Discovering Linear Descriptors for Activation Energy and Direct Hydrocarbon Dissociations by Dual-Atom Sites in Immiscible PdxPt1–x Solid Solutions
Source abstract
Abstract
In this study, homogeneously distributed Pd x Pt 1– x dual-atom-site catalysts (DASC) were successfully synthesized over the whole composition range. In the three-way catalytic performance tests, Pd 0.5 Pt 0.5 and Pd 0.9 Pt 0.1 DASC exhibited greatly enhanced C 3 H 6 oxidation activities over those of pure Pd and Pt nanoparticles. During in situ Fourier transform infrared measurements, the direct C 3 H 6 dissociations on Pd–Pt dual-atom sites were discovered, which were mainly responsible for the superior C 3 H 6 oxidation activities of Pd 0.5 Pt 0.5 and Pd 0.9 Pt 0.1 DASC. In addition, a linear correlation between activity curves and Pt–CO wavenumbers was found, indicating that the IR wavenumber is a descriptor for activation energy.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Catalytic Processes in Materials Science · Electrocatalysts for Energy Conversion · Catalysis and Oxidation Reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Chemical Engineering and Technology, Xi’an Jiaotong University, Innovation Harbour, Xi-xian New District, Xi’an 712-000, China
Advanced Ceramics Research Centre, Nagoya Institute of Technology, 10-6-29 Asahigaoka, Tajimi, Gifu 507-0071, Japan
Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
Shaanxi Key Laboratory of Biomedical Metal Materials, Northwest Institute for Nonferrous Metal Research, Xi’an 710-016, China
Funding
China Postdoctoral Science Foundation · State Key Laboratory of Structural Chemistry · National Natural Science Foundation of China · Key Research and Development Projects of Shaanxi Province · National Innovation Platform for Industry-Education Integration of Energy Storage Technology of Xi?an Jiaotong university · Xi'an Jiaotong University
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