Ultrasensitive micro/nanocrack-based graphene nanowall strain sensors derived from the substrate's Poisson's ratio effect
Hongyan Sun, Chen Ye, Gang Zhao, Huan Zhang, Zhiduo Liu, Wen Dai, Junjie Wang, Fakhr E. Alam, Qingwei Yan, Xinming Li, Jian Xu, I‐Ming Chen, Pei Zhao, Jichun Ye, Nan Jiang, Ding Chen, Sudong Wu, Jing Kong, Cheng‐Te Lin
Abstract
Thin film strain sensors composed of GNWs grown by MPCVD, showing ultrahigh sensitivity which can be applied for acoustic signature recognition, as well as electronic skin devices to detect both subtle and large motions of the human body.
Topics & Concepts
GrapheneSubstrate (aquarium)Strain (injury)Materials sciencePoisson's ratioSensitivity (control systems)Poisson distributionNanotechnologyOptoelectronicsSignature (topology)Electronic engineeringEngineeringMathematicsGeometryGeologyMedicineStatisticsInternal medicineOceanographyAdvanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsGas Sensing Nanomaterials and Sensors