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a Schematic of synthesis of Pt NWs/SL–Ni(OH)2. b, c TEM images of Pt NWs/SL–Ni(OH)2; scale bars in b and c are 100 and 5 nm, respectively. HER activity of Pt NWs/SL–Ni(OH)2, Pt NPs/SL–Ni(OH)2, pure Pt NWs, and commercial Pt/C (20 wt% Pt) in 1 M d and 0.1 M KOH e at room temperature. Reproduced with permission of the authors of Ref. [35]. Copyright 2015, Nature Publishing Group
