Wulanawati, A., Yulizar, Y. and Mulijani, S. 2026. Green Synthesis and Formation of Silica Nanoparticles Based on Natural Spondias mombin Leaf Extract for Renewable Energy Materials. Helium: Journal of Science and Applied Chemistry. 6, 1 (Jun. 2026), 01–08. DOI:https://doi.org/10.33751/helium.v6i1.37.