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- W4253472528 abstract "We have developed a new technique for the microwave-assisted purification of multiwalled carbon nanotubes (MWNTs) in a closed vessel at 180 °C for 30 min in the presence of 20% hydrogen peroxide. A comparison of the purification efficiencies of hydrogen peroxide and nitric acid was conducted using the gravimetric method and indicated that the former exhibits better at removing defects than the latter. A temperature of 180 °C was suitable for the purification of nanotubes without decomposition, as evidenced by Raman spectroscopy and thermogravimetric analysis. Purification temperatures below 180 °C were not effective in removing defects, while temperatures above 180 °C decomposed the nanotubes. SEM images provide further evidence for the effectiveness of purification at 180 °C. This technique is more efficient, with regard to energy and time, than conventional purification methods." @default.
- W4253472528 created "2022-05-12" @default.
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- W4253472528 date "2004-06-01" @default.
- W4253472528 modified "2023-10-16" @default.
- W4253472528 title "Highly efficient microwave-assisted purification of multiwalled carbon nanotubes" @default.
- W4253472528 doi "https://doi.org/10.1016/s0167-9317(04)00141-8" @default.
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