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dc.contributor.authorTseng, Wen-Shouen_US
dc.contributor.authorTseng, Chyuan-Yowen_US
dc.contributor.authorKuo, Cheng-Tzuen_US
dc.date.accessioned2014-12-08T15:09:57Z-
dc.date.available2014-12-08T15:09:57Z-
dc.date.issued2009-03-01en_US
dc.identifier.issn1931-7573en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s11671-008-9231-4en_US
dc.identifier.urihttp://hdl.handle.net/11536/7600-
dc.description.abstractHigh incident energy hydrogen and/or oxygen cations are generated by electron cyclotron resonance system, and then used to highly efficiently modify multi-walled carbon nanotubes (MWCNTs). The effects of various H(2)/O(2) gas compositions on the modification process are studied. A systematic characterization method utilizing a combination of X-ray photoelectron spectroscopy (XPS), scanning electron microscopy, Raman spectroscopy, and thermogravimetric analysis (TGA) is used to evaluate the effects of various H(2)/O(2) gas compositions on MWCNT functionalization. The Raman results show that the I (D)/I (G) ratio is directly affected by H(2) concentration in gas mixture, and the treatment applying a H(2)/O(2) gas mixture with ratio of 40/10 (sccm/sccm) can yield the nanotubes with the highest I (D)/I (G) ratio (1.27). The XPS results suggest that the gas mixture with ratio of 25/25 (sccm/sccm) is most effective in introducing oxygen-containing functional groups and reducing amorphous carbon. The TGA suggests that the structural change of the treated nanotubes is marginal by this method with any gas condition.en_US
dc.language.isoen_USen_US
dc.subjectMulti-walled carbon nanotubesen_US
dc.subjectElectron cyclotron resonance plasmaen_US
dc.titleEffects of Gas Composition on Highly Efficient Surface Modification of Multi-Walled Carbon Nanotubes by Cation Treatmenten_US
dc.typeArticleen_US
dc.identifier.doi10.1007/s11671-008-9231-4en_US
dc.identifier.journalNANOSCALE RESEARCH LETTERSen_US
dc.citation.volume4en_US
dc.citation.issue3en_US
dc.citation.spage234en_US
dc.citation.epage239en_US
dc.contributor.department材料科學與工程學系zh_TW
dc.contributor.departmentDepartment of Materials Science and Engineeringen_US
dc.identifier.wosnumberWOS:000263173400008-
dc.citation.woscount6-
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