A group of researchers from the Faculty of Scientific Research have published a scientific study.

As part of the ongoing academic and scientific activities of the researchers at the Scientific Research Center of Soran University, a remarkable research paper titled “Engineering internal bandgap states and heterojunction interfaces in Chitosan-CuO-ZnO nanocomposites for superior photocatalytic degradation of Direct Violet 51” has been published by Dr. Paiman Khalid Aspoka, Dr. Hussein Khojasta, and Hemen Jaafar, researchers at the Scientific Research Center in collaboration with Dr. Hamid Kazemi.

This research was published in the prestigious international journal Surfaces and Interfaces, published by Elsevier, which has an impact factor of 5.7.

The study demonstrates the successful development and enhancement of Chitosan-CuO-ZnO nanocomposites for efficient photocatalytic degradation of Direct Violet 51 (DV 51) under visible light irradiation. A modified sol-gel method was used to incorporate different weight ratios (2%, 4%, 6%, and 8%) of copper oxide (CuO) into the ZnO matrix.

The bandgap was effectively reduced from 3.2 eV for pure ZnO to 2.2 eV for the nanocomposite containing 4% CuO, resulting in excellent photocatalytic efficiency of 92.3% for degrading DV 51 within 80 minutes under visible light. Furthermore, the nanocomposite exhibited excellent reusability, with only 3.2% efficiency loss after six consecutive cycles.

This research emphasizes the potential of Chitosan-CuO-ZnO nanocomposites as effective and reusable photocatalysts for treating polluted wastewater containing dyes.

Link to the article:
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