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The rational synthesis of single‐layer noble metal directly anchored on support materials is an elusive target to accomplish for a long time. This paper reports well‐defined single‐layer Pt (Pt‐SL) clusters anchored on ultrathin TiO2 nanosheets—as a new frontier in electrocatalysis. The structural evolution of Pt‐SL/TiO2 via self‐assembly of single Pt atoms (Pt‐SA) is systematically recorded. Significantly,...
Vacancies created on a surface can alter the local electronic structure, thus enabling a higher intrinsic activity for the evolution of hydrogen and oxygen. Conventional strategies for vacancy engineering, however, have a strong focus on non‐metal sulfur/oxygen defects, which have often overlooked metallic vacancies. Herein, evidence is provided that cobalt vacancies can be atomically tuned to have...
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