Synthesis of Pd-Pt bimetallic nanocrystals with a concave structure through a bromide-induced galvanic replacement reaction - Zhang, Hui; Jin, Mingshang; Wang, Jinguo; Li, Weiyang; Camargo, Pedro Henrique Cury de; Kim, Moon J; Yang, Deren; Xie, Zhaoxiong; Xia, Younan (Journal of the American Chemical Society, 2011)