# name
A low-cost approach to low-power gas sensors based on self-heating effects in large arrays of nanostructures

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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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Comunicació presentada a: Eurosensors 2015 Conference, XXIX edition. September 6 to 9, 2015. Freiburg, Germany. BS 07– Micro- / nanofabrication for MEMS II [BS07-2]

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Comunicacions a congressos (Enginyeria Electrònica i Biomèdica)

# metadata.dc.title[].value
A low-cost approach to low-power gas sensors based on self-heating effects in large arrays of nanostructures