Direct Probing of the Oxygen Evolution Reaction at Single NiFe<sub>2</sub>O<sub>4</sub> Nanocrystal Superparticles with Tunable Structures
Xiaoxi Lu, Mingzhong Li, Peng Yu, Xiangyun Xi, Man Li, Qianjin Chen, Angang Dong
Abstract
and is sensitive to size only when it is smaller than ∼800 nm in diameter. After the incorporation of Au nanocrystals, the TOF increases by ∼6-fold and levels off with further increasing Au content. Our study demonstrates the first direct single entity electrochemical study on individual nanocrystal superlattices with tunable structures and unravels the intrinsic structure-activity relationship that is not accessible by other methods.
Topics & Concepts
NanocrystalSuperlatticeChemistryElectrochemistryNanotechnologyOxygen evolutionChemical physicsScanning electron microscopeCrystallographyElectrodeMaterials scienceOptoelectronicsPhysical chemistryComposite materialElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research