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An aqueous preoxidation method for monolithic perovskite electrocatalysts with enhanced water oxidation performance

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Science Advances  21 Oct 2016:
Vol. 2, no. 10, e1600495
DOI: 10.1126/sciadv.1600495

Supplementary Materials

  • Supplementary material for this article is available at http://advances.sciencemag.org/cgi/content/full/2/10/e1600495/DC1

    fig. S1. XPS survey spectrum of NF/oLCFO-Ar.

    fig. S2. EDS pattern of NF/oLCFO-Ar.

    fig. S3. TEM imaging and corresponding EDS mapping of NF/oLCFO-Ar.

    fig. S4. Morphology characterization of NF + oLCFO.

    fig. S5. Stoichiometry characterization of perovskite oLCFO for NF + oLCFO and NF/oLCFO-Air.

    fig. S6. OER performance of NF + oLCFO, NF/oLCFO-Air, and NF/rLCFO-Ar as control samples.

    fig. S7. Morphology characterization of NF/oLCFO-Air.

    fig. S8. Morphology characterization of NF/rLCFO-Ar.

    fig. S9. XRD patterns of NF/rLCFO-Ar, NF/oLCFOH, and NF/rLCFOH perovskite hydroxide precursor.

    fig. S10. Stoichiometry characterization of perovskite oxide nanoparticles of NF/rLCFO-Ar.

    fig. S11. High-resolution (A) La 3d XPS spectrum and (B) Fe 2p XPS spectrum of NF/oLCFO-Ar, oLCFO perovskite oxide nanoparticles for NF + oLCFO and NF/oLCFO-Air, and NF/rLCFO-Ar.

    table S1. Summary of OER performance for comparison of in situ–hybridized NF/oLCFO-Ar with transition metal oxides/hydroxides.

    table S2. Summary of the preparation methods of hybrid electrocatalysts.

  • Supplementary Materials

    This PDF file includes:

    • fig. S1. XPS survey spectrum of NF/oLCFO-Ar.
    • fig. S2. EDS pattern of NF/oLCFO-Ar.
    • fig. S3. TEM imaging and corresponding EDS mapping of NF/oLCFO-Ar.
    • fig. S4. Morphology characterization of NF + oLCFO.
    • fig. S5. Stoichiometry characterization of perovskite oLCFO for NF + oLCFO and NF/oLCFO-Air.
    • fig. S6. OER performance of NF + oLCFO, NF/oLCFO-Air, and NF/rLCFO-Ar as control samples.
    • fig. S7. Morphology characterization of NF/oLCFO-Air.
    • fig. S8. Morphology characterization of NF/rLCFO-Ar.
    • fig. S9. XRD patterns of NF/rLCFO-Ar, NF/oLCFOH, and NF/rLCFOH perovskite hydroxide precursor.
    • fig. S10. Stoichiometry characterization of perovskite oxide nanoparticles of NF/rLCFO-Ar.
    • fig. S11. High-resolution (A) La 3d XPS spectrum and (B) Fe 2p XPS spectrum of NF/oLCFO-Ar, oLCFO perovskite oxide nanoparticles for NF + oLCFO and NF/oLCFO-Air, and NF/rLCFO-Ar.
    • table S1. Summary of OER performance for comparison of in situ–hybridized NF/oLCFO-Ar with transition metal oxides/hydroxides.
    • table S2. Summary of the preparation methods of hybrid electrocatalysts.

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