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Light emitting diode comprising an active layer of engineered quantum dots (QDs) contacted by electron (bottom) and hole (top) transport/injection layers.May 2014Science Highlights

Improving Quantum Dot Light Emitting Diodes: One Step Closer to Lighting Up Your Room

Nanoscale engineering boosts the performance of quantum dot light emitting diodes. Read More »

A single photon is absorbed by a pair of pentacene molecules to generate an energetically excited state consisting of a bound electron-hole pair (i.e., a singlet exciton) and involving the electron orbitals of both pentacene molecules (shown on the left).April 2014Science Highlights

Two-for-One Deal for Photovoltaics

Process doubles photocurrent from visible sunlight in organic solar cells. Read More »

Schematic of mechanism for generating a magnetic field.October 2013Science Highlights

Spinning a New Type of Magnetic Field

Harnessing the spins of electrons in a new way - enabling efficient magnetic switching and holding promise for spintronic devices. Read More »

The visible light emission from a polymer film containing platinum atoms has been tuned by adjusting the spacing of the platinum atoms in the polymer chain.September 2013Science Highlights

Towards Truly White LED Lighting

Adding platinum atoms tunes the color of emitted light. Read More »

Image shows the “stripes” (the alternating yellow and blue regions) of electronic charge alignment found in a ferroelectric thin film.September 2013Science Highlights

Towards Understanding Electronic Switching in Magnets

Researchers have invented a new x-ray imaging technique that could reveal key atomic-scale properties in ferroelectric magnetic materials. Read More »

Measured phase diagram for the three solid phases of vanadium oxide (VO2): metallic (golden), insulating M1 (grey), and insulating M2 (purple).September 2013Science Highlights

Fundamental New Insight Into Material for Optical-Switching

A triple point, where three different atomic structures coexist simultaneously, has been uncovered in vanadium dioxide. Read More »

Data points indicating the strength of long-range charge order (top) show that the static stripe order disappears at 240 K, while the data related to short-range dynamic correlations (bottom) show a gradual decay at much higher temperatures.September 2013Science Highlights

The Role of Stripes in Superconducting Behavior

Using neutron diffraction, movement of charged atoms arranged as “stripes” was captured for the first time. Read More »

Scanning tunneling microscopy (STM) experiments have been used to visualize the formation of composite particles called “heavy electrons” with the lowering of temperature.July 2013Science Highlights

Visualizing the Onset of “Heavy Electron” Superconductivity

Electrons can behave as if they are a hundred times heavier than free electrons and superconducting. Read More »

Scanning electron micrograph of a new solid electrolyte material (lithium thiophosphate) showing its surface morphology and the nanoscale porosity which are responsible for its high ionic conductivity; Inset shows its crystal structure.July 2013Science Highlights

New Materials for High-Energy, Long-Life Rechargeable Batteries

Using sulfur-rich, highly ionic compounds as cathodes and electrolytes enables solid-state lithium-sulfur rechargeable batteries. Read More »

The structure of the iron MOF showing iron (orange), nitrogen (blue), and carbon (gray) atoms, as viewed along the triangular channels.July 2013Science Highlights

Fewer Steps to Higher Octane Gasoline in Petroleum Refining

A novel metal-organic framework (MOF) efficiently separates higher octane components from the low value ones, offering great potential for significant cost reduction in gasoline production. Read More »

Last modified: 10/8/2013 4:06:58 PM