Synthesis of Na–O Functionalized Silicon Quantum Dots from Waste Coconut Shells: Structural Characterization, Optical Properties, and Application for theAdsorption Remediation of Textile Wastewater. Commun. Phys. Sci. 2025;12(8):2212-2237. Accessed June 12, 2026. https://journalcps.com/index.php/volumes/article/view/757