Essa, L.A. and Jamal, R.K. 2023. Polluted Water Sensor Based on Carbon Quantum Dots/Alq3 Using Drop Casting and Spin Coating Techniques. Iraqi Journal of Physics. 21, 4 (Dec. 2023), 103–112. DOI:https://doi.org/10.30723/ijp.v21i4.1185.