Low frequency ultrasound assisted synthesis of La0. 6Sr0. 4Co0. 2Fe0. 8O3− δ (LSCF) perovskite nanostructures

A Akbari-Fakhrabadi, P Sathishkumar, K Ramam… - Powder Technology, 2015 - Elsevier
Powder Technology, 2015Elsevier
Abstract La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3− δ (LSCF) perovskite nanostructures were
synthesised using a 42 kHz ultrasound assisted synthesis technique for the fabrication of
electrodes in the intermediate and/or low temperature solid oxide fuel and electrolysis cells
(SOFCs/SOECs). The obtained nanomaterials were dried at 110° C followed by calcination
in a normal atmosphere at various temperatures from 400 to 1000° C for 2 h. Powder
characteristics such as crystal structure, thermal decomposition, particle size and …
Abstract
La0.6Sr0.4Co0.2Fe0.8O3 − δ (LSCF) perovskite nanostructures were synthesised using a 42 kHz ultrasound assisted synthesis technique for the fabrication of electrodes in the intermediate and/or low temperature solid oxide fuel and electrolysis cells (SOFCs/SOECs). The obtained nanomaterials were dried at 110 °C followed by calcination in a normal atmosphere at various temperatures from 400 to 1000 °C for 2 h. Powder characteristics such as crystal structure, thermal decomposition, particle size and morphology were analysed. The transmission electron microscopy (TEM) study revealed the uniform equi-axial shape and growth of the obtained nanostructures with respect to the calcination temperature till 800 °C. The structural and chemical analyses confirmed the existence of LSCF and CoFe2O4 phases.
Elsevier
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