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August 24, 2016
Defects, Electrons, and a Long-Standing Controversy
Defects, Electrons, and a Long-Standing Controversy
Departures from regularity—defects and imperfections—in materials are the key to their novel properties, and control over the type,
August 19, 2016
Breathable and Stretchable Protein Wafers
Breathable and Stretchable Protein Wafers
Two-dimensional (2D) crystalline materials possess unique structural, mechanical, and electronic properties that make them highly attractive in
August 19, 2016
Fast and Furious Bucket Brigade
Fast and Furious Bucket Brigade
Proton transport is important in biology and energy technology. Rapid proton transport is achieved through protons hopping along water molecules
August 17, 2016
Determining Real Molecules in Operating Batteries
Determining Real Molecules in Operating Batteries
For the first time, researchers led by the Joint Center for Energy Storage Research have directly observed structural and chemical information at
August 17, 2016
“High-Occupancy” Vehicle (HOV) Battery
“High-Occupancy” Vehicle (HOV) Battery
Batteries are composed of two electrodes, an anode (positive charge) and a cathode (negative charge), separated by an electrical insulator. As the
August 7, 2016
Finding Where the Missing Proton Goes in Water
Finding Where the Missing Proton Goes in Water
Electrically charged molecules or atoms, called ions, are the key species formed when salts (such as NaCl or table salt) or acids (such as acetic
August 7, 2016
Unmasking the Molecule
Unmasking the Molecule
The arrangement of atoms and bonds in a molecule influences its physical and chemical properties. With this in mind, a number of techniques have
August 7, 2016
The Controlling Light
The Controlling Light
Researchers at JILA, a joint research institute of the University of Colorado and the National Institute of Standards and Technology, have
August 5, 2016
New X-Ray Matter Interaction Observed at Ultra-High Intensity
New X-Ray Matter Interaction Observed at Ultra-High Intensity
The basis for atomic‐scale structure determination involves the scattering of single x‐ray photons, one at a time, from the electrons that make up
August 5, 2016
Photoelectrodes Revealed!
Photoelectrodes Revealed!
Photoelectrochemical cells use semiconductor photoelectrodes to convert energy directly from sunlight into storable chemical fuels. Semiconductor
August 5, 2016
Inducing Separation
Inducing Separation
Developing methods and technology to harness sunlight for energy is one of the most important tasks of researchers at the forefront of the energy
August 4, 2016
Nature-Inspired Nanotubes that Assemble Themselves, with Precision
Nature-Inspired Nanotubes that Assemble Themselves, with Precision
Scientists discovered a family of nature-inspired polymers that, when placed in water, spontaneously assemble into crystalline nanotubes. The
August 4, 2016
Making a One-Way Street for Electricity
Making a One-Way Street for Electricity
More than forty years after the original proposal of organic molecular diodes, the electrical performance of such devices remains several orders of
July 26, 2016
A New Family Member for 2D Nanomaterials
A New Family Member for 2D Nanomaterials
Scientists created a new form of hybrid organic-inorganic perovskites in atomically thin 2D sheets. These hybrid perovskites have shown promise as
July 26, 2016
Battery with a Built-in Bouncer
Only the Good Shall Pass: Battery with a Built-in Bouncer
The membrane separators in-between the electrodes of a redox-flow battery must allow the working ion to shuttle between the electrodes while
July 26, 2016
More Efficient Conversion of Water to Hydrogen Fuels
More Efficient Conversion of Water to Hydrogen Fuels
Biology assembles and uses discrete spaces such as organelles and protein-based compartments to localize and exquisitely control chemical processes
July 26, 2016
“Electrolyte Balloons” Make Rechargeable Batteries Safer
“Electrolyte Balloons” Make Rechargeable Batteries Safer
A common failure mechanism in lithium-metal batteries is the growth of tree-like lithium metal dendrites, resulting in short-circuiting. The growth
July 26, 2016
Graphene Rewrites the Rules of Engagement
Graphene Rewrites the Rules of Engagement
Silicon has been successful because it is an electronically tunable semiconductor material that can be used in electronic devices. Graphene has
July 26, 2016
Novel Porous Materials
Novel Porous Materials Made from Flexible “Spaghetti-like” Molecules
It was believed that the scaffolding nature of MOFs could only be prepared from rigid starting materials. The preparation of such porous materials
July 26, 2016
Getting Light in Shape with Metamaterials
Getting Light in Shape with Metamaterials
This new concept involves arrays of optical nano-cavities called metamaterials, which are added to thin-layered semiconductors (heterostructures)
July 26, 2016
Atomic Blimp Stretches a Crystal
Atomic Blimp Stretches a Crystal
Scientists believed that changing only one dimension of the crystal lattice structure was impossible. Now researchers led by scientists from Oak
July 26, 2016
Next-Generation Electric Switches
Moving Beyond Semiconductors for Next-Generation Electric Switches
In the quantum mechanical phenomenon called resonant tunneling, electrons that are in a well-defined quantum well (or quantum state) can move to an
July 25, 2016
Modeling Sunlight Harvesting in Nanostructures
Modeling Sunlight Harvesting in Nanostructures
Scientists reviewed electronic structure calculations of light-driven processes in organic and semiconductor nanostructures. They also reviewed how
July 25, 2016
Super-ion-Building-Blocks-lrg
It's a Bird, It's a Plane, It's Super-ion Building Blocks
Solar cell performance of hybrid perovskites has improved from under 4% efficiency in 2009 to over 20% efficiency today. However, perovskite
July 25, 2016
Superacid treatment of semiconductors
Coming to a Monitor near You: Notorious “Perfection”
The photoluminescence efficiency is characterized by the ratio of light emitted to the amount of energy deposited into the system. For advanced