Fig. 1. (a) Structural diagram of catalyst combustion hydrogen sensor containing low power microheater. (b) Microscopic image of catalyst combustion hydrogen sensor and Pt nanostructure. (c) Response of hydrogen sensor depending on hydrogen concentration. Adapted with permission from [12], Copyright 2021, American Chemical Society. (d) Structure of nanoparticle combined with functional ligand (DATER). (e) Change in sensor output value according to ligand-stabilized catalyst. (f) Response of hydrogen sensor to toxic gases at an identical concentration (H₂, C₂H₆, and CH₄). Adapted with permission from [21], Copyright 2019, IEEE.

Applied Science and Convergence Technology 2022;31:79~84 https://doi.org/10.5757/ASCT.2022.31.4.79

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