Highly sensitive flexible humidity sensors with fast response and recovery times based on the composite of graphene oxide and WS<sub>2</sub> for detection of human breath and fingertip proximity
Gaohan Wang, Qiang Gao, Ningfeng Ke, Fangcheng Si, Jiayu Wang, Jie Ding, Wendong Zhang, Xuge Fan
Abstract
Flexible humidity sensors based on a GO/WS 2 composite were realized with a high sensitivity of 1.68%/%RH and fast response/recovery times (11.3 s/12.4 s), which were successfully applied for human breath detection and fingertip proximity detection.
Topics & Concepts
GrapheneMaterials scienceOxideComposite numberHumidityResponse timeNanotechnologyGraphene oxide paperComposite materialOptoelectronicsChemical engineeringComputer scienceMetallurgyMeteorologyComputer graphics (images)PhysicsEngineeringGas Sensing Nanomaterials and SensorsAdvanced Sensor and Energy Harvesting MaterialsAdvanced Chemical Sensor Technologies