Synthesis, Characterization, and Photoluminescence Properties of 2-Amino 6-Nitrobenzothiazole-Melamine-Formaldehyde Copolymer-Charcoal Composite. IJEMS [Internet]. 2023 Dec. 1 [cited 2026 May 13];30(6):838. Available from: https://or.niscpr.res.in/index.php/IJEMS/article/view/4529