Charles Peden

Early Transition Metal Oxides as Catalysts: Crossing Scales from Clusters to Single Crystals to Functioning Materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

Current commercial heterogeneous catalysts are structurally and chemically complex and their experimental assessment can seldom be interpreted with atomic-level precision. We seek to reduce the…

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…

NOx Adsorber Materials: Fundamental Studies, and Investigations of Sulfur Poisoning and Thermal Deactivation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

One of the key challenges facing the catalysis community is the elimination of harmful gases emitted by internal combustion engines. In particular, the reduction of NOx from an exhaust gas mixture…

Atomic Level Investigation of the Phase Stability of Transition Metal Surfaces Under Reactive Environment

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

Atomic level understanding of transition metal surfaces (in particular the surfaces of metal nano-particles) is critical for developing a structure-property relationship in a range of scientific…

Visualization of soot-trapped diesel particulate filters (DPF) using nuclear magnetic resonance imaging

Lead Institution

Ulsan National Institute of Science and Technology

Principal Investigator

Ja Hun Kwak

Project type

Capability Research

Legislators in the United States and Europe have been aggressive in the pursuit of diesel engine particulate control, especially focusing on the reduction of particulate matter below 2.5 microns in…

Understanding the Synthesis of Alumina Supported Metal Catalysts at an Atomic Level

Lead Institution

Georgia Institute of Technology

Principal Investigator

Carsten Sievers

Project type

Large-Scale EMSL Research

Despite the important role of supported metal catalysts in industrial processes there are significant gaps in our understanding of the atomic level transformations during their synthesis, in…

Fundamental Mechanistic Studies of Catalytic Hydrogen Production and Utilization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

This project will apply a unique capability at PNNL for heterogeneous catalysis R&D employing isotopic transient kinetic analysis (ITKA) techniques with mass spectroscopic and in-situ…

Well-defined metal-oxide catalysts to understand fundamental chemical transformations

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

Catalytic materials for the full and complex range of chemical transformations being considered for upgrading biomass-derived molecules to fuels and chemicals include metals dispersed on oxide- and…

FAST MAS probe Technology for 900 MHz NMR

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Scientific Partner

Overall Objective: To enhance EMSLs flagship 900 MHz solid- state NMR capability through addition and development of ultra-fast spinning MAS probes optimized for the study of catalytic systems.

Fundamental Mechanistic Studies of Catalytic Reactions Using a Combined Steady-State Isotopic Transient Kinetic Analysis (SSITKA)/Fourier Transform Infrared (FTIR) Spectroscopy Apparatus

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

This project will apply a unique capability in the EMSL at PNNL for heterogeneous catalysis R&D employing steady-state isotopic transient kinetic analysis (SSITKA) techniques with mass…

Mechanistic understanding of zeolite deactivation pathways

Lead Institution

Caterpillar, Inc.

Principal Investigator

Joshua Ratts

Project type

Exploratory Research

Three zeolite powders (Fe-MFI, Cu-MFI, and Fe-BEA) commonly used in SCR NOx reduction will be hydrothermally aged in air using a variety of temperatures, aging times and water concentrations in a…

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…

NMR and Computational Studies of Chemical Transformations at Complex Interfaces for Catalytic Applications

Lead Institution

University of Alabama

Principal Investigator

David Dixon

Project type

Large-Scale EMSL Research

Catalysis science is at the core of many of the DOE's programs including its core energy mission. Catalysts, both homogeneous and heterogeneous, facilitate the control of chemical reactions by…

Dynamics of Supported Noble metal Nanoparticles in the Presence of Oxidizing Environment: Application of Compressive Sensing in ETEM

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Libor Kovarik

Direct atomic level visualization of structural and surface transformations of nanoparticles during exposure to oxidizing environment is critical for developing a structure-property relationship in…

NOx Adsorber Materials: Fundamental Studies, and Investigations of Sulfur Poisoning and Thermal Deactivation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

Catalysits systems related to automotive exhaust control will be investigated. Specifically, the focus will be on catalysts that are important in lean NOx emission control (NOx storage/reduction …

Small-pore zeolite supported Cu/Fe as selective catalytic reduction catalysts, and Pd/Pt as passive NOx adsorbers and low-temperature methane combustion catalysts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Feng Gao

To help meet DOE goals of enabling more fuel-efficient vehicle engine technologies, for the past ~15 years we have been carrying out research programs funded by DOE/Office of Energy Efficiency and…

Early Transition Metal Oxides as Catalysts: Crossing Scales from Clusters to Single Crystals to Functioning Materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

Current commercial heterogeneous catalysts are structurally and chemically complex and measurements on them can seldom be interpreted with atomic-level precision. This is especially so for supported…

Fundamental Studies of Oxygen Storage Materials (Chuck Peden's BES Project - 26104)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Exploratory Research

The goal of this research is to fill a gap in the fundamental understanding of catalyst activity and durability with respect to the transient NOx reduction performance of automotive catalytic…

In-situ High Field, High Resolution NMR Spectroscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

A magic angle turning (MAT) solid state NMR probe with discrete sample rotation is proposed so that a combination of temperature, pressure, and flow control is possible while a high resolution…

New Technologies for Reduction of Automobile Exhaust Emissions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Exploratory Research

