Understanding the scattering mechanism of single-walled carbon nanotube based gas sensors

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Title:	Understanding the scattering mechanism of single-walled carbon nanotube based gas sensors
Authors:	Zhong, Jun;Guo, Jing-Hua;Gao, Bin;Chiou, Jau-Wern;Li, Jiong;Chu, Wang-Sheng;Pong, Way-Faung;Chang, Ching-Lin;Luo, Yi;Wu, Ziyu
Contributors:	淡江大學物理學系
Date:	2010-06
Issue Date:	2011-09-30 22:02:54 (UTC+8)
Publisher:	Kidlington: Pergamon
Abstract:	In the interaction between gas molecules with single-walled carbon nanotube (SWCNT) we show that as a result of collisions the gas scattering contributes with an important background signal and should be considered in SWCNT-based gas sensors. Experimental evidence of the collision-induced tube wall deformation is demonstrated using in situ X-ray absorption near-edge structure spectroscopy. Results support the occurrence of the scattering process and show how gas collisions may affect the electronic structure of SWCNTs.
Relation:	Carbon 48(7), pp.1970–1976
DOI:	10.1016/j.carbon.2010.02.003
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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