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Synthesis of Boron Nitride Nanotubes Using Plasma-Assisted CVD Catalyzed by Cu Nanoparticles and Oxygen
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| Title: | Synthesis of Boron Nitride Nanotubes Using Plasma-Assisted CVD Catalyzed by Cu Nanoparticles and Oxygen |
| Authors: | Shiratori, Tatsuya Browse this author | | Yamane, Ichiro Browse this author | | Nodo, Shoto Browse this author | | Ota, Ryo Browse this author | | Yanase, Takashi Browse this author | | Nagahama, Taro Browse this author →KAKEN DB | | Yamamoto, Yasunori Browse this author | | Shimada, Toshihiro Browse this author →KAKEN DB |
| Keywords: | boron nitride nanotube | | plasma chemical vapor deposition (CVD) | | borazine | | Cu | | Cu2O | | core-shell structure |
| Issue Date: | Mar-2021 |
| Publisher: | MDPI |
| Journal Title: | Nanomaterials |
| Volume: | 11 |
| Issue: | 3 |
| Start Page: | 651 |
| Publisher DOI: | 10.3390/nano11030651 |
| Abstract: | We found that oxidized Cu nanoparticles can catalyze the growth of boron nitride nanotubes from borazine via plasma-assisted chemical vapor deposition. The Raman spectra suggest that the formation of thin-walled nanotubes show a radial breathing mode vibration. The presence of oxygen in the plasma environment was necessary for the growth of the nanotubes, and a part of the nanotubes had a core shell structure with a cupper species inside it. In atomic resolution transmission electron microscope (TEM) images, Cu2O was found at the interface between the Cu-core and turbostratic BN-shell. The growth mechanism seemed different from that of carbon nanotube core-shell structures. Therefore, we pointed out the important role of the dynamic morphological change in the Cu2O-Cu system. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/81283 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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