Prof. Zhaoxiong Xie, Assoc. Prof. Qin Kuang and their team made remarkable progress in the morphological and structure control of the Platinum–based noble metal alloy nanocrystals. The achievement titled “Excavated Cubic Platinum–Tin Alloy Nanocrystals Constructed from Ultrathin Nanosheets with Enhanced Electrocatalytic Activity” was published in Angewandte Chemie International Edition（Angew. Chem.Int. Ed.，DOI: 10.1002/anie.201602592）.