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Updated: Jul 14, 2026
07:14
Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
Published on: August 23, 2018
Preparation and Characterization of Sn Micro- and Nanoparticles.
Alena Michalcová1, Šárka Msallamová1, Dominika Fink1
1Department of Metals and Corrosion Engineering, University of Chemistry and Technology in Prague, Technická 5, 166 28 Prague 6, Czech Republic.
Nanomaterials (Basel, Switzerland)
|July 13, 2026
Summary
Researchers developed a method to create tin micro- and nanoparticles by repeatedly changing tin
Area of Science:
- Materials Science
- Nanotechnology
- Solid-State Chemistry
Background:
- Controlling particle size and purity is crucial for tin applications.
- Phase transformations in tin offer potential for particle size reduction.
Purpose of the Study:
- To investigate tin micro- and nanoparticle preparation using phase transformation.
- To understand the mechanisms of particle formation and size reduction.
- To assess the chemical purity of the synthesized tin particles.
Main Methods:
- Microparticle generation via repeated β-Sn/α-Sn phase transformations.
- Analysis of particle size distribution using the Johnson-Mehl-Avrami-Kolmogorov equation.
- Nanoparticle synthesis through a solution-based route using ammonium hexachlorostannate.
Main Results:
- Phase transformation successfully induced particle fragmentation and size reduction.
- Saturation particle size correlated with the original tin sheet's grain size.
- Homogeneous and heterogeneous phase induction yielded comparable results.
- Oxygen content increased during phase transformation.
- Nanoparticles precipitated at 13.2 °C during the β-Sn to α-Sn transformation.
Conclusions:
- Phase transformation is a viable mechanism for controllable tin particle size reduction.
- The study offers a pathway for producing tin particles across micro- and nanoscale.
- Understanding phase transformation dynamics is key to controlling tin particle characteristics.
