期刊
CARBON TRENDS
卷 10, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.cartre.2022.100236
关键词
Carbon nanotubes; Pyrolysis; Organic molecule; Urea or ethylenediamine
We synthesized carbon nanotubes by cross-linking citric acid with amino urea or ethylenediamine. Factors affecting the yield of carbon nanotube were optimized and the catalytic effect of hydrated metal nitrate on carbon nanotube growth was investigated. The results showed that carbon nanotube can grow in a wide range of urea content, and even a two-dimensional sheet assembled by the prepared carbon nanotubes was observed when ethylenediamine was used. This competitive strategy is believed to expand the techniques for efficient, large-scale, and low-cost synthesis of carbon nanotubes.
We prepare carbon nanotubes based on the cross-linking reaction between small organic molecules citric acid and amino urea or ethylenediamine. Factors affecting the yield of carbon nanotube are optimized and catalytic effect of hydrated metal nitrate on carbon nanotube growth is investigated. The results demonstrate that carbon nanotube can grow in a wide range of urea content. Even two-dimensional sheet assembled by the prepared carbon nanotubes is observed when ethylenediamine is used. It is believed that such competitive strategy can expand the techniques for efficient, large-scale and low-cost synthesis of carbon nanotubes.
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