Selvan, Saravana, Suen Wei, Umaya l, Gobbi. R, and Mukter Zaman. “An Enhanced Sensitivity RF Energy Harvester System Using Tunnel FET Based Rectifier”. International Journal of Engineering & Technology 7, no. 4 (September 5, 2018): 2971–2976. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/21523.