Investigation of a sensitive, selective and cost-effective electrochemical meso-porous silicon based gas sensor for NO2 detection at room temperatureKhaoula Azaiez, Hela Mhamdi, Rabia Benabderrahmane Zaghouani, Tomas Fiorido, Jean-Louis Lazzari, Marc Bendahan and Wissem DimassiEur. Phys. J. Appl. Phys., 99 (2024) 19DOI: https://doi.org/10.1051/epjap/2024240081