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Hydrogen peroxide is a highly valuable chemical, and electrocatalytic oxygen reduction towards H2O2 offers an alternative method for safe on‐site applications. Generally, low‐cost hematite (α‐Fe2O3) is not recognized as an efficient electrocatalyst because of its inert nature, but it is herein reported that α‐Fe2O3 can be endowed with high catalytic activity and selectivity via the engineering of...
Hematite attracts intensive interest as an adsorbent for water purification, but the oversized dimension and inherent high‐spin Fe(III) restrict its adsorption capability and kinetics. Herein a spatial‐confinement strategy is reported that synthesizes ultrafine α‐Fe2O3 benefiting from nanogrids constructed by predeposition of TiO2 nanodots in the MCM‐41 channel, and that tunes the spin‐state of Fe(III)...
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