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Fig. 6 | Nanoscale Research Letters

Fig. 6

From: Highly Enhanced H2 Sensing Performance of Few-Layer MoS2/SiO2/Si Heterojunctions by Surface Decoration of Pd Nanoparticles

Fig. 6

a Dynamic responses of the Pd-decorated MoS2/Si heterojunction upon consequent H2 at varying concentrations from 0.5 to 5% at − 1.0 V. The inset shows the enlarged image of the sensing characteristics of the heterojunction under H2 of 0.5%. b Dependence of t res and t rec on H2 concentration. c Dependence of the sensing response of the heterojunction on H2 concentration

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