Water-Mediated Conversion of BaTiO3 Nanoparticles into BaCO3 Nanorods

Summary

Ferroelectric nanoparticles are widely used in multilayer capacitors, flexible piezoelectrics and biomedical devices, and this study shows that water alone can compromise them. X-ray amorphous BaTiO₃ nanoparticles grown by flame spray pyrolysis - the same particles that can be incorporated into electrospun polymer fibres - undergo incongruent dissolution of Ba²⁺ in aqueous environments, converting into BaCO₃ nanorods above pH 5. Since ambient humidity and aqueous processing are routine, the finding has direct consequences for how such composites are made and stored.

Authors & Affiliations

• Hassan Razouq

  Department of Chemistry and Physics of Materials, Paris-Lodron University of Salzburg, Austria
• Klaus Neuhauser

  Department of Chemistry and Physics of Materials, Paris-Lodron University of Salzburg, Austria
• Gregor Zickler

  Department of Chemistry and Physics of Materials, Paris-Lodron University of Salzburg, Austria
• Thomas Berger

  Department of Chemistry and Physics of Materials, Paris-Lodron University of Salzburg, Austria
• Oliver Diwald Corresponding

  Department of Chemistry and Physics of Materials, Paris-Lodron University of Salzburg, Austria

Linari Electrospinning Systems

Topics

Materials