Prussian Blue Analogues Derived Penroseite (Ni,Co)Se2 Nanocages Anchored on 3D Graphene Aerogel for Efficient Water Splitting

Xun Xu, Hanfeng Liang, Fangwang Ming, Zhengbing Qi, Yaqiang Xie, Zhoucheng Wang

Research output: Contribution to journalArticlepeer-review

138 Scopus citations

Abstract

Efficient water splitting demands highly active, low cost, and robust electrocatalysts. In this study, we report the synthesis of penroseite (Ni,Co)Se2 nanocages anchored on 3D graphene aerogel using Prussian blue analogues as precursor and further their applications in overall water splitting electrolysis. The synergy between the high activity of (Ni,Co)Se2 and the good conductivity of graphene leads to superior performance of the hybrid toward the water splitting in basic solutions. The (Ni,Co)Se2-GA only requires a low cell voltage of 1.60 V to reach the current density of 10 mA cm-2, making the (Ni,Co)Se2-GA hybrid a competitive alternative to noble metal based catalysts for water splitting.
Original languageEnglish (US)
Pages (from-to)6394-6399
Number of pages6
JournalACS Catalysis
Volume7
Issue number9
DOIs
StatePublished - Aug 24 2017

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