Ultrafine NiO Nanosheets Stabilized by TiO 2  from Monolayer NiTi-LDH Precursors: An Active Water Oxidation Electrocatalyst

Zhao, Yufei; Jia, Xiaodan; Chen, Guangbo; Shang, Lu; Waterhouse, Geoffrey I. N.; Wu, Li‐Zhu; Tung, Chen‐Ho; O’Hare, Dermot; Zhang, Tierui

doi:10.1021/jacs.6b01606

articleJournal of the American Chemical SocietyMay 9, 2016Closed access

Ultrafine NiO Nanosheets Stabilized by TiO 2 from Monolayer NiTi-LDH Precursors: An Active Water Oxidation Electrocatalyst

YZYufei Zhao XJXiaodan Jia GCGuangbo Chen LSLu Shang GIGeoffrey I. N. Waterhouse

Chinese Academy of Sciences · Technical Institute of Physics and Chemistry · +4 more institutions

PubMed

Indexed incrossrefpubmed

Abstract

Faceted NiO nanoparticles preferentially exposing high surface energy planes demand attention due to their excellent electrocatalytic properties. However, the activity of faceted NiO nanoparticles generally remains suboptimal due to their large lateral size and thickness, which severely limits the availability of coordinatively unsaturated active reactive edge and corner sites. Here, ultrafine NiO nanosheets with a platelet size of ∼4.0 nm and thickness (∼1.1 nm) stabilized by TiO2 were successfully prepared by calcination of a monolayer layered double hydroxide precursor. The ultrafine NiO nanosheets displayed outstanding performance in electrochemical water oxidation due to a high proportion of reactive NiO…

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Topics & keywords

Topics

Keywords

Chemistry
Electrocatalyst
Non-blocking I/O
Monolayer
Inorganic chemistry
Chemical engineering
Electrochemistry
Catalysis

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