P2.9.24 Simple graphene based multisensor array for gas analysis

A. Varezhnikov, V. Sysoev, A. Sinitskii, M. Augustin, M. Bruns, M. Sommer & A. Kolmakov
We have developed the fabrication protocols and tested the performance of multisensor arrays based on single graphene sheet operating at room temperature. The first prototypes have been tested against ethanol, isopropanol and methanol vapors mixed with synthetic air to address the healthcare issue of detection of methanol traces in the food and beverages. The vector signal of the multisensor array has been processed by artificial neural network (ANN) trained under back-propagation Levenberg-Marquardt algorithm and showed...