Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 115, Issue 42, Pages 20412-20418Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp2057699
Keywords
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Funding
- European Commission [ERC 246791 (COUNTATOMS)]
- Belgian Program on Interuniversity Attraction Pole [PAI 6/08]
- ARC-UMONS
- French National Agency (ANR) [ANR-09-NANO-016-01, P3N2009]
- COST Action [MP0901 NanoTP]
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Vertically aligned multiwalled carbon nanotubes (v-MWCNTs) are functionalized using atomic oxygen generated in a microwave plasma. X-ray photoelectron spectroscopy depth profile analysis shows that the plasma treatment effectively grafts oxygen exclusively at the v-MWCNT tips. Electron microscopy shows that neither the vertical alignment nor the structure of v-MWCNTs were affected by the plasma treatment. Density functional calculations suggest assignment of XPS C 1s peaks at 286.6 and 287.5 eV, to epoxy and carbonyl functional groups, respectively.
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