期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 74, 期 1, 页码 7-10出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s003390100983
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Following on from our previous report that a monochlorobenzene solution of poly methylmethacrylate is useful for purifying and cutting single-wall carbon nanotubes (SWNTs) and thinning SWNT bundles, we show in this report that polymer and residual amorphous carbon can be removed by burning in oxygen gas. The SWNTS thus obtained had many holes (giving them a worm-eaten look) and were thermally unstable. Such severe damage caused by oxidation is unusual for SWNTs; we think that they were chemically damaged during ultrasonication in the monochlorobenzene solution of polymethylmethacrylate.
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