Continuous Hydrothermal Flow Synthesis of Co1–xNixFe2O4 (x = 0–0.8) Nanoparticles and Their Catalytic Properties for CO Oxidation and Oxygen Evolution Reaction

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Well-crystallized CoFe2O4 and Ni-substituted Co1?xNixFe2O4 nanoparticles (x = 0.1, 0.3, 0.4, 0.5, 0.6, 0.8) were synthesized by continuous hydrothermal flow synthesis (CHFS). Catalytic properties of the synthesized nanoparticles in the catalytic oxidation of CO and electrochemical oxygen evolution reaction (OER) were studied. A conversion of 50?% in CO was reached at 223 °C and 100?% at 310 °C when CoFe2O4 prepared by CHFS was used as catalyst. The effect of Ni content on the OER activity of the as-synthesized Co1?xNixFe2O4 did not show a clear trend, however a remarkable improvement of the activity was observed for 30 at?% substitution (x = 0.3) in Co0.7Ni0.3Fe2O4.
Original languageEnglish
JournalZeitschrift fuer Anorganische und Allgemeine Chemie
Volume644
Issue number24
Pages (from-to)1727-1733
ISSN0044-2313
DOIs
Publication statusPublished - 2018
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