Bio-inspired Nanomaterial’s for Energy Harvesting and Storage: A Green Approach B. Rajalakshmi, Navdeep Singh, Arelli Madhavi, Irfan Khan, Ali Abdulhussein Hameed, Shivani Singh and A. Venkata Laxman Rao E3S Web Conf., 552 (2024) 01122 Published online: 23 July 2024 DOI: 10.1051/e3sconf/202455201122