[1] S Chung H, A Kremer R, S H Chen C et al. Energy Fuels, 13, 641(1999).
[6] Wei Wang, Jiangang Chen, Liping Song et al. Energy Fuels, 27, 6339(2013).
[7] P Tamizhdurai, A Ramesh, P Santhana Krishnan et al. Microporous and Mesoporous Materials, 290, 109678(2019).
[8] Nizamuddin Khan, Tandra Nandi, C Abhyankar A et al. Journal of Nanoscience and Nanotechnology, 19, 7982(2019).