Directional Growth and Density Modulation of Single‐Atom Platinum for Efficient Electrocatalytic Hydrogen Evolution. - Liu, Xinyang; Zhou, Yuxuan; Lin, Jingkai; Xiao, Xiao; Wang, Zhijun; Jia, Liangyong; Li, Mengyuan; Yang, Ke; Fan, Jinchen; Yang, Weiwei; Li, Guisheng (Angewandte Chemie, 2024)