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US 11,029,271 B2Granted
Ammonia gas detecting sensor using graphene doped with copper oxide nanopaticles and ammonia gas detecting device comprising the same
AssigneeKorea Institute of Science and Technology
InventorsKang Bong Lee, Yun Sik Nam, Yeon Hee Lee, Oleksandr Tsymbalenko
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Abstract
The present disclosure relates to an ammonia gas detection sensor including a substrate, a graphene sheet disposed on the substrate, and metal nanoparticles disposed on the graphene sheet, and an ammonia gas detection device comprising the gas detection sensor.
Claims6
An ammonia gas detection sensor, comprising:
- a substrate;
- a graphene sheet disposed on the substrate;
- and
- metal nanoparticles disposed on the graphene sheet;
- wherein the graphene sheet is a monolayer;
- and
- wherein the metal nanoparticles include copper oxide (I) (CuO) nanoparticles having a size of 10 nm to 20 nm;
- wherein the CuO nanoparticles are formed by doping a mixed solution including CuO nanoparticles onto the graphene sheet;
- and
- wherein the mixed solution includes 1 wt % to 2 wt % of the CuO nanoparticles based on the total weight.
7 more elements
Dependencies are inferred from the claim text.