Issue 95, 2023

A facile mixed complex synthesis method for perovskite oxides toward electrocatalytic oxygen reduction

Abstract

The perovskite-type La(0.5+x)Sr(0.5−x)FeO3−δ (x = 0.00, 0.10, 0.20) oxides for the electrocatalytic oxygen reduction reaction (ORR) were synthesized by a facile reaction-EDTA/citric acid mixed complex sol–gel method. The cubic single-phase perovskite structure of the as-prepared oxides is demonstrated using powder X-ray diffraction (XRD). Scanning electron microscopy/energy-dispersive X-ray spectroscopy (SEM–EDX), transmission electron microscopy/selected area electron diffraction (TEM–SAED), and X-ray photoelectron spectroscopy (XPS) characterizations were also conducted for the perovskite-type La(0.5+x)Sr(0.5−x)FeO3−δ (x = 0.00, 0.10, 0.20) oxides. Furthermore, the electrochemical ORR properties of the as-prepared oxides in alkaline media were studied, with the oxides exhibiting good electrocatalytic ORR performance.

Graphical abstract: A facile mixed complex synthesis method for perovskite oxides toward electrocatalytic oxygen reduction

Supplementary files

Article information

Article type
Communication
Submitted
16 Sep 2023
Accepted
25 Oct 2023
First published
13 Nov 2023

Chem. Commun., 2023,59, 14149-14152

A facile mixed complex synthesis method for perovskite oxides toward electrocatalytic oxygen reduction

H. Lu, D. Wu, Y. Gu, W. Sun, X. Yang, W. Li, H. Shuai and X. Zhao, Chem. Commun., 2023, 59, 14149 DOI: 10.1039/D3CC04585D

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