Janos Szanyi | Environmental Molecular Sciences Laboratory

Studies on Cu-exchanged small pore zeolites as selective catalytic reduction (SCR) catalysts and CeO2 supported 2D Pd rafts for low-temperature methane combustion (LTMC)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Feng Gao

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

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 …

Highly selective Ni/SiO2 catalyst for the reverse water-gas shift reaction: effect of ageing and adding a second metal (bimetallic Ni-Pd)

Lead Institution

Universidade de Sao Paulo

Principal Investigator

Liane Rossi

Project type

Limited Scope

The reverse water-gas shift (RWGS) can be understood as a model reaction to probe the properties of heterogeneous catalysts, besides it can be a way to convert CO2, a greenhouse gas, to CO that can…

Toward the chemical conversion of CO2: understanding the interaction of CO2 with model metal/metal-oxide systems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Project type

Exploratory Research

Environmental concerns about the increasing level of atmospheric CO2, a major greenhouse gas component, have prompted research efforts in two major directions: sequestration and chemical conversion…

Controlling Nuclearity and Structure of the Active Centers for Hydrogen Addition to Carbon-Oxygen Bonds

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Catalytic hydrogenation of C=O bonds and the reductive cleavage of C-O bonds are important reactions in the upgrading of highly dispersed renewable carbon resources. Enabling low-temperature pathways…

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…

Studies on zeolite supported Cu/Fe as selective catalytic reduction (SCR) catalysts, and supported Pd as passive NOx adsorbers (PNA)

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…

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,…

Studies on zeolite supported Cu/Fe as selective catalytic reduction (SCR) catalysts, and supported Pd as passive NOx adsorbers (PNA)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Feng Gao

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

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…

The application of the mass spectrometry capabilities in EMSL for the analysis of polymers and their degradation products

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Upcycling large volume of common polymers (e.g., polyethylene (PE) and polypropylene (PP)) is one of the great challenges our environmental science research is facing. We are initiating research…

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…

Studies on Cu-exchanged small pore zeolites as selective catalytic reduction (SCR) catalysts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Feng Gao

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

in situ FTIR Studies of Alumina in a Hydrogen Environment: a Study of Hydrogen Chemistry within Ceramics.

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ashley Stowe

Project type

Exploratory Research

Ceramic coatings have been used for some time to reduce the permeation of hydrogen through metals in nuclear reactor facilities. Alumina has primarily been used as the coating and many permeation…

Understanding Water Splitting on Model Mixed Metal Oxide Photocatalysts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Henderson

Project type

Large-Scale EMSL Research

There is a need for new fundamental insights into photocatalytic water splitting particularly how to design catalyst systems that extend the catalytic and photocatalytic functionalities of simple…

catalyst & support characterization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Robert Disselkamp

Determine BET specific surface area, as well as chemisorption-analyzed specific areas of catalysts. SEM and/or TEM imaging of catalysts will also be performed. Collect infrared/optical/UV/x-ray…

Fundamental Investigations of Heterogeneous Catalysis Using Isotopic Transient Kinetic Analysis - (Scope 90001)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Robert Disselkamp

Project type

Exploratory Research

This project is aimed at developing a new capability at PNNL for performing detailed transient kinetics studies to probe catalytic reaction mechanisms, while simultaneously spectroscopically…

Model Early Transition Metal Oxide Catalysts for Biomass Conversion

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Zdenek Dohnalek

Project type

Large-Scale EMSL Research

The detailed understanding of biomass conversion on well-defined model oxide catalysts provides valuable feedback for subsequent catalyst design and synthesis of desired products such as biofuels…

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…

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 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…

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…

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…

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 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…

An experimental and data analysis investigation into the trapped gases and non-ice material in the surfaces of the outer planets icy satellites and our Moon

Lead Institution

Johns Hopkins University

Principal Investigator

Charles Hibbitts

Project type

Large-Scale EMSL Research

We propose to continue to investigate the role of physisorption in explaining the presence of volatiles gases (specifically CO2, CH4, and possibly others) in the upper surfaces of icy satellites in…

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…

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…

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…

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…

Fundamental Studies of Nitrogen Oxide Surface Chemistry: A Model System Approach Combining Experiments and Theory

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Project type

Large-Scale EMSL Research

This program is aimed at the development of a fundamental understanding of catalytic nitrogen oxide (NOx) chemistry on base metal oxide surfaces. Special emphasis is on identifying new and unique…

Understanding NOx SCR and soot oxidation processes on multi-functional SCR-based materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kenneth Rappe

The objective of this project is to develop a strategy for the integration of catalytic NOX emission control and particulate matter emission control into a single device for the successful…

Synthesis and Characterization of Novel Nanocrystalline Oxide Film Structures:
Interface Controlled, Self-Assembled Oxide Quantum

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Donald Baer

Project type

Exploratory Research

This Synthesis and Characterization of Novel Nanocrystalline Oxide Film Structures Proposal focuses on Oxide Quantum Dots (OQDs). Interface controlled, self-assembled oxide quantum dots (QDs) are…

Understanding the effect of etching medium in tuning the surface polarity of silica nanoparticles for tuning the loading and release of anticancer drugs

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Mark Engelhard

Silica nanoparticles have traditionally been used in drug delivery owing to their easy synthesis, nearly inert behaviour and ability to tune its surfaces for attaching targeting moieties. Recently…

Combination and Integration of DPF-SCR Aftertreatment Technologies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kenneth Rappe

Project type

Large-Scale EMSL Research

Exhaust aftertreatment is considered an enabler for widespread implication of higher fuel efficient diesel engines. In the last decade extensive research has resulted in the development and…

Small-pore zeolite supported Pd and 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…

Fundamental Studies of Heterogeneous Photocatalysis on Model TiO2 Surfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Henderson

Project type

Large-Scale EMSL Research

The objective of this project is to provide the field of heterogeneous photocatalysis with unique insights into the molecular-level properties of photocatalytic transformations through joint…

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…

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