Synthesis of Pt-Ni Alloy Nanocrystals with High-Index Facets and Enhanced Electrocatalytic Properties. - Xiling Xu; Xin Zhang; Hui Sun; Ying Yang; Xiaoping Dai; Jinsen Gao; Xueyong Li; Pengfang Zhang; Hong-Hui Wang; Neng-Fei Yu; Shi-Gang Sun (Angewandte Chemie International Edition, 2014)