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Research Highlights

Advanced Characterization and other new tools for Nanoscience and Technology

  • PNNL and FEI team to use new approach to rapidly obtain three dimensional information about elemental distribution in nanoparticles. The method was applied to a lithium-rich nickel-based material that could be part of tomorrow's batteries. The research team discovered how nickel was segregating on the material's surface. Part of a series of groundbreaking research involving nano-scale characterization of battery materials. This research was featured in Phys.Org.
  • A new review article that is part of a special issue of the Journal of Vacuum Science and Technology celebrating the 60th anniversary of the American Vacuum Society. A large group of researchers associated with EMSL has an invited article in this special issue, "Surface characterization of nanomaterials and nanoparticles: Important needs and challenging opportunities."
  • The Birth of nanoDESI
    New technique provides sensitive analysis of atmospheric particles
  • Scientific Stimulus Produces Results
    A cascade of opportunities are unleashed by one instrument, a novel idea, and EMSL's intramural program
  • The World's Smallest Flashlight?
    Scientists focus light beyond the diffraction limit, creating nanometer-sized light source

Carbon Nanotubes and Spheres

Catalysis and Photocatalysis

Energy Production and Storage

Environmental Fate and Transport

  • Fate and Transport of Titanium Dioxide in Freshwater Mesocosms: This project will characterize and quantify titanium dioxide (titania, TiO2) nanoparticles during flow through a bench-scale aquatic system composed of different environmental media (i.e., water, sediment, and benthic/sediment dwelling invertebrates) to monitor the fate and transport of the material. Nanomaterial partitioning and complexation in water, sediment, and tissue media will be characterized using inductively coupled plasma mass spectrometry and scanning electron microscopy with energy dispersive x-ray spectroscopy, respectively. The data sets derived from this work will build the foundation for future use in fate and transport of other nanomaterials in different aquatic systems (i.e., freshwater, estuarine, and marine) and in building both process and empirical models that can be used to investigate environmental fate and transport and the ecological impact of nanomaterials.
  • Fate, Transport and Transformation of silver nanoparticles in a Freshwater Mesocosm: This project will conduct static and flow-through, bench-scale mesocosm studies in order to investigate the chemical, physical and biological changes to silver nanoparticles in a riverine environment. A hydrodynamic model of the fate and transport of silver nanomaterial will be constructed on the basis of the information learned through these studies. The expected outcomes for the project are: 1) characterization of silver nanoparticles in Columbia River water and sediment; 2) evaluation of nanosilver bioaccumulation in benthic biota and changes to species diversity based on nanosilver dose; 3) predictive fate and transport model for nanosilver in a riverine system.

Environmental Use of Nanomaterials

Gold Clusters

Nanomaterials and Nanomaterials Systems Properties

Nanomaterials Synthesis

Nanoparticles and Biological Systems

Nanotoxicology

Oxide Nanomaterials

Self-Assembly—A nano-material platform

Sensors

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