Low Cost, Eco-Friendly, Homemade, Graphite on Paper-based Wearable Temperature Sensor

A low cost, light-weighted, simple sensor for health monitoring is essential for improving the health quality of developing countries. Wearable electronics devices have become a great interest due to lightweight and wearable. A lightweight and wearable sensor can use anytime and anywhere. To monitor human health in any condition a sensor should be highly sensitive, reliable, skin conforming and sustainable. Here we present fabrication and characterization of a low cost, eco-friendly, highly sensitive, light-weighted, paper-based graphite temperature sensor. The temperature sensor is fabricated by a conductive paste that is prepared with ink gel pen and graphite from dry cell. Sticky notes paper is used as a substrate, due its light weight and flexible properties. In addition, we investigate the response of temperature sensors at room temperature and body temperature by prepared conductive paste. Resistance properties of temperature sensor fabricated by conductive paste are change as a function of temperature. These kinds of sensors could be easily fabricated and integrated into smart bandage.