Hydrogen gas sensing by metasurfaces composed of aluminum doped zinc oxide nanotubes

Sharmistha Chatterjee,Evgeniy Shkondin,Osamu Takayama,Adam Fisher,Arwa Fraiwan,Umui A. Gurkan,Andrei V. Lavrinenko,Giuseppe Sirangi

Hydrogen gas sensing by metasurfaces composed of aluminum doped zinc oxide nanotubes

2020

Sharmistha Chatterjee
Evgeniy Shkondin
Osamu Takayama
Adam Fisher
Arwa Fraiwan
Umui A. Gurkan
Andrei V. Lavrinenko
Giuseppe Sirangi

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.

Keywords:

sensing system
Materials science
Hydrogen
Atomic layer deposition
Resonance
Scanning electron microscope
Zinc
aluminum doped zinc oxide
resonance wavelength
Optoelectronics

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