Pt9 Ni Wavelike Nanowires with High Activity for Oxygen Reduction Reactions.

Pengfei LvBenjin JinChao MeiHuang ZhouTongwei YuanZhijun LiHui HeXiaoshuang ShenXun Hong

Published in: Chemistry (Weinheim an der Bergstrasse, Germany) (2018)

Platinum (Pt)-based nanostructures are the most efficient catalysts for the oxygen reduction reaction (ORR) in acid media. Here, Pt9 Ni wavelike nanowires (W-NWs) have been synthesized by etching Pt3 Ni@PtNi2 core-shell nanowires with 2,5-dihydroxyterephthalic acid for 24 hours. Compared to the commercial Pt/C catalyst, the free-standing Pt9 Ni W-NWs show improvements of up to 9.3 times for mass activity and 12.6 times for specific activity, respectively.

Keyphrases

room temperature
metal organic framework
reduced graphene oxide
transition metal
highly efficient
gold nanoparticles
carbon dioxide