Water-Mediated Conversion of BaTiO₃ Nanoparticles into BaCO₃ Nanorods in Electrospun Polymer Fibers: Implications for Carbon Capture Applications.

ABSTRACT: Under ambient conditions and in aqueous environments, transformations of nanoparticle-based ferroelectric components can raise important stability issues that are relevant for applications as multilayer capacitors, flexible piezoelectrics, or biomedical devices. We show that X-ray amorphous BaTiO₃ nanoparticles that were grown by flame spray pyrolysis and which can be incorporated into electrospun polymer fibers undergo incongruent Ba²⁺ dissolution in the presence of water. At pH > 5 and in contact with air, corresponding Ba solutes spontaneously convert into crystalline BaCO₃ needles to produce characteristic nano- and microstructures. We compared the reactivity of amorphous BaTiO₃ nanoparticle powders with those of nanocrystals after annealing-

SUBMITTER: Razouq H 

PROVIDER: S-EPMC10644300 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature