In situ XAS investigation of Gas-phase Pd Clusters-modified Mesoporous Copper Oxide Inverse Opals for CO2 Reduction into C2+ Products
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https://doi.esrf.fr/10.15151/ESRF-ES-2008564683
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资源简介：
The objective of this proposal is to use in situ X-ray absorption spectroscopy (XAS) to investigate Cu-Pd tandem electrocatalysts designed for the selective conversion of CO2 into C2+ products. These electrocatalysts consist of mesoporous oxygen-rich copper inverse opals (mCu) synthesized via a colloid templating method whose surface is uniformly decorated with Pd nanoclusters via Cluster Beam Deposition (CBD). We will conduct in situ measurements of X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) at both Cu and Pd K-edges using a specially designed grazing incidence electrochemical flow cell. This will allow us to explore the dynamic electronic and structural properties of the electrocatalysts during electrochemical CO2 reduction (ECR) conditions as a function of Pd loading to enhance our understanding of the structure-activity relationship governing highly active Pd-Cu tandem CO2 electrocatalysts, in their selectivity of C2+ products.
提供机构：
Universiteit Antwerpen, ELCAT, Universiteitsplein 1, 2610, Antwerpen, BE; KU Leuven, Quantum Solid State Physics section, Celestijnenlaan 200D, bus 2418, 3001, Leuven, BE; KU Leuven, Quantum Solid State Physics section, Celestijnenlaan 200D, bus 2418, 3001 Leuven, Belgium
创建时间：
2028-01-01
