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Platinum Multicubes Prepared by Ni2+-Mediated Shape Evolution Exhibit High Electrocatalytic Activity for Oxygen Reduction
2015
Angewandte Chemie
Pt(100) facets are generally considered less active for the oxygen reduction reaction (ORR). Reported herein is au nique Pt-brancheds tructure,amulticube,w hose surface is mostly enclosed by {100} facets but contains high-index facets at the small junction area between the adjacent cubic components.T he synthesis is accomplished by aN i 2 + -mediated facet evolution from high-index {311} to {100} facets on the frameworks of multipods.Despite the high {100} facet coverage,the Pt multicubes
doi:10.1002/ange.201500947
fatcat:zu45hcvccrfwtevcap6wru6r2y