Nanowire sensor response to reactive gas environment
Cvelbar, U., Ostrikov, K., Drenik, A., & Mozetic, M. (2008) Nanowire sensor response to reactive gas environment. Applied Physics Letters, 92(13), pp. 133505-1.
The response of an originally developed catalytic sensor with a Nb2 O5 nanowire array at its outer surface to the varying density of O atoms is experimentally and numerically studied. This technique can be used to measure one order of magnitude lower densities of O atoms and achieve a stable linear response in a significantly broader pressure range compared to conventional catalytic probes with a flat surface. The nanostructured outer surface also acts as a thermal barrier against sensor overheating. This approach is generic and can be used for reactive species detection in other reactive gas environments.
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|Item Type:||Journal Article|
|Keywords:||nanowires, gas sensors, catalysis, niobium, atom surface collisions|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2008 American Institute of Physics (AIP)|
|Deposited On:||11 Jul 2014 01:01|
|Last Modified:||14 Jul 2014 03:30|
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