samples. For the second pair the first two lower-lying lines are selectively seen for the non-lithium sample while for the lithium-contained catalyst case the two highest wave number lines are selectively observed. These different resonance conditions lead us to perform electronic property calculations. The results show that this effect can be tracked to the charge transfer occurring from lithium atoms inserted into the bundles. Calculation shows that the transfer is limited to a Li-insertion rate of Li
6C
68. |
| doi_str_mv | 10.1016/j.vibspec.2007.05.005 |
| format | Article |
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ab initio calculations. The measurements were performed using two pairs of single-wall carbon nanotubes, one of the members being prepared employing a lithium-contained catalyst and the other its lacking lithium counterpart. The lowest wave number lines were observed as selective resonances for the first pair for which a line occurs at 142.3
cm
−1 from the Li-catalyst prepared sample and at 162.2
cm
−1 for the non-lithium case. The remaining lines are seen in both samples. For the second pair the first two lower-lying lines are selectively seen for the non-lithium sample while for the lithium-contained catalyst case the two highest wave number lines are selectively observed. These different resonance conditions lead us to perform electronic property calculations. The results show that this effect can be tracked to the charge transfer occurring from lithium atoms inserted into the bundles. Calculation shows that the transfer is limited to a Li-insertion rate of Li
6C
68.</description><identifier>ISSN: 0924-2031</identifier><identifier>EISSN: 1873-3697</identifier><identifier>DOI: 10.1016/j.vibspec.2007.05.005</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Ab initio calculations ; Carbon nanotubes ; Charge transfer effects ; Electronic properties of carbon nanotubes ; Structural properties of carbon nanotubes</subject><ispartof>Vibrational spectroscopy, 2007-11, Vol.45 (2), p.103-107</ispartof><rights>2007 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-20f682bf302c558d7843fc902df88ac63bfb66b637178f83d63b2b499bcd99f63</citedby><cites>FETCH-LOGICAL-c340t-20f682bf302c558d7843fc902df88ac63bfb66b637178f83d63b2b499bcd99f63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.vibspec.2007.05.005$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Guerini, S.</creatorcontrib><creatorcontrib>Lemos, V.</creatorcontrib><creatorcontrib>Mendes Filho, J.</creatorcontrib><creatorcontrib>Montoro, L.A.</creatorcontrib><creatorcontrib>Matsubara, E.Y.</creatorcontrib><creatorcontrib>Rosolen, J.M.</creatorcontrib><title>Li-insertion into carbon nanotubes: Experiment and theory</title><title>Vibrational spectroscopy</title><description>Lithium-insertion during the arc discharge growth process is investigated by using resonance Raman spectroscopy combined with
ab initio calculations. The measurements were performed using two pairs of single-wall carbon nanotubes, one of the members being prepared employing a lithium-contained catalyst and the other its lacking lithium counterpart. The lowest wave number lines were observed as selective resonances for the first pair for which a line occurs at 142.3
cm
−1 from the Li-catalyst prepared sample and at 162.2
cm
−1 for the non-lithium case. The remaining lines are seen in both samples. For the second pair the first two lower-lying lines are selectively seen for the non-lithium sample while for the lithium-contained catalyst case the two highest wave number lines are selectively observed. These different resonance conditions lead us to perform electronic property calculations. The results show that this effect can be tracked to the charge transfer occurring from lithium atoms inserted into the bundles. Calculation shows that the transfer is limited to a Li-insertion rate of Li
6C
