Sub-second and ppm-level optical sensing of hydrogen using templated control of nano-hydride geometry and composition

Hoang Mai Luong (), Minh Thien Pham, Tyler Guin, Richa Pokharel Madhogaria, Manh-Huong Phan, George Keefe Larsen () and Tho Duc Nguyen ()
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Hoang Mai Luong: University of Georgia
Minh Thien Pham: University of Georgia
Tyler Guin: Savannah River National Laboratory
Richa Pokharel Madhogaria: University of South Florida
Manh-Huong Phan: University of South Florida
George Keefe Larsen: Savannah River National Laboratory
Tho Duc Nguyen: University of Georgia

Nature Communications, 2021, vol. 12, issue 1, 1-10

Abstract: Abstract The use of hydrogen as a clean and renewable alternative to fossil fuels requires a suite of flammability mitigating technologies, particularly robust sensors for hydrogen leak detection and concentration monitoring. To this end, we have developed a class of lightweight optical hydrogen sensors based on a metasurface of Pd nano-patchy particle arrays, which fulfills the increasing requirements of a safe hydrogen fuel sensing system with no risk of sparking. The structure of the optical sensor is readily nano-engineered to yield extraordinarily rapid response to hydrogen gas (

Date: 2021
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DOI: 10.1038/s41467-021-22697-w

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