2009
DOI: 10.1002/adma.200803003
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Imaging and Spectroscopy of Multiwalled Carbon Nanotubes during Oxidation: Defects and Oxygen Bonding

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Cited by 91 publications
(82 citation statements)
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“…The rise in the relative content of carbon bonded to oxygen-containing functions comes mostly from the increases of COOH and -C O groups, especially -C O groups (400 • C treatment). To explain the significant increase of carbonyl groups in the advanced oxidation stages, A. Barinov et al [18] propose that the formation of a particular functional group is determined by the distances between the neighboring lower-coordinated 'C defect' atoms. The "C"-"C" distance of the ether-type bonding is short, however it's not easy to form a double atom vacancy for the ether formation, that is, carbonyl formation becomes easily and the content increases.…”
Section: Effect Of the Pretreatment Of Cfsmentioning
confidence: 99%
See 1 more Smart Citation
“…The rise in the relative content of carbon bonded to oxygen-containing functions comes mostly from the increases of COOH and -C O groups, especially -C O groups (400 • C treatment). To explain the significant increase of carbonyl groups in the advanced oxidation stages, A. Barinov et al [18] propose that the formation of a particular functional group is determined by the distances between the neighboring lower-coordinated 'C defect' atoms. The "C"-"C" distance of the ether-type bonding is short, however it's not easy to form a double atom vacancy for the ether formation, that is, carbonyl formation becomes easily and the content increases.…”
Section: Effect Of the Pretreatment Of Cfsmentioning
confidence: 99%
“…Similar changes in the C 1s spectra were reported for multiwalled nanotubes subjected to oxidation. The assignments of C 1s components to the O-bonding configurations formed in different oxidation temperatures are extremely complicated [18], therefore we carefully assigned the adscription of C 1s. Fig.…”
Section: Effect Of the Pretreatment Of Cfsmentioning
confidence: 99%
“…In this respect, X-ray photoelectron spectroscopy (XPS) has provided important contributions to semiconductor research, monitoring changes in the chemical state, band bending, and photoemission-induced surface charging [12,18,19,21]. Synchrotron light XPS has become a true microscopy technique, used recently for characterization of nanotubes, nanobelts, and NWs [22][23][24]. This study of undoped GaAs NWs prior to, and after, exposure to oxygen ambient demonstrates that by means of scanning photoelectron microscopy (SPEM) [25] it is possible to examine the interplay between NW diameter and conductance, combining full control of the surface chemical state with contactless monitoring of the changes in the conductivity along the axis of the NWs.…”
Section: Introductionmentioning
confidence: 99%
“…In the case of h BN sheet, the adsorption energy for similar vacancies increases by 2.5 and 4 times. The described features of interac tion between fast oxygen atoms with CNTs are con firmed by experimental data in [19,20].…”
Section: Simulation Of Fast Oxygen Atoms Impactmentioning
confidence: 85%