Characterization of Advanced Nanomaterials for Sustainable Energy Applications Aman Mittal, Rajesh Deorari, Sakshi Pandey, Ravi Kumar, Srinivas V and Binitendra Naath Mongal E3S Web of Conf., 537 (2024) 07012 Published online: 13 June 2024 DOI: 10.1051/e3sconf/202453707012