Fig. 13: Paper-based resistive stress sensors.
From: Paper-based flexible electronic devices: processing, integration, and applications
a Fabrication flow chart of graphene–paper-based pressure sensor. b Sensitivity and response range137. c Schematic illustration, photos for the fabrication of the touch–temperature sensor. d Based on kirigami art and landscape ink painting for touch sensors234. e SEM micrographs of graphite coated cellulose paper frameworks. f Response of sensor upon provision of bending strain up to 3.23% for inward. g Graph showing the response and recovery time of the demonstrated sensor138. h Schematic illustration of fabricating an all-paper pressure sensor by integrating a blade-coated top sensing electrode and a screen-printed bottom copper electrode. i Sensitivity and sensing range of all-paper pressure sensor compared to other paper-based and textile-based sensors reported in literatures139. j ECR variation mechanism for tactile sensing. k Sensitivity data of scaled down devices140. l Schematic diagram of the fabrication process of graphite-based e-skin developed by PGF approach. m Sensitivity of five different e-skins141.
