Hydrogen gas sensing by metasurfaces composed of aluminum doped zinc oxide nanotubes
Optical Sensors and Sensing Congress (2020), paper SM3B.5(2020)
Abstract
We demonstrate optical hydrogen sensing using metasurfaces based on aluminum-doped zinc oxide (AZO) nanotubes. The sensing system shows 2-13 nm of resonance wavelength shift upon exposure to hydrogen gas of concentration 0.7-4.0 % within 10 minutes.
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Key words
Gas Sensing Mechanisms,pH Sensing,Humidity Sensors,Sol-Gel-Based Nanosensors,Gas Sensors
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