Controlled surface modification of boron nitride nanotubes

Dai, Xiujuan J., Chen, Ying, Chen, Zhiqiang, Lamb, Peter R., Li, Lu H., du Plessis, Johan, McCulloch, Dougal G. and Wang, Xungai 2011, Controlled surface modification of boron nitride nanotubes, Nanotechnology, vol. 22, no. 24, pp. 1-7, doi: 10.1088/0957-4484/22/24/245301.

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Title Controlled surface modification of boron nitride nanotubes
Author(s) Dai, Xiujuan J.
Chen, YingORCID iD for Chen, Ying
Chen, ZhiqiangORCID iD for Chen, Zhiqiang
Lamb, Peter R.
Li, Lu H.ORCID iD for Li, Lu H.
du Plessis, Johan
McCulloch, Dougal G.
Wang, XungaiORCID iD for Wang, Xungai
Journal name Nanotechnology
Volume number 22
Issue number 24
Start page 1
End page 7
Total pages 7
Publisher Institute of Physics Publishing
Place of publication Bristol, U. K.
Publication date 2011
ISSN 0957-4484
Keyword(s) nanotechnology
Summary Controlled surface modification of boron nitride nanotubes has been achieved by gentle plasma treatment. Firstly, it was shown that an amorphous surface layer found on the outside of the nanotubes can be removed without damaging the nanotube structure. Secondly, it was shown that an oxygen plasma creates nitrogen vacancies that then allow oxygen atoms to be successfully substituted onto the surface of BNNTs. The percentage of oxygen atoms can be controlled by changing the input plasma energy and by the Ar plasma pre-treatment time. Finally, it has been demonstrated that nitrogen functional groups can be introduced onto the surface of BNNTs using an N2 + H2 plasma. The N2 + H2 plasma also created nitrogen vacancies, some of which led to surface functionalization while some underwent oxygen healing.
Language eng
DOI 10.1088/0957-4484/22/24/245301
Field of Research 091205 Functional Materials
100708 Nanomaterials
Socio Economic Objective 861603 Integrated Circuits and Devices
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, IOP Publishing
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