68.</description><subject>Ab initio calculations</subject><subject>Carbon nanotubes</subject><subject>Charge transfer effects</subject><subject>Electronic properties of carbon nanotubes</subject><subject>Structural properties of carbon nanotubes</subject><issn>0924-2031</issn><issn>1873-3697</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWD9-grAnb7tOkt1s4kWk1A8oeNFz2GQTTGmTNUmL_femtHdPMwzv-87Mg9AdhgYDZg-rZudUmoxuCEDfQNcAdGdohnlPa8pEf45mIEhbE6D4El2ltAIA1mE6Q2LpaueTidkFXzmfQ6WHqErvBx_yVpn0WC1-JxPdxvhcDX6s8rcJcX-DLuywTub2VK_R18vic_5WLz9e3-fPy1rTFnLZaRknylIguuv42POWWi2AjJbzQTOqrGJMMdrjnltOxzIhqhVC6VEIy-g1uj_mTjH8bE3KcuOSNuv14E3YJkkxaXnfQhF2R6GOIaVorJzK0UPcSwzyAEqu5AmUPICS0MkCqviejj5Tvtg5E2XSznhtRheNznIM7p-EPxI4dAY</recordid><startdate>20071120</startdate><enddate>20071120</enddate><creator>Guerini, S.</creator><creator>Lemos, V.</creator><creator>Mendes Filho, J.</creator><creator>Montoro, L.A.</creator><creator>Matsubara, E.Y.</creator><creator>Rosolen, J.M.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20071120</creationdate><title>Li-insertion into carbon nanotubes: Experiment and theory</title><author>Guerini, S. ; Lemos, V. ; Mendes Filho, J. ; Montoro, L.A. ; Matsubara, E.Y. ; Rosolen, J.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-20f682bf302c558d7843fc902df88ac63bfb66b637178f83d63b2b499bcd99f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Ab initio calculations</topic><topic>Carbon nanotubes</topic><topic>Charge transfer effects</topic><topic>Electronic properties of carbon nanotubes</topic><topic>Structural properties of carbon nanotubes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guerini, S.</creatorcontrib><creatorcontrib>Lemos, V.</creatorcontrib><creatorcontrib>Mendes Filho, J.</creatorcontrib><creatorcontrib>Montoro, L.A.</creatorcontrib><creatorcontrib>Matsubara, E.Y.</creatorcontrib><creatorcontrib>Rosolen, J.M.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Vibrational spectroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guerini, S.</au><au>Lemos, V.</au><au>Mendes Filho, J.</au><au>Montoro, L.A.</au><au>Matsubara, E.Y.</au><au>Rosolen, J.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Li-insertion into carbon nanotubes: Experiment and theory</atitle><jtitle>Vibrational spectroscopy</jtitle><date>2007-11-20</date><risdate>2007</risdate><volume>45</volume><issue>2</issue><spage>103</spage><epage>107</epage><pages>103-107</pages><issn>0924-2031</issn><eissn>1873-3697</eissn><abstract>Lithium-insertion during the arc discharge growth process is investigated by using resonance Raman spectroscopy combined with
ab initio calculations. The measurements were performed using two pairs of single-wall carbon nanotubes, one of the members being prepared employing a lithium-contained catalyst and the other its lacking lithium counterpart. The lowest wave number lines were observed as selective resonances for the first pair for which a line occurs at 142.3
cm
−1 from the Li-catalyst prepared sample and at 162.2
cm
−1 for the non-lithium case. The remaining lines are seen in both samples. For the second pair the first two lower-lying lines are selectively seen for the non-lithium sample while for the lithium-contained catalyst case the two highest wave number lines are selectively observed. These different resonance conditions lead us to perform electronic property calculations. The results show that this effect can be tracked to the charge transfer occurring from lithium atoms inserted into the bundles. Calculation shows that the transfer is limited to a Li-insertion rate of Li
6C
68.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.vibspec.2007.05.005</doi><tpages>5</tpages></addata></record> |
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| ispartof | Vibrational spectroscopy, 2007-11, Vol.45 (2), p.103-107 |
| issn | 0924-2031 1873-3697 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_31248740 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Ab initio calculations Carbon nanotubes Charge transfer effects Electronic properties of carbon nanotubes Structural properties of carbon nanotubes |
| title | Li-insertion into carbon nanotubes: Experiment and theory |
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