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In article 1707106, Yong‐Mook Kang, and Seong‐Ju Hwang, and co‐workers report the synthesis of holey 2D nanosheets of low‐valent Mn2O3 and their excellent functionalities as electrocatalysts for the oxygen evolution reaction and as electrodes for Li‐O2 batteries. The advantage is attributable to the promoted diffusion of reactant and product species through surface holes, and the enhancement of the...
Holey 2D nanosheets of low‐valent Mn2O3 can be synthesized by thermally induced phase transition of exfoliated layered MnO2 nanosheets. The heat treatment of layered MnO2 nanosheets at elevated temperatures leads not only to transitions to low‐valent manganese oxides but also to the creation of surface hole in the 2D nanosheet crystallites. Despite distinct phase transitions, highly anisotropic 2D...
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