Personal profile
Personal profile
He holds a Bachelor’s degree in Chemistry (2010), a Master’s degree (2012), and a PhD (2016) in Chemistry with a focus on Inorganic Chemistry, all from the Federal University of Ceará (Brazil). As part of his doctoral studies, he spent 12 months at the University of Massachusetts – Amherst (USA), funded by CAPES through the Science Without Borders Program (2014–2015). He worked as a postdoctoral researcher at the University of Santiago de Chile (2017–2020). Currently, he is a Professor and Researcher at the Materials Engineering Research Center (CIIMAT) of the Universidad Central de Chile (UCEN), where he coordinates the Laboratory of Nanomaterials Chemistry. He is also an associate researcher at the Center for the Development of Nanoscience and Nanotechnology (CEDENNA). His research focuses on the synthesis and characterization of magnetic and/or optical nanomaterials, with emphasis on their applications as sensors.
Research Interests
His research focuses on the synthesis and characterization of magnetic and/or optical nanomaterials, with emphasis on their applications as sensors.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 6 Clean Water and Sanitation -
SDG 7 Affordable and Clean Energy -
SDG 9 Industry, Innovation, and Infrastructure
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Dive into the research topics where Rafael Melo Freire is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Projects
- 2 Active
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Sistema Integrado para la Cuantificación en Tiempo Real de Fungicidas Durante su Aplicación en Líneas de Proceso de Fruta en Postcosecha
Riquelme Toledo, D. (PI) & Melo Freire, R. (CoI)
12/09/25 → 11/09/27
Project: Research
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Inkjet-printed sensor device: An easy and cheap way to sense pesticides residues in food matrices
Melo Freire, R. (PI) & Palma Solorza, J. L. (CoI)
1/04/24 → 31/03/28
Project: Research
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Bioactive glasses - Iron oxide nanocomposites: Synthesis, characterization and in vitro biological performance
Batista, A., Valverde, T. M., Silva, C. C. M., de Almeida, K. J., Mesquita, A. M., Andrade, L. M., Costa, G. M. J., Freire, R. M., Denardin, J. C., Ferreira, J. M. F., Dos Santos, V. M. R. & Andrade, Â. L., Jan 2026, In: Ceramics International. 52, 2, p. 1831-1846 16 p.Research output: Contribution to journal › Article › peer-review
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Mapping the morphology and thermal stability of AgCo nanoalloys: Composition-driven phase segregation and functional implications
Freire, R. M., Rojas, S., Vermale, A., Khelladi, L., Valencia, F. J., Plaza-Alcafuz, N., Jara, M., Lisoni, J., Rojas-Nunez, J. & Baltazar, S. E., 5 Apr 2026, In: Journal of Alloys and Compounds. 1061, 187518.Research output: Contribution to journal › Article › peer-review
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Core-shell or Janus-like Fe0.5Ni0.5 nanostructures: A theoretical and experimental study
Rojas-Nunez, J., Freire, R. M., Elias, A. L., Fujisawa, K., Troncoso, L., Denardin, J. C., Plaza-Alcafuz, N. & Baltazar, S. E., 1 Jan 2025, In: Journal of Materials Research and Technology. 34, p. 2193-2200 8 p.Research output: Contribution to journal › Article › peer-review
Open Access2 Scopus citations -
Evaluation of the effect on antimicrobial properties, color, roughness and curing time of glass ionomer cement incorporated with silver and copper nanoparticles
Lima, L. A., Regis, W. F. M., Lima, F. R. L., Noronha, V. T., de Paula, A. J., Sousa, F. F., Silva, P. G. B., Freire, R. M. & Rodrigues, L. K. A., Dec 2025, In: Discover Materials. 5, 1, 24.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Multifunctional sensing of cobalt ions and methylcobalamin using doped Carbon Quantum Dots
Oliveira, C. M. P., Lima, F. E. H., Lopes, G. S., Matos, W. O., Antunes, R. A., Neto, M. L. A., Moura, T. A., Paschoal, A. R., Cesar, C. L., Carvalho, H. F., Freire, R. M., Santos-Oliveira, R., Fechine, P. B. A. & Carneiro, S. V., Oct 2025, In: Microchemical Journal. 217, 114930.Research output: Contribution to journal › Article › peer-review
2 Scopus citations