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Boron- and nitrogen-doped multi-wall carbon nanotubes for gas detection

Abstract:

The response of pristine, nitrogen and boron doped carbon nanotube (CNT) sensors to NO, CO, CH and HO at ppm concentrations was investigated at both room temperature and 150 °C. N-doped CNTs show the best sensitivity to nitrogen dioxide and carbon monoxide, while B-doped CNTs show the best sensitivity to ethylene. All tubes (including undoped) show strong humidity response. Sensing mechanisms are determined via comparison with density functional calculations of gas molecule absorption onto re...

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Publication status:
Published

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Journal:
CARBON
Volume:
66
Pages:
662-673
Publication date:
2014-01-05
DOI:
ISSN:
0008-6223
URN:
uuid:36c81153-a9b5-4eb8-85a8-08052f7e34e7
Source identifiers:
434908
Local pid:
pubs:434908

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