Hematite Nanoparticles from Waste Iron Source
Author Information
Author(s): Juliya Khanam, Md Rashib Hasan, Bristy Biswas, Md Farid Ahmed, Sabrina Mostofa, Umme Sarmeen Akhtar, Md Kamal Hossain, Md Saiful Quddus, Samina Ahmed, Nahid Sharmin, Md Al-Reza Sharif
Primary Institution: Institute of Glass and Ceramic Research and Testing (IGCRT), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
Hypothesis
Can hematite nanoparticles be synthesized from waste condensed milk containers using low temperature calcination?
Conclusion
Hematite nanoparticles can be successfully synthesized from waste condensed milk containers at low temperatures, showing potential for various applications.
Supporting Evidence
- Hematite phase can be prepared at 200 °C, confirmed by structural analyses.
- Crystallite size decreases with increasing calcination temperature, ranging from 13.07 to 34.57 nm.
- XPS data confirms the oxidation state of iron in the nanoparticles.
- Optical properties indicate a decrease in band gap energy with increasing temperature.
Takeaway
Scientists found a way to make tiny iron particles from old milk containers, which can be used for many things like sensors and pigments.
Methodology
Hematite nanoparticles were synthesized from ferrous sulfate using an oxidation-calcination method, with waste condensed milk containers as the iron source.
Limitations
The study primarily focuses on low temperature calcination and may not address other synthesis methods or higher temperatures.
Digital Object Identifier (DOI)
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