Rahmayeni, Rahmayeni and Stiadi, Yeni (2017) Photocatalytic Performance of ZnO-ZnFe2O4 Magnetic Nanocomposites on Degradation of Congo Red Dye under Solar Light Irradiation. Journal of Materials and Environmental Sciences, 8 (5). pp. 1634-1643. ISSN 2028-2508
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Abstract
Nanocomposites of ZnO-ZnFe2O4 were synthesized in two steps using a sol-gel process and a hydrothermal. Photocatalytic performances of nanocomposites were investigated using Congo red as a model dye under solar light. Various techniques were used to investigate the structure, morphology, composition, interaction, magnetic and optical properties of the samples. XRD measurements were consistent with the wurtzite phase of ZnO and the spinel phase of ZnFe2O4. SEM images showed that the nanocomposites were constructed from lots of sphere-like nanoparticles. The magnetic properties of all ZnO-ZnFe2O4 nanocomposites showed paramagnetic behavior and their magnetization saturation increased with increasing amounts of ZnFe2O4. The photocatalytic activity of the nanocomposites was higher than of pure ZnO and the highest activity was obtained for the nanocomposite with a molar ratio of ZnO and ZnFe2O4 of 1 : 0.05 (degradation reached 97.1 % after 3 h).
| Item Type: | Article |
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| Subjects: | Q Science > QD Chemistry |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia |
| Depositing User: | Rahmayeni R |
| Date Deposited: | 27 Nov 2017 10:19 |
| Last Modified: | 27 Nov 2017 10:19 |
| URI: | http://repo.unand.ac.id/id/eprint/5199 |
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