Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell Nanoparticles for Dye Degradation
The reusability of CoFe2 O 4 @ZnO core–shell nanoparticles (NPs) for the photocatalytic degradation of methylene blue (MB) under UV radiation was successfully investigated. CoFe 2 O 4 @ZnO NPs with various CoFe2 O 4–to–ZnO concentration ratios were synthesized as magnetic photocatalysts. The X-ray...
| Principais autores: | , , , , , |
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| Formato: | Other |
| Idioma: | English |
| Publicado em: |
ECS Journal of Solid State Science and Technology
2022
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| Assuntos: | |
| Acesso em linha: | https://repository.ugm.ac.id/284278/1/Reusability_of_Photocatalytic_CoFe2O4ZnO_Core-Shel.pdf |
| _version_ | 1826050775167533056 |
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| author | Suharyadi, Edi Muzakki, Afifah Istiqomah, Nurul Imani Puspitarum, Deska Lismawenning Purnama, Budi Djuhana, Dede |
| author_facet | Suharyadi, Edi Muzakki, Afifah Istiqomah, Nurul Imani Puspitarum, Deska Lismawenning Purnama, Budi Djuhana, Dede |
| author_sort | Suharyadi, Edi |
| collection | UGM |
| description | The reusability of CoFe2 O 4 @ZnO core–shell nanoparticles (NPs) for the photocatalytic degradation of methylene blue (MB) under
UV radiation was successfully investigated. CoFe 2 O 4 @ZnO NPs with various CoFe2 O 4–to–ZnO concentration ratios were
synthesized as magnetic photocatalysts. The X-ray diffraction spectra showed that the NPs had a cubic spinel ferrite phase structure
and a hexagonal wurtzite phase of ZnO. Fourier-transform infrared spectra showed the presence of Moct -O, Mtet -O, and Zn–O at
593, 347–389, and 410–429 cm−1 , respectively. The CoFe 2 O 4 @ZnO NPs had a saturation magnetization of approximately
30 emu g−1 and a coercivity of approximately 280 Oe. The absorbance spectra showed that the absorbance peak of
the CoFe 2 O 4 @ZnO NPs broadened and shifted to the right (higher wavelength) with increasing ZnO concentration.
The CoFe 2 O 4 @ZnO NPs with higher ZnO concentrations exhibited higher photocatalytic activities and degradation rates. The
enhancement of MB degradation can be attributed to the formation of an internal structure between CoFe 2 O 4 and ZnO. The
degradation rate of CoFe2 O 4 @ZnO decreased slightly after each successive recycle. The results indicated that the recycled
CoFe2 O 4 @ZnO NPs could be reused three times for photocatalytic degradation. As there is no significant decrease in the
photocatalytic degradation after four successive recycles, the CoFe 2O 4 @ZnO NPs are suitable for application in dye degradation.
© 2022 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited. This is an open access
article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/
by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited |
| first_indexed | 2024-03-14T00:09:53Z |
| format | Other |
| id | oai:generic.eprints.org:284278 |
| institution | Universiti Gadjah Mada |
| language | English |
| last_indexed | 2024-03-14T00:09:53Z |
| publishDate | 2022 |
| publisher | ECS Journal of Solid State Science and Technology |
| record_format | dspace |
| spelling | oai:generic.eprints.org:2842782023-12-06T02:02:30Z https://repository.ugm.ac.id/284278/ Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell Nanoparticles for Dye Degradation Suharyadi, Edi Muzakki, Afifah Istiqomah, Nurul Imani Puspitarum, Deska Lismawenning Purnama, Budi Djuhana, Dede Condensed Matter Physics The reusability of CoFe2 O 4 @ZnO core–shell nanoparticles (NPs) for the photocatalytic degradation of methylene blue (MB) under UV radiation was successfully investigated. CoFe 2 O 4 @ZnO NPs with various CoFe2 O 4–to–ZnO concentration ratios were synthesized as magnetic photocatalysts. The X-ray diffraction spectra showed that the NPs had a cubic spinel ferrite phase structure and a hexagonal wurtzite phase of ZnO. Fourier-transform infrared spectra showed the presence of Moct -O, Mtet -O, and Zn–O at 593, 347–389, and 410–429 cm−1 , respectively. The CoFe 2 O 4 @ZnO NPs had a saturation magnetization of approximately 30 emu g−1 and a coercivity of approximately 280 Oe. The absorbance spectra showed that the absorbance peak of the CoFe 2 O 4 @ZnO NPs broadened and shifted to the right (higher wavelength) with increasing ZnO concentration. The CoFe 2 O 4 @ZnO NPs with higher ZnO concentrations exhibited higher photocatalytic activities and degradation rates. The enhancement of MB degradation can be attributed to the formation of an internal structure between CoFe 2 O 4 and ZnO. The degradation rate of CoFe2 O 4 @ZnO decreased slightly after each successive recycle. The results indicated that the recycled CoFe2 O 4 @ZnO NPs could be reused three times for photocatalytic degradation. As there is no significant decrease in the photocatalytic degradation after four successive recycles, the CoFe 2O 4 @ZnO NPs are suitable for application in dye degradation. © 2022 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/ by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited ECS Journal of Solid State Science and Technology 2022 Other NonPeerReviewed application/pdf en https://repository.ugm.ac.id/284278/1/Reusability_of_Photocatalytic_CoFe2O4ZnO_Core-Shel.pdf Suharyadi, Edi and Muzakki, Afifah and Istiqomah, Nurul Imani and Puspitarum, Deska Lismawenning and Purnama, Budi and Djuhana, Dede (2022) Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell Nanoparticles for Dye Degradation. ECS Journal of Solid State Science and Technology. https://www.researchgate.net/publication/357931597_Reusability_of_Photocatalytic_CoFe2O4ZnO_Core-Shell_Nanoparticles_for_Dye_Degradation#full-text 10.1149/2162-8777/ac4c7c |
| spellingShingle | Condensed Matter Physics Suharyadi, Edi Muzakki, Afifah Istiqomah, Nurul Imani Puspitarum, Deska Lismawenning Purnama, Budi Djuhana, Dede Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell Nanoparticles for Dye Degradation |
| title | Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell
Nanoparticles for Dye Degradation |
| title_full | Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell
Nanoparticles for Dye Degradation |
| title_fullStr | Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell
Nanoparticles for Dye Degradation |
| title_full_unstemmed | Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell
Nanoparticles for Dye Degradation |
| title_short | Reusability of Photocatalytic CoFe2 O4@ZnO Core–Shell
Nanoparticles for Dye Degradation |
| title_sort | reusability of photocatalytic cofe2 o4 zno core shell nanoparticles for dye degradation |
| topic | Condensed Matter Physics |
| url | https://repository.ugm.ac.id/284278/1/Reusability_of_Photocatalytic_CoFe2O4ZnO_Core-Shel.pdf |
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