1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Bengkulu University, Bengkulu, Indonesia
2Research Center for Chemical, Research Organization for Nanotechnology and Materials, National Research and Innovation Agency (BRIN), Puspiptek, Serpong-South Tangerang, Indonesia
BibTex Citation Data :
@article{JKSA69160, author = {Rika Agustin and Vivi Sisca and Asdim Asdim and Eka Angasa}, title = {Synthesis of CuO/Zn₂SnO₄ Nanocomposites via Hydrothermal Method and Their Photocatalytic Performance for Ciprofloxacin Degradation}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {28}, number = {2}, year = {2025}, keywords = {Ciprofloxacin; CuO; CuO/Zn2SnO4 Nanocomposite; Zn2SnO4}, abstract = { CuO/Zn 2 SnO 4 nanocomposites were successfully synthesized via a hydrothermal method at 180°C for 5 hours. The CuO/Zn 2 SnO 4 nanocomposites were developed to evaluate their potential as photocatalysts for the degradation of ciprofloxacin, a pharmaceutical pollutant commonly found in water sources. The materials were characterized using XRD, SEM, TEM, and UV-Vis DRS analyses. XRD results confirmed that the CuO/Zn 2 SnO 4 nanocomposites, prepared with various CuO concentrations (20, 40, 60, and 80% w/w), exhibited good crystallinity and high purity. SEM analysis revealed that the morphology of the composites consisted of square-shaped nanosheets resembling CuO and irregular, round particles with non-uniform sizes resembling Zn 2 SnO 4 . TEM analysis further confirmed that the CuO/Zn 2 SnO 4 nanocomposite with 40% CuO exhibited irregular square and round nanosheets with an average size of 69.53 nm. UV-Vis DRS analysis showed that the band gap of pure Zn 2 SnO 4 (3.22 eV) decreased after the incorporation of CuO, with values of 1.67 eV (20%), 1.46 eV (40%), 1.50 eV (60%), and 1.50 eV (80%). The photocatalytic activity of the nanocomposites was evaluated based on the degradation of ciprofloxacin under sunlight irradiation. The degradation percentages of pure Zn 2 SnO 4 , pure CuO, and CuO/Zn 2 SnO 4 with 20% CuO were 78.3%, 8.9%, and 47.1%, respectively. This study demonstrates that the CuO/Zn 2 SnO 4 nanocomposite has fewer active surface sites than pure Zn 2 SnO 4 , which significantly influences its photocatalytic performance. }, issn = {2597-9914}, pages = {98--105} doi = {10.14710/jksa.28.2.98-105}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/69160} }
Refworks Citation Data :
CuO/Zn2SnO4 nanocomposites were successfully synthesized via a hydrothermal method at 180°C for 5 hours. The CuO/Zn2SnO4 nanocomposites were developed to evaluate their potential as photocatalysts for the degradation of ciprofloxacin, a pharmaceutical pollutant commonly found in water sources. The materials were characterized using XRD, SEM, TEM, and UV-Vis DRS analyses. XRD results confirmed that the CuO/Zn2SnO4 nanocomposites, prepared with various CuO concentrations (20, 40, 60, and 80% w/w), exhibited good crystallinity and high purity. SEM analysis revealed that the morphology of the composites consisted of square-shaped nanosheets resembling CuO and irregular, round particles with non-uniform sizes resembling Zn2SnO4. TEM analysis further confirmed that the CuO/Zn2SnO4 nanocomposite with 40% CuO exhibited irregular square and round nanosheets with an average size of 69.53 nm. UV-Vis DRS analysis showed that the band gap of pure Zn2SnO4 (3.22 eV) decreased after the incorporation of CuO, with values of 1.67 eV (20%), 1.46 eV (40%), 1.50 eV (60%), and 1.50 eV (80%). The photocatalytic activity of the nanocomposites was evaluated based on the degradation of ciprofloxacin under sunlight irradiation. The degradation percentages of pure Zn2SnO4, pure CuO, and CuO/Zn2SnO4 with 20% CuO were 78.3%, 8.9%, and 47.1%, respectively. This study demonstrates that the CuO/Zn2SnO4 nanocomposite has fewer active surface sites than pure Zn2SnO4, which significantly influences its photocatalytic performance.
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