Sustainable Synthesis of Perovskite Solar Cells Using Green Materials Lavish Kansal, Abhishek Joshi, Rahul Mishra, Abhiraj Malhotra, J. Lakshmi Prasanna and Priyanka Sharma E3S Web of Conf., 537 (2024) 07016 Published online: 13 June 2024 DOI: 10.1051/e3sconf/202453707016