The goal of the research is to evaluate the effectiveness of a non-thermal plasma in conjunction with catalytic materials to mediate exhaust gas emissions from diesel fueled light duty compression…

Fundamental Studies of NOx Adsorber Materials (Chuck Peden's EE Project - 47120)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Exploratory Research

This program is a multi-year effort at Pacific Northwest National Laboratory to develop a fundamental understanding of the operation of NOx adsorbers, and to share this understanding with bench…

In-situ High Field, High Resolution NMR Spectroscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

A magic angle turning (MAT) solid state NMR probe with discrete sample rotation is proposed so that a combination of temperature, pressure, and flow control is possible while a high resolution…

Catalysis Research Campaign: An Integrated Multi-Capability Approach for Analysis of Catalytic Systems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Research Campaign

In this research campaign, advanced capabilities within the Environmental Molecular Sciences Laboratory (EMSL) at the Pacific Northwest National Laboratory will be integrated for in-depth, molecular…

Early transition metal oxides as catalysts: Crossing scales from clusters to single crystals to functioning materials - Catalysis Science (Chuck Peden's BES Project - 45385)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Exploratory Research

We propose a multidisciplinary, multi-institution program to develop and demonstrate a new approach to the grand challenge of controlling chemical transformations using catalysis. We propose an…

In-situ High Field, High Resolution NMR Spectroscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

A magic angle turning (MAT) solid state NMR probe with discrete sample rotation is proposed so that a combination of temperature, pressure, and flow control is possible while a high resolution…

High Resolution Electron Microscopy Study of Complex Nanostructured Materials and Their Structural Transformations

Lead Institution

Yale University

Principal Investigator

Jun Liu

Project type

Exploratory Research

The objective of this proposal is to use EMSL's advanced electron microscopy facility to characterize the compositions and properties of the nanostructured catalysts and nanostructured materials…

Solid State 183W MAS NMR at High and Ultra High Magnetic Fields

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Project type

Capability Research

The goal of this research is to establish a capability to study tungsten heteropoly acids and dispersed tungsten-oxide absorbed on high surface support materials. The possibility will be explored by…

Mechanisms of sulfur poisoning of NOx adsorber materials (Chuck's Cummins CRADA work Scope 43315)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Exploratory Research

The objective of this project is to aid the identification of a clear pathway to robust NOx after-treatment solutions for light-duty diesel engines. The project consistsof three phases. First, the…

Fundamental Mechanistic Studies of Catalytic Reactions Using a Combined Steady-State Isotopic Transient Kinetic Analysis (SSITKA)/Fourier Transform Infrared (FTIR) Spectroscopy Apparatus

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

This project will apply a unique capability in the EMSL at PNNL for heterogeneous catalysis R&D employing steady-state isotopic transient kinetic analysis (SSITKA) techniques with mass…

Catalysis Collaborative Access Team (CAT)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

An integrated experimental and theoretical approach to a molecular-level understanding of oxide-catalyzed chemical transformations A fundamental understanding of chemical transformations is needed…

Fundamental Investigations of Heterogeneous Catalysis Using Isotopic Transient Kinetic Analysis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Robert Disselkamp

Project type

Large-Scale EMSL Research

This project will apply a unique capability at PNNL for heterogeneous catalysis R&D employing isotopic transient kinetic analysis (ITKA) techniques with mass spectroscopic and in-situ…

Well-defined Metal-Oxide Catalysts to Understand Fundamental Chemical Transformations

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

Catalytic materials for the full and complex range of chemical transformations being considered for upgrading biomass-derived molecules to fuels and chemicals include metals dispersed on oxide- and…

NMR for Catalyst Studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

A detailed understanding of the mechanisms involved in a catalytic reaction requires that we identify the nature of the active sites and of reaction intermediates, and that we probe dynamic processes…

Fundamental Studies of Nitrogen Oxide Surface chemistry: A Model System approach

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Project type

Large-Scale EMSL Research

In our proposed research we will employ a model system approach to elucidate the structure-reactivity relationships of base-metal oxide nanostructures supported on planar oxide substrates. The major…

Fundamental Studies of Vehicle Emission Control Catalysts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

The abatement of environmentally harmful NOx compounds (NO, NO2, and N2O) emitted from mobile or stationary power sources remains a challenging task for the catalysis community. In particular,…

NMR for Catalyst Studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

A detailed understanding of the mechanisms involved in a catalytic reaction requires that we identify the nature of the active sites and of reaction intermediates, and that we probe dynamic processes…

NMR and Computational Studies of Chemical Transformations at Complex Interfaces

Lead Institution

University of Alabama

Principal Investigator

David Dixon

Project type

Large-Scale EMSL Research

Catalysis provides the means of controlling the rates at which chemical bonds are formed or broken and the yields of desired products over undesired ones. New computational and experimental…

In-situ MAS NMR Investigations on Catalytic Conversion of Biogenic Molecules in the Presence and Absence of Water

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Project type

Large-Scale EMSL Research

The catalyzed conversion of biomass to hydrocarbon energy carriers requires a cascade of reactions that deconstruct and reduce the polymeric, highly oxofunctionalized biomass material. This chemistry…

Projects