Tailored PEDOT:PSS hole transport layer for higher performance in perovskite solar cells: Enhancement of electrical and optical properties with improved morphology

Khan Mamun Reza, Ashim Gurung, Behzad Bahrami, Sally Mabrouk, Hytham Elbohy, Rajesh Pathak, Ke Chen, Ashraful Haider Chowdhury, Md Tawabur Rahman, Steven Letourneau, Hao Cheng Yang, Gopalan Saianand, Jeffrey W. Elam, Seth B. Darling, Qiquan Qiao