Fabrication of Graphene-Based Tin Oxide (Sno2) Composite With Improved Visible Light For The Photocatalytic Degradation of Methylene Blue. IJEMD-BMCR [Internet]. 2025 Aug. 22 [cited 2026 Oct. 16];3(2):14. Available from: https://ojs.ijemd.com/index.php/BiomedicalCR/article/view/438