New Method to Recover Nano-Structured Ceria from Complexes
Author Information
Author(s): Veranitisagul Chatchai, Kaewvilai Attaphon, Sangngern Sarawut, Wattanathana Worawat, Suramitr Songwut, Koonsaeng Nattamon, Laobuthee Apirat
Primary Institution: Rajamangala University of Technology Thanyaburi
Hypothesis
Can benzoxazine dimers be used as ligands to form complexes with cerium(III) ions for the recovery of ceria?
Conclusion
The study successfully demonstrated that ceria nanoparticles can be prepared from Ce(III)-benzoxazine dimer complexes through thermal decomposition.
Supporting Evidence
- The metal-ligand ratio of benzoxazine dimers and Ce(III) ion was determined to be 6:1.
- Ceria nanoparticles were successfully prepared by calcining the complexes at 600 °C for 2 hours.
- The average diameter of the ceria particles was found to be 20 nm.
Takeaway
The researchers found a way to make tiny ceria particles using special chemicals called benzoxazine dimers, which help in forming a complex with cerium ions.
Methodology
The study involved mixing cerium nitrate with benzoxazine dimers, analyzing the complex formation using NMR, and preparing ceria through thermal decomposition at 600 °C.
Digital Object Identifier (DOI)
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