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Title: A low-cost approach to low-power gas sensors based on self-heating effects in large arrays of nanostructures
Author: Monereo, O.
Casals Guillén, Olga
Prades García, Juan Daniel
Cirera Hernández, Albert
Issue Date: 11-Sep-2015
Abstract: The usual operation of a conductometric sensor device requires of an external energy source (i.e. an embedded heater). In the last years, the Joule effect in the sensing material, the so called self-heating effect, offered and alternative method to provide this energy: the probing current (or voltage) applied to measure the sensor signal also serves to heat up the sensor active film. Here, evidences of self-heating effects occurring on large arrays of nanostructures fabricated with low-cost methods are provided. The methodology is proven to be suitable to sense gases (humidity, NH3 and NO2) with low-powered heater-free devices.
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It is part of: Procedia Engineering, 2015, vol. 120, p. 787-790
Comunicació presentada a: Eurosensors 2015 Conference, XXIX edition. September 6 to 9, 2015. Freiburg, Germany. BS 07– Micro- / nanofabrication for MEMS II [BS07-2]
ISSN: 1877-7058
Appears in Collections:Comunicacions a congressos (Electrònica)
Publicacions de projectes de recerca finançats per la UE

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