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US 9,791,403 B2Granted
Nanoparticle-based gas sensors and methods of using the same
AssigneeThe Regents of the University of California
InventorsWilliam Mickelson, Alex Zettl
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Abstract
Gas sensors are provided. The gas sensors include a gas sensing element having metal oxide nanoparticles and a thin-film heating element. Systems that include the gas sensors, as well as methods of using the gas sensors, are also provided. Embodiments of the present disclosure find use in a variety of different applications, including detecting whether an analyte is present in a gaseous sample.
Claims22
A gas sensor comprising:
- a gas sensing element comprising metal oxide nanoparticles and a first elongated electrode and a second elongated electrode;
- and
- a substantially linear elongated thin-film heating element;
- wherein the first elongated electrode and the second elongated electrode are parallel to the elongated thin-film heating element.
1 more element
A gas sensor system comprising:
- one or more gas sensors, wherein each gas sensor comprises:
- a gas sensing element comprising metal oxide nanoparticles and a first elongated electrode and a second elongated electrode;
- and
- a substantially linear elongated thin-film heating element;
- wherein the first elongated electrode and the second elongated electrode are parallel to the elongated thin-film element.
2 more elements
A method of detecting whether an analyte is present in a gaseous sample, the method comprising:
- contacting a gaseous sample to a gas sensor to produce a signal, the gas sensor comprising:
- a gas sensing element comprising metal oxide nanoparticles and a first elongated electrode and a second elongated electrode;
- and
- a substantially linear elongated thin-film heating element;
- wherein the first elongated electrode and the second elongated electrode are parallel to the elongated thin-film element;
- and
- analyzing the signal to determine whether the analyte is present in the gaseous sample.
4 more elements
Dependencies are inferred from the claim text.