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Autor:
Arwa Fraiwan, Adam Fisher, Sharmistha Chatterjee, Giuseppe Sirangi, Evgeniy Shkondin, Andrei V. Lavrinenko, Osamu Takayama, Umui A. Gurkan
Publikováno v:
Technical University of Denmark Orbit
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.