Beilstein Arch. 2026, 20265. https://doi.org/10.3762/bxiv.2026.5.v1
Published 28 Jan 2026
Cu–Rh bimetallic single-phase spinel oxide nanofibers were synthesized via electrospinning followed by post-annealing under precisely controlled oxidative environments. By systematically tuning the O2 concentration in He carrier flow during the annealing process, the optimal atmosphere was identified to produce phase-pure CuRh2O4. The as-prepared CuRh2O4 nanofibers exhibited excellent electrocatalytic performance toward the oxygen evolution reaction in 1.0 M NaOH (aq), highlighting the importance of atmosphere-controlled thermal treatment for engineering high-activity spinel oxide electrocatalysts.
Keywords: annealing; electrospinning; spinel oxide; oxygen evolution reaction; electrocatalyst
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Kim, N.; Kim, M. H.; Jin, D. Beilstein Arch. 2026, 20265. doi:10.3762/bxiv.2026.5.v1
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