Fig. 1From: Dedicated preparation for in situ transmission electron microscope tensile testing of exfoliated grapheneTransfer process of exfoliated graphene. a Optical image of the PTP device. The scale bar is 100 μm. b and c Optical microscope and SEM images of the exfoliated graphene on the PTP device after annealing and deposition of Pt grips, respectively. The scale bar is 5 μm. d Schematic showing the transfer exfoliated graphene to the PTP deviceBack to article page