Structural insights and electronic state analysis of PtNi nanowire catalysts by <i>operando</i> high-energy resolution fluorescence detection X-ray absorption spectroscopy
Weijie Cao, Neha Thakur, Mukesh Kumar, Tomoki Uchiyama, Yunfei Gao, Satoshi Tominaka, Akihiko Machida, Toshiki Watanabe, Ryota Sato, Toshiharu Teranishi, Masashi Matsumoto, Hideto Imai, Y. Sakurai, Yoshiharu Uchimoto
Abstract
Operando conventional and high-energy resolution fluorescence detection X-ray absorption spectroscopy were used to study the oxidation states and Pt–Pt bond length changes in PtNi nanowire catalysts under oxygen reduction reaction conditions.
Topics & Concepts
FluorescenceAbsorption (acoustics)Materials scienceSpectroscopyNanowireAbsorption spectroscopyCatalysisFluorescence spectroscopyResolution (logic)Analytical Chemistry (journal)X-ray absorption spectroscopyHigh resolutionNanotechnologyChemistryOpticsPhysicsComposite materialChromatographyArtificial intelligenceQuantum mechanicsGeologyRemote sensingComputer scienceBiochemistryMachine Learning in Materials ScienceElectron and X-Ray Spectroscopy TechniquesElectrocatalysts for Energy Conversion