Project description
Exploring the impact of single atom migration on catalytic activity
Single-atom catalysts (SACs) are at the frontier of advanced catalysis research focusing on more sustainable heterogeneous catalytic methods in which the catalyst and reactants are in different phases. Due to their high surface energy, not all single atoms of a SAC are located at the surface of the catalyst support. They can migrate dynamically between the surface and the bulk, changing the number of active sites available and thus catalytic performance. With the support of the Marie Skłodowska-Curie Actions programme, the DMPdSAC project aims to develop methods to analyse the dynamic 3D migration of single atoms of Pd1/TiO2 during CO oxidation, supporting rational design of high-performance SACs.
Objective
Heterogeneous catalysis has grown rapidly since the beginning of the twentieth century, and currently it plays a central role in modern industrial catalysis. Single-atom catalysts (SACs) have been recognized as one of the most active frontiers in heterogeneous catalysis, taking the advantage of maximum utilization of precious metals and their superior catalytic performance. SACs do not have static local coordination under reaction conditions, driven by their high surface energy. Understanding the dynamism of SACs under reaction conditions is therefore highly important. So far, all the dynamic process of SACs are all focused on the surface of the support. For the reduced metal oxide support, not all the single atoms (SA) are located on the surface, part of them substituted the metal from the bulk metal oxide support. Notably, the precious metal atoms could migrate dynamically between the bulk and surface of the support in response to certain reaction atmospheres. Such a three-dimensional dynamic process of SA could result in the direct change of active site numbers and the intrinsic catalytic performance of SA species, which could influence the catalytic activity significantly. However, such a process has barely been investigated due to the underestimate of their influence on catalytic activity and the limitation of operando and quantitative technologies. Thus, this project will focus on the dynamic three-dimensional migration of SA of Pd1/TiO2 during CO oxidation process. We aim to develop quantitative and operando methodology to analyze three-dimensional distribution of different Pd1 species, reveal how the dynamic process influences the active site numbers and the intrinsic catalytic activity of Pd1 species and establish the dynamic structure-activity relationship of Pd1/TiO2. The final aim is to provide guidelines for the design of high-performance SACs for a given catalytic process.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry inorganic compounds
- natural sciences chemical sciences electrochemistry electrolysis
- natural sciences chemical sciences catalysis
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-MSCA-2024-PF-01
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
5612 AE Eindhoven
Netherlands
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