Evaluation of Ni-Doped Tricobalt Tetroxide with Reduced Graphene Oxide: Structural, Photocatalysis, and Antibacterial Response
Abstract
:1. Introduction
2. Results
2.1. Characterization of the Samples
2.2. Antibacterial Activity
2.3. Photocatalytic Activity
3. Materials and Methods
3.1. Synthesis
3.1.1. Bactericidal Test: Agar Diffusion
3.1.2. Photocatalytic Tests
3.2. Characterizations
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Samples | Eg (eV) | Conduction Band (CB) (eV) | Valence Band (VB) (eV) |
---|---|---|---|
2Co3O4-4%Ni HT | 2.24 | 0.28 | 2.52 |
1Co3O4-4%Ni HT | 2.80 | 0.00 | 2.80 |
Co3O4-4%Ni SG | 2.15 | 0.33 | 2.48 |
Co3O4-4%Ni+rGO SG | 2.00 | 0.40 | 2.40 |
Material | S. aureus/mm | E. coli/mm |
---|---|---|
Co3O4-4%Ni SG | - | - |
1-Co3O4-4%Ni HT | - | - |
2-Co3O4-4%Ni HT | - | - |
Co3O4-4%Ni+rGO HT | - | - |
Co3O4-4%Ni+rGO SG | 0.72 ± 0.02 | 0.47± |
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Malafatti, J.O.D.; Moreira, A.J.; Paris, E.C.; Cardenas Flechas, L.J.; Pereira, O.A.P.; Rincón Joya, M. Evaluation of Ni-Doped Tricobalt Tetroxide with Reduced Graphene Oxide: Structural, Photocatalysis, and Antibacterial Response. Catalysts 2022, 12, 1199. https://doi.org/10.3390/catal12101199
Malafatti JOD, Moreira AJ, Paris EC, Cardenas Flechas LJ, Pereira OAP, Rincón Joya M. Evaluation of Ni-Doped Tricobalt Tetroxide with Reduced Graphene Oxide: Structural, Photocatalysis, and Antibacterial Response. Catalysts. 2022; 12(10):1199. https://doi.org/10.3390/catal12101199
Chicago/Turabian StyleMalafatti, João Otávio Donizette, Ailton José Moreira, Elaine Cristina Paris, Leydi Julieta Cardenas Flechas, Otávio Augusto Poli Pereira, and Miryam Rincón Joya. 2022. "Evaluation of Ni-Doped Tricobalt Tetroxide with Reduced Graphene Oxide: Structural, Photocatalysis, and Antibacterial Response" Catalysts 12, no. 10: 1199. https://doi.org/10.3390/catal12101199