37 Daftar Pustaka Abdullah, S. A., Sahdan, M. Z., Nafarizal, N., Sain, H., Bakri, A. S., Cik Rohaida, C. H., Adriyanto, F., & Sari, Y. (2018). Photoluminescence study of trap-state defect on TiO 2 thin films at different substrate temperature via RF magnetron sputtering. Journal of Physics: Conference Series, 995(012067), 1–8. Adhikari, B. R., & Khanal, R. (2013). Introduction to the Plasma State. The Himalayan Physics, 4(1), 60–64. Andronic, L., & Enesca, A. (2020). Black TiO 2 synthesis by chemical reduction methods for photocatalysis applications. Frontiers in Chemistry, 8. Benavides-Guerrero, J. A., Gerlein, L. F., Trudeau, C., Banerjee, D., Guo, X., & Cloutier, S. G. (2022). Synthesis of vacancy-rich titania particles suitable for the additive manufacturing of ceramics. Scientific Reports, 12(1), 1–11. Benu, D. P., Andriani, A., Silmi, N., & Steky, V. (2022). Macroemulsion-mediated synthesis of fibrous ZnO microrods and their surface morphology contribution to the high photocatalytic degradation rate. New Journal of Chemistry, 47, 428–442. Cardoso, B.