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DC Field | Value | Language |
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dc.citation.endPage | 19248 | - |
dc.citation.number | 41 | - |
dc.citation.startPage | 19242 | - |
dc.citation.title | JOURNAL OF PHYSICAL CHEMISTRY B | - |
dc.citation.volume | 109 | - |
dc.contributor.author | Yang, Cheol-Min | - |
dc.contributor.author | Park, Jin Sung | - |
dc.contributor.author | An, Kay Hyeok | - |
dc.contributor.author | Lim, Seong Chu | - |
dc.contributor.author | Seo, Kwanyong | - |
dc.contributor.author | Kim, Bongsoo | - |
dc.contributor.author | Park, Kyung Ah | - |
dc.contributor.author | Han, Seungwu | - |
dc.contributor.author | Park, Chong Yun | - |
dc.contributor.author | Lee, Young Hee | - |
dc.date.accessioned | 2023-12-22T10:12:04Z | - |
dc.date.available | 2023-12-22T10:12:04Z | - |
dc.date.created | 2015-07-22 | - |
dc.date.issued | 2005-10 | - |
dc.description.abstract | Coexistence of metallic and semiconducting carbon nanotubes has often been a bottleneck in many applications and much fundamental research. Single-walled carbon nanotubes (SWCNTs) were dissolved in HNO3/H2SO4 mixture to confirm differing reactivity between metallic (in) and semiconducting (s) SWCNTs. With HNO3/H2SO4 treatment, s-SWCNTs remained intact, while m-SWCNTs were completely removed for SWCNTs with small diameters less than 1.1 nm, which was confirmed by resonant Raman and optical absorption spectra. We also showed that nitronium ions (NO2+) dissolved in the HNO3/HSO4 solution could preferably attack the m-SWCNTs, which was supported by our theoretical calculation. This clear selectivity can be explained by the preferential adsorption of positively charged NO2+ on m-SWCNTs due to more available electron densities at the Fermi level in the m-SWCNTs. We report for the first time a selective removal of small-diameter m-SWCNTs by using HNO3/H2SO4 Solution, which presented a striking contrast to the diameter-selective removal of SWCNTs by oxidative etching reported previously | - |
dc.identifier.bibliographicCitation | JOURNAL OF PHYSICAL CHEMISTRY B, v.109, no.41, pp.19242 - 19248 | - |
dc.identifier.doi | 10.1021/jp053245c | - |
dc.identifier.issn | 1520-6106 | - |
dc.identifier.scopusid | 2-s2.0-27544469852 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/12260 | - |
dc.identifier.url | http://pubs.acs.org/doi/abs/10.1021/jp053245c | - |
dc.identifier.wosid | 000232612100033 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title.alternative | Selective removal of metallic single-walled carbon nanotubes with small diameters by using nitric and sulfuric acids | - |
dc.title | Selective removal of metallic single-walled carbon nanotubes with small diameters by using nitric and sulfuric acids | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | RAMAN-SPECTROSCOPY | - |
dc.subject.keywordPlus | SEPARATION | - |
dc.subject.keywordPlus | FUNCTIONALIZATION | - |
dc.subject.keywordPlus | PURIFICATION | - |
dc.subject.keywordPlus | REACTIVITY | - |
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