News Archives

The new beamline connecting the Continuous Electron Beam Accelerator Facility accelerator to its newest experimental area, Hall D, was christened with beam on May 7.06.01.14Science Highlights

New Science on the Horizon as Upgraded Particle Accelerator Meets Commissioning Milestones

The recently upgraded CEBAF accelerator delivers its highest-energy electron beams into a new experimental complex for the first time. Read More »

Quantum Tunneling Affects Engine Performance.06.01.14Science Highlights

Quantum Tunneling Affects Engine Performance

Understanding fundamental chemistry is important for accurate engine modeling. Read More »

Scanning Tunneling Microscope Image Showing Atomically Dispersed Palladium Atoms in a Copper Surface.06.01.14Science Highlights

Isolated Palladium Atoms Allow Highly-Selective Catalysis of Hydrogenation Reactions

Single palladium atoms convert the surface of an inexpensive metal into an ultra-selective hydrogenation catalyst. Read More »

Comparing the performance of palladium clusters of different sizes for water oxidation; (inset) calculated structure of the Pd6O6 cluster (red = oxygen, grey = palladium), a catalytic site for the reaction.06.01.14Science Highlights

Palladium Cluster Size Matters

Groups of Palladium atoms found to have major effects on electrocatalyst performance. Read More »

Focal series high-resolution transmission-electron microscope (TEM) image (here, for disordered 1.2-1.5 nm NPs) and histogram for fraction of ordered NPs versus size, where NPs > 2.5 nm were all observed to be ordered.06.01.14Science Highlights

Nanoparticles: To Be or Not to Be Crystalline?

Discovery of coexisting ordered and disordered catalytic nanoparticles. Read More »

Left: Fluorescent image of two polystyrene particles positioned at the north and south poles of a liquid crystal droplet. Right: Simulation of particle adsorption; region of disorder within droplets coincides exactly with the particle positions at the poles.06.01.14Science Highlights

Cell-like Decoration of “Gooey” Surface

Precise, predictable positioning of nanoparticles on a liquid crystal droplet. Read More »

Sequentially deposited green, orange, and red-emitting quantum dots serve as sensitizers within the titanium oxide film to render a rainbow architecture for harvesting photons from sunlight.06.01.14Science Highlights

Tuning Into the Right Wavelength: Quantum Dot Rainbow Increases Solar Cell Efficiency

Layers of quantum dots Form “rainbow architecture” that enhances light absorption in a solar cell. Read More »

EPR spectra (A) with generated with isotope labeled tyrosines show that a tyrosine radical (B) is cleaved to form an oxobenzyl radical (C) as an intermediate in forming the CO and CN Fe ligands in FeFe hydrogenase.06.01.14Science Highlights

Totally Radical: Unique Chemistry Needed to Make a Biological Hydrogen Catalyst

Key steps revealed in assembling the active site of a hydrogen-generating catalyst in bacteria. Read More »

Color map (left) reconstructed image showing the direction of magnetization and the stray magnetic fields in and around a cobalt nanospiral (color wheel indicates magnetization direction) that is only 20 nm in diameter (images taken using high resolution Lorentz microscopy), and (right) tomographic reconstruction showing the 3D shape of the nano-spiral.06.01.14Science Highlights

Magnetic Structure of Sculpted Nanospirals

Direct visualization of magnetic structures gives researchers a window into new possibilities at the Nanoscale. Read More »

Production of hydrogen through the water-gas shift reaction on Pt-CeOx interfaces supported on titania.06.01.14Science Highlights

Stacking Metals for Better Catalysis: A New Type of Metal-Support Interaction

Designing a novel catalyst for the production of hydrogen. Read More »

Last modified: 11/20/2013 6:03:07 AM