Fig. 21: Decoration of noble metal catalysts for improved H2 sensitivity of 2D material based sensors. | Microsystems & Nanoengineering

Fig. 21: Decoration of noble metal catalysts for improved H2 sensitivity of 2D material based sensors.

From: A comprehensive review of hydrogen sensor for thermal runaway monitoring: fundamentals, recent advancements, and challenges

Fig. 21: Decoration of noble metal catalysts for improved H2 sensitivity of 2D material based sensors.

a SEM image of pristine MoS2 and MoS2 decorated with Pd, Pt, Au NPs; b Binding structure of H2 molecule on different noble metal NPs; c H2 binding energy and d the corresponding sensing values on various systems59. Copyright 2023, American Chemical Society. e SEM images of Pd (1:1)- MoS2, and Pd (2:1)-MoS2 at 200 nm scale; f Gas sensing response of MoS2 sensors with varying concentrations of Pd NPs: g Dynamic response curve for different H2 concentrations (25–100 ppm) of Pd (1:1)-MoS2384. Copyright 2025, Elsevier. h High-magnification TEM image and I light activated sensing mechanism of MoS2 decorated with Pd nanoclusters; Sensing response under dark and light conditions at j 25 °C and k 100 °C390. Copyright 2021, American Chemical Society

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