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All Journal Journal International of Lingua and Technology Journal International Inspire Education Technology (JIIET) Lingeduca: Journal of Language and Education Studies Pengabdian Jurnal Abdimas International Journal of Educational Narratives Journal Emerging Technologies in Education Journal of Noesantara Islamic Studies Journal of Moeslim Research Technik Journal of Selvicoltura Asean Research Psychologie, Orientation et Conseil Journal of Tecnologia Quantica Journal of Loomingulisus ja Innovatsioon Research of Scientia Naturalis Journal of Biomedical and Techno Nanomaterials Journal of Social Entrepreneurship and Creative Technology Journal of Multidisciplinary Sustainability Asean
Rocha, Thiago
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Journal : Research of Scientia Naturalis

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Photocatalytic Degradation of Pharmaceutical Waste Using ZnO/CuO Thin Films Under Visible Light Vann, Dara; Dara, Ravi; Rocha, Thiago; Shofiah, Siti
Research of Scientia Naturalis Vol. 2 No. 3 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v2i3.2384

Abstract

The increasing presence of persistent pharmaceutical contaminants in water bodies poses a significant threat to environmental and human health, necessitating effective remediation technologies. This study aimed to develop and evaluate zinc oxide/copper oxide (ZnO/CuO) composite thin films as an efficient photocatalyst for degrading pharmaceutical waste under visible light. The ZnO/CuO thin films were synthesized via a sol-gel spin-coating method, and their photocatalytic activity was assessed using diclofenac as a model pollutant. The results demonstrated that the ZnO/CuO heterostructure exhibited enhanced visible light absorption and superior photocatalytic performance compared to pure ZnO. The composite films achieved over 90% degradation of diclofenac within 120 minutes, with the process following pseudo-first-order kinetics. The enhanced efficiency is attributed to effective charge separation at the ZnO/CuO interface. This research confirms that ZnO/CuO thin films are promising, reusable photocatalysts for the sustainable treatment of pharmaceutical-contaminated water.
Co-Authors Afbasri, Afbasri Afriandi, Budi Aisyah Aisyah Alves, Livia Amrina, Amrina andi hermawan Anjasmara, Hendio Azizah, Wafiq Bambang Winardi Bumi, Hengki Ras Chai, Napat Costa, Bruna Dara, Ravi Eliyadi, Eliyadi Eny Fahrati GESTY ERNESTIVITA Gomez, Raul Judijanto, Loso Khoiriyah Khoiriyah Lima, Lucas Lima, Rafaela Mendes, Clara Miftahuddin Miftahuddin Santos, Luis Silva, Pedro Siti Shofiah Syamsiar, Syamsiar Tan, Marcus Vann, Dara Wardhani, Wahju Dyah Laksmi