Abstract
Due to the dimensional confinement, two-dimensional (2D) nanostructures have exposed more active atoms, allowing faster electron transport; Furthermore, Doping is widely used to modulate the local electronic structure within the material. In this work, we proposed a strategy for the facile synthesis of ultrathin transition metal-doped nanosheets. The 2D Mn/RuO2 nanosheets prepared by rapid thermal annealing (RTA), required an overpotential of only 185 mV to reach a current density of 10 mA cm−2 under acidic solution, which was much lower than that of commercial IrO2. This finding provides a promising strategy for the reduction of precious metal content and the preparation of ultrathin nanosheet, and brings inspiration for the design and fabrication of other advanced nano-catalysts.
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