Photoelectrocatalytic sensor for measuring oxidizable impurities in air
First Claim
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1. A sensor for measuring oxidizable impurities comprising:
- a light source configured to generate an ultraviolet light beam;
an electronic device having a conductive surface; and
a photocatalytic material coated onto the conductive surface of the electronic device for receiving the ultraviolet light beam.
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Abstract
A photoelectrocatalytic sensor system for measuring oxidizable impurities in air. The sensor system may include a transistor having an electrode and a channel for the flow of current, a photocatalytic material coated onto the electrode of the transistor, a light source for producing an ultraviolet light beam onto the photocatalytic material, and a sensor for measuring the flow of current.
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Citations
20 Claims
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1. A sensor for measuring oxidizable impurities comprising:
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a light source configured to generate an ultraviolet light beam;
an electronic device having a conductive surface; and
a photocatalytic material coated onto the conductive surface of the electronic device for receiving the ultraviolet light beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A sensor system for measuring oxidizable impurities in air comprising:
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a transistor having an electrode and a channel for the flow of current;
a photocatalytic material coated onto the electrode of the transistor;
a light source for producing an ultraviolet light beam onto the photocatalytic material; and
a sensor for measuring the flow of current. - View Dependent Claims (15, 16, 17)
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18. A sensor system for measuring oxidizable impurities in air comprising:
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a field effect transistor having an electrode, a first conductor and a second conductor;
a titanium dioxide material contacting the electrode of the field effect transistor;
an ultraviolet light emitting diode to produce ultraviolet light directed toward the titanium dioxide material;
a device to measure the amount of current traveling between the first conductor and the second conductor; and
a channel to direct the flow of air through the ultraviolet light. - View Dependent Claims (19, 20)
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Specification