Metastable-phase platinum oxide for clarifying the Pt–O active site for the hydrogen evolution reaction
Haiwei Yang, Yujin Ji, Qi Shao, Wenxiang Zhu, Miaomiao Fang, Mengjie Ma, Fan Liao, Hui Huang, Yi Zhang, Junjun Yang, Zhenglong Fan, Youyong Li, Yang Liu, Mingwang Shao, Zhenhui Kang
Abstract
A new phase of 1T-phase platinum oxide exhibits a record acidic HER activity. A mechanism whereby the [Pt–O] active site can be easily attacked by protons to form the Pt–H intermediate state during the HER is proposed.
Topics & Concepts
PlatinumMetastabilityActive sitePhase (matter)OxideHydrogenChemistryReaction mechanismMaterials scienceInorganic chemistryCatalysisOrganic chemistryElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceFuel Cells and Related Materials