Extended Data Fig. 9: Characterization of reference devices without graphene.
From: Control of proton transport and hydrogenation in double-gated graphene
a, Examples of I-V characteristics of âopen holeâ device. The device consists of a 10 μm diameter hole etched in a silicon nitride substrate; HTFSI electrolyte on both sides; and two PdHx electrodes. Dashed lines, guide to the eye.
