Jean-Sabin McEwen

Investigation of Field-Assisted Surface Chemistry by Atom Probe Tomography

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sten Lambeets

Addressing the negative impact of CO2 on the global environment requires a multifaceted mitigation strategy which includes CO2 conversion to higher value compounds, satisfying both economic and…

Developing Multi-Scale Models for the Effective Design of Hydrothermally Stable Single-Site Catalysts for Low-Temperature CO Emissions Removal

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

The research objective of this proposal is to develop a multi-scale model that will predict the catalytic behavior of low temperature single-atom exhaust catalysts in real-world conditions. The…

Probing the mechanism of COR2R hydrogenation over Co and Fe single nanoparticles: Route to nanoparticle structural intimacy by Atom Probe Tomography

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Daniel Perea

Addressing the negative impact of COR2R on the global environment requires a multifaceted mitigation strategy which includes COR2R conversion to higher value compounds, satisfying both economic and…

Investigating the Role of Solvents Toward the Targeted Reduction of Aldehydes to Alcohols

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

Tackling climate change and environmental protection is one of the chief Sustainable Development Goals identified by United Nation at the nexus of social and economic factors across the globe. …

Structural Tuning of Copper Oxide Reducibility in the Presence of Atomically Dispersed Metals

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

Catalytic surfaces are prone to reconstruction depending on the adsorbates present, catalyst coverage, temperature, and other environmental factors. Through model studies, we can generate trends as…

Characterizing Metal-Support Interaction of Atomically Dispersed Atoms and Clusters on Cu2O (111)

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

Catalytic surfaces are prone to reconstruction depending on the adsorbates present, catalyst coverage, temperature, and other environmental factors. Through model studies, we can generate trends as…

Unraveling the Role of Reaction Environment during the Upgrading of Bio-Oil to Usable Biofuels: A First Principles Multi-Scale Modeling Approach

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

Tackling climate change and environmental protection is one of the chief Sustainable Development Goals identified by United Nation at the nexus of social and economic factors across the globe…

Investigation of Field-Assisted Surface Chemistry by Atom Probe Tomography

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sten Lambeets

Addressing the negative impact of CO2 on the global environment requires a multifaceted mitigation strategy which includes CO2 conversion to higher value compounds, satisfying both economic and…

Developing a first principles-based model of a multi-faceted single catalytic grain Fe

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Daniel Perea

Recently, our group has developed a unique capability that allows the application of Atom Probe Tomography (APT) in a novel fashion to study chemical reactions on reactive metal surfaces with atomic…

Understanding NOx SCR Mechanisms and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

This proposed EMSL use will enable research that has been recently funded at PNNL by the Department of Energy (DOE), and at the remainder of the partner institutions by a joint DOE/National Science…

Understanding NOx SCR Mechanisms and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

Project type

Large-Scale EMSL Research

This proposed EMSL use will enable research that has been recently funded at PNNL by the Department of Energy (DOE), and at the remainder of the partner institutions by a joint DOE/National Science…

Fundamental Understanding of Chemical Transformations at the Interface between Bimetallic Catalysts and Solvents

Lead Institution

Washington State University

Principal Investigator

Yong Wang

Project type

Large-Scale EMSL Research

Production of biofuels from lignocellulosic biomass, a renewable resource, can play a significant role in achieving goals of long term sustainability for the current energy infrastructure while…

Understanding the Mechanism of CO Hydrogenation to Oxygenates over Ternary Catalysts: An Integrated Approach Using In Situ and Operando Experimental Techniques

Lead Institution

Washington State University

Principal Investigator

Norbert Kruse

Project type

Large-Scale EMSL Research

The submitted proposal will enable highly focused scientific research using unique facilities and expertise at EMSL. This research is largely complementary to ongoing work on oxygenates formation via…

Uncovering the Atomistic-Scale Catalytic Roles of Hydrogen Transfer at Liquid-Solid Interfaces for the Targeted Removal of Oxygen from Bio-Oil Compounds

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

A grand challenge for catalysis this century is to accelerate the carbon cycle–wherein fossil fuels derived from biomass formed over 300 million years ago are extracted from the ground and then used…

Understanding the Mechanism of CO Hydrogenation to Oxygenates

Lead Institution

Washington State University

Principal Investigator

Jean-Sabin McEwen

The submitted proposal will enable a highly focused computational investigation of a novel CO hydrogenation molecular mechanism from first-principles using the state-of-the-art Cascade supercomputing…

EMSL Science Overview

Jean-Sabin McEwen

Projects

Investigation of Field-Assisted Surface Chemistry by Atom Probe Tomography

Developing Multi-Scale Models for the Effective Design of Hydrothermally Stable Single-Site Catalysts for Low-Temperature CO Emissions Removal

Probing the mechanism of COR2R hydrogenation over Co and Fe single nanoparticles: Route to nanoparticle structural intimacy by Atom Probe Tomography

Investigating the Role of Solvents Toward the Targeted Reduction of Aldehydes to Alcohols

Structural Tuning of Copper Oxide Reducibility in the Presence of Atomically Dispersed Metals

Characterizing Metal-Support Interaction of Atomically Dispersed Atoms and Clusters on Cu2O (111)

Unraveling the Role of Reaction Environment during the Upgrading of Bio-Oil to Usable Biofuels: A First Principles Multi-Scale Modeling Approach

Investigation of Field-Assisted Surface Chemistry by Atom Probe Tomography

Developing a first principles-based model of a multi-faceted single catalytic grain Fe

Understanding NOx SCR Mechanisms and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle

Understanding NOx SCR Mechanisms and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle

Fundamental Understanding of Chemical Transformations at the Interface between Bimetallic Catalysts and Solvents

Understanding the Mechanism of CO Hydrogenation to Oxygenates over Ternary Catalysts: An Integrated Approach Using In Situ and Operando Experimental Techniques

Uncovering the Atomistic-Scale Catalytic Roles of Hydrogen Transfer at Liquid-Solid Interfaces for the Targeted Removal of Oxygen from Bio-Oil Compounds

Understanding the Mechanism of CO Hydrogenation to Oxygenates