Projects

Effects of surfaces on photogenerated electron diffusion in zinc oxide nanowires

Lead Institution

Washington State University

Principal Investigator

Yi Gu

Project type

Exploratory Research

In the context of cost-effectively raising photovoltaic energy conversion efficiency, dye-sensitized solar cells (DSSCs) have emerged as one of the most promising low-cost options. Among them, zinc…

Background signal studies with PTR-MS

Lead Institution

Washington State University

Principal Investigator

Halvor Westberg

Project type

Exploratory Research

In some of our ambient measurement studies with the PTR-MS, acetaldehyde and some of the other polar oxygenated organics have shown unexpected high concentrations. Since the PTR-MS can have mass…

Relating nanostructure to composite properties via 3D TEM imaging

Lead Institution

Oregon State University

Principal Investigator

John Simonsen

Project type

Exploratory Research

Our previous proposal (PNNL 27090a) was unsuccessful in imaging CNXLs in polymer matrices, but was successful in obtaining excellent images of CNXL aerogels. We therefore propose to utilize…

Overall warm syngas cleanup

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Liyu Li

Project type

Exploratory Research

Gasification of biomass to syngas followed by catalytic synthesis of hydrocarbons or oxygenates provides a feasible strategy to meet the increasing demand for transportation fuels. This syngas has…

Using high resolution TEM to aquire uranium speciation information of environmental relevance

Lead Institution

Montana State University

Principal Investigator

Brent Peyton

Project type

Exploratory Research

The proposed research will utilize high resolution transmission electron microscopy (TEM) to acquire uranium (U) speciation data. Previous work has demonstrated the ability of an environmental…

TEM and MDS study of NPSS

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Xin Sun

Project type

Exploratory Research

Nano-Precipitates Strengthening Steels (NPSS) are currently under consideration for use as various vehicle components in the automotive industry for their excellent combination of mechanical…

Formulating the CD-MUSIC surface complexation model from first principles calculations for phosphate adsorption on goethite.

Lead Institution

Virginia Polytechnic Institute

Principal Investigator

Christopher Tadanier

Project type

Exploratory Research

Density functional theory molecular orbital calculations will be used to compute charge density distributions for various hypothetical adsorbed phosphate structures on the surface of the mineral…

Analyses of electron density distributions in earth materials with implications for reactivity.

Lead Institution

Virginia Polytechnic Institute

Principal Investigator

Gerald Gibbs

Project type

Exploratory Research

Density functional theory molecular orbital calculations will be used to compute the electron density distributions and their critical point properties of a variety of important silicate minerals and…

SEM and SIMS analysis of organic semiconductor films
grown using liquid crystal solvents

Lead Institution

Western Washington University

Principal Investigator

David Patrick

Project type

Exploratory Research

We propose to use EMSL facilities to perform scanning electron microscopy (SEM) and secondary ion mass spectrometry (SIMS) analysis of approximately 10 ? 20 samples consisting of thin films of the…

SEM and SIMS analysis of organic semiconductor films
grown using liquid crystal solvents

Lead Institution

Western Washington University

Principal Investigator

David Patrick

Project type

Exploratory Research

We propose to use EMSL facilities to perform scanning electron microscopy (SEM) and secondary ion mass spectrometry (SIMS) analysis of approximately 10 ? 20 samples consisting of thin films of the…

Membrane Introduction Proton Transfer Reaction Mass Spectrometry

Lead Institution

University of Innsbruck

Principal Investigator

Elena Boscaini

Project type

Exploratory Research

We will be using the EMSL PTR-MS to study the interaction of a range of volatile organic compounds with several types of polymer membranes.

Determination of the structure and properties of NaAlH4 Hydrogen Storage Materials

Lead Institution

Purdue University

Principal Investigator

Anter El-azab

Project type

Exploratory Research

The objective of this project is to relate the structure of NaAlH4 materials to the hydrogen storage capacity and reversibility. Specific objectives will be to examine the location and chemical form…

Characterization of heat treated Silicon Carbide specimens using Scaning Electron Microscopy.

Lead Institution

Washington State University

Principal Investigator

Maxime Guinel

Project type

Exploratory Research

A number of SiC solid specimens (about 15mm square in size and 2mm thick) have been heat treated at temperatures of 1000 degrees Celcius for a duration of one hour and let to cool down to room…

Quantitative Characterization of Surface Plasmon-Enhanced Electromagnetic Fields on Ag Nanostructures by Two-photon Photoemission Electron Microscopy

Lead Institution

University of Florida

Principal Investigator

Wei Wei

Project type

Large-Scale EMSL Research

Achieving a precise correlation between the localized optical properties and the local geometry of nanostructures will significantly advance the understanding of the nature and origin of nano…

Correlation of Composition, Microstructure, and Strain at InGaN/GaN Interfaces with Optoelectronic Properties of III-Nitride-Based Light-Emitting Diodes

Lead Institution

Carnegie Mellon University

Principal Investigator

Lisa Porter

Project type

Large-Scale EMSL Research

In the proposed research we seek to address critical materials issues in GaN-based light emitting diodes (LEDs) for future solid-state lighting applications. Solid-state lighting has enormous…

Designing Nanomaterials for Fuel Cells Electrocatalysts

Lead Institution

Washington State University

Principal Investigator

Yuehe Lin

Project type

Large-Scale EMSL Research

Fuel cells are very important in addressing the issues with environment and global climate change. The main challenges for developing fuel cells are the prohibitive production cost and poor…

Toxoplasma Gondii Developmental Biology: A Correlative Transcriptome Proteome Approach

Lead Institution

Yeshiva University, Albert Einstein College of Medicine

Principal Investigator

Louis Weiss

Project type

Large-Scale EMSL Research

The Apicomplexa include most of the major protozoan pathogens of humans and animals, such as Plasmodia (malaria), Babesia, Theileria, Cryptosporidia, Cyclospora, Neospora, Eimeria, and Isospora. Of…

Membrane Receptor-Directed Nanomaterial-Cell Interactions

Lead Institution

University of Montana

Principal Investigator

Andrij Holian

Project type

Large-Scale EMSL Research

The global market for nanotechnology is expected to grow to ~$3 trillion by 2015 and with the increased fabrication and usage of nanomaterials the potential for exposure of nanotechnology workers and…

A Joint Experimental and Computational Investigations of U(VI) Excited States in Uranyl Compounds Relevant to U(VI) Remediation At DOE Sites

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Zheming Wang

Project type

Large-Scale EMSL Research

Actinides widely exist in natural resources such as mines, atmosphere, and underground water, and in man-made radioactive nuclear wastes from nuclear power plants and weapons production. Particularly…

Integrated Modeling and Experimental Evaluation of Hydrodynamic and Microbial Controls on DNAPL Dissolution and Detoxification

Lead Institution

Michigan Technological University

Principal Investigator

Eric Seagren

Project type

Large-Scale EMSL Research

Tetrachloroethene (PCE) and trichloroethene (TCE) are among the most common organic subsurface contaminants at DOE and many other contaminated sites. In situ bioremediation of aqueous-phase PCE and…