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Mark Engelhard

Institution
Environmental Molecular Sciences Laboratory

Projects

Toward a Catalyst Digital Twin

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Nicholas Nelson
Project type
Contracted Time
The chemical potential of atomically dispersed transition metal atoms (adatoms) is well known to determine catalyst structure and mediate its structural evolution during reaction through the…

Characterization of zeolites

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Brian Riley
Project type
Limited Scope
We are using metal-exchanged zeolites as sorbents for methyl bromide under a DTRA project. This proposal is geared to allow us to characterize our zeolites using analytical instruments available at…

Characterization of the bio-oil hydrotreating catalysts

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Mark Engelhard
PNNL is working on an EERE international collaboration project to exchange scientific and technical information on biomass feedstock production and conversion to biofuels with China and additionally…

Isotopic Measurements for MAJORANA

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Zihua Zhu
The current focal point of PNNL's nuclear physics program is the MAJORANA DEMONSTRATOR, and the follow-on 1-tonne scale experiment, a large array of ultra-low background high-purity germanium…

The role of U(V) during heterogeneous reduction of aqueous U(VI) to U(IV).

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Eugene Ilton
Project type
Large-Scale EMSL Research
This proposal is being submitted in response to the Science theme call: Biogeochemistry and Subsurface Science, understanding the chemistry of radionuclides in the subsurface. It directly relates to…

Characterization of inorganic thin films on polymer substrate

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Theva Thevuthasan
We have received some oxide thin films that were grown on polymer substrate for characterization as a part of TAP program. The PIs are interested in elemental qunatifications in these films.

Chalcogenide Surface Science

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Bradley Johnson
Project type
Limited Scope
The objective of this work is to use XPS to study the surface chemistry of IR transparent chalcogenide fibers that have undergone photo-induced and/or opto-mechanical failures. Raytheon Missile…

Nanoparticle design, synthesis and characterization for NIH Center Integrating Structure, Activity, Biokinetics and Response for Engineered Nanoparticle (ENP) Risk Assessment

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Donald Baer
Project type
Large-Scale EMSL Research
This work provides the essential materials science base for designing, synthesizing and delivering three types of nanoparticles for three mechanistic nanotoxicology related biological studies being…

Graphene Oxide Based Structured Laminar Membranes

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
David Gotthold
Project type
Limited Scope
Structured laminar membranes, consisting of hierarchically stacked, overlapping layers of 2D graphene oxide (GOx), are a fascinating and promising new class of materials with the potential for…

Chalcogenide Surface Science

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Bradley Johnson
Project type
Exploratory Research
Chalcogenide nanowires have been observed to form on soda lime glass and fused quartz substrates. These materials have potential application for analytical and photonic devices. Further research is…

Surface and Interface Studies of Photochemically Initiated Immobilization

Lead Institution
Portland State University
Principal Investigator
Mingdi Yan
Project type
Large-Scale EMSL Research
The ability to precisely control surface and interface properties is of paramount importance in applications ranging from catalysis, adhesion, sensing, to nanoscale devices. Critical to these…

Experimental and Theoretical Studies of Reaction Pathways for the Breakdown of Chlorinated Hydrocarbon Molecules by Metal and Metal Oxide Nanoparticles(including PNNL Scope # 42184/44076, Baer/Amonette/Tratnyek Nano-Fe BES/EMSP project)

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
James Amonette
Project type
Large-Scale EMSL Research
Metal and metal-oxide nanoparticles have been shown to have high reactivity towards a variety of chemical species, including chlorinated hydrocarbons and reducible oxyanions that frequently…

The role of U(V) during heterogeneous reduction of aqueous U(VI) to U(IV).

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Eugene Ilton
Project type
Exploratory Research
This proposal is being submitted in response to the Science theme call: Biogeochemistry and Subsurface Science, understanding the chemistry of radionuclides in the subsurface. It directly relates to…

TiO2 photocatalyst poisoning/contamination TAP project

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Mark Engelhard
Puralytics makes a water treatment system using UV-activated photoctalysis to remove organic and other contaminates from water. The photocatalytic material is becoming de-activated/contaminated by…

Determination of Changes in Surface Chemistry of SOFC Seal Materials

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Jeffry Stevenson
Project type
Limited Scope
Solid oxide fuel cells (SOFC) have emerged as a clean and efficient technology for the direct conversion of hydrocarbons and coal-derived fuels to electrical energy. The key feature of the SOFC is…

XPS Surface Analysis of Metal Coupons

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Jerome Birnbaum
A series of metal coupons will undergo heat treatments under varying conditons in a separate PNNL laboratory from EMSL. Following the treatment the coupons will be delivered to Mark Engelhard to…

Characterization of Nb Films

Lead Institution
Hewlett-Packard Company
Principal Investigator
Douglas Ohlberg
3-D chemical imaging of HP supplied Nb oxide and Nb nitride thin films. These films will be prepared using the EMSL FEI Helios Nanolab dual-beam focused ion beam/scanning electron microscopy (FIB/SEM…

Medical Plastic Surface Characterization

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
James Holbery
Project type
Limited Scope
This project will characterize polymer materials that are to be used in a proprietary medical device for diabetes treatment

Pacific Northwest National Laboratory's Technology Assistance Program

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Gary Spanner
Project type
Exploratory Research
The Energy Policy Act of 2005 mandates that the United States' national laboratories offer technology assistance to small businesses. The Technology Assistance Program (TAP) operated by the…

Develop fundamental surface science characterization data for use in improving mixed alcohol synthesis catalysts via Computational Investigation of Ethanol Synthesis from Biomass-derived Syngas Using Rh-based Catalysts

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Shawn Kathmann
Project type
Exploratory Research
Novel catalyst design is essential and combined experimental and theoretical/computational catalysis can provide the essential mechanisms, influence of promoters, energetics, selectivity, and…

Characterization of Ore Components

Lead Institution
Environmental Molecular Sciences Laboratory
Principal Investigator
Theva Thevuthasan
Rocks pieces, ground rocks and moss with sand need to be assayed using particle induced x-ray emission, x-ray photoelectron spectroscopy and scanning electron microscopy. The elements in these…

Nanoparticles-Based Biosensors for Detection of Environmental Biomarkers

Lead Institution
Washington State University
Principal Investigator
Yuehe Lin
Project type
Large-Scale EMSL Research
Human exposure to toxic chemical agents (i.e. pesticides, nerve agents) and infectious agents, such as pathogens, may have some immune response, which is composed of both cellular and acellular…