Hydrogen Detected by the Naked Eye: Optical Hydrogen Gas Sensors Based on Core/Shell Plasmonic Nanorod Metamaterials | Zendy

Nasir Mazhar E. | Zendy; Dickson Wayne | Zendy; Wurtz Gregory A. | Zendy; Wardley William P. | Zendy; Zayats Anatoly V. | Zendy

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Hydrogen Detected by the Naked Eye: Optical Hydrogen Gas Sensors Based on Core/Shell Plasmonic Nanorod Metamaterials

Author(s) -

Nasir Mazhar E.,

Dickson Wayne,

Wurtz Gregory A.,

Wardley William P.,

Zayats Anatoly V.

Publication year - 2014

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201305958

Subject(s) - nanorod , materials science , plasmon , metamaterial , hydrogen , naked eye , core (optical fiber) , nanotechnology , shell (structure) , optoelectronics , optics , composite material , physics , quantum mechanics , fluorescence

Gold‐core/palladium‐shell metamaterials for hydrogen detection are presented. The more than 30% change in both the reflection and transmission from the metamaterial layer that is observed when the layer is exposed to 2% hydrogen mixture is clearly noticeable to the naked eye as a change in the brightness of light transmitted by the metamaterial. This sensor should make a contribution to the safety of processes involving hydrogen.

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