Understanding the scattering mechanism of single-walled carbon nanotube based gas sensors
2010 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 48, no 7, 1970-1976 p.Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
2010. Vol. 48, no 7, 1970-1976 p.
X-RAY-ABSORPTION, INTERCALATED GRAPHITE, CHEMICAL SENSORS, FINE-STRUCTURE, SPECTROSCOPY, ADSORPTION, PHOTOEMISSION, SENSITIVITY, BUNDLES
Engineering and Technology
IdentifiersURN: urn:nbn:se:kth:diva-28260DOI: 10.1016/j.carbon.2010.02.003ISI: 000276920900015ScopusID: 2-s2.0-77949489810OAI: oai:DiVA.org:kth-28260DiVA: diva2:387594
FunderSwedish Research Council
QC 201101142011-01-142011-01-122011-01-14Bibliographically approved