Himani Bali, Abhilasha Choudhary, Amandeep Gill ,. “Efficiency Enhancement of OLED by Variation of Thickness of the Electron Transport Layer”. Design Engineering (July 19, 2021): 3816- 3822. Accessed April 27, 2024. http://thedesignengineering.com/index.php/DE/article/view/2810.