Science Highlights

Recent experimental and theoretical studies of heat transport through a periodic stack of thin films known as a superlattice show that a portion of the thermal energy carriers maintain wave-like properties while traversing through the nanostructure.

An Unexpected Heat Wave

Observation of wavelike heat conduction reveals new possibilities for tailoring thermal transport through wave effects. Read More »

Illustration of multiple exciton generation (MEG) with a singlet exciton (S1)...

Double the Charge from One Photon in Organic Photovoltaics

First observation of key intermediate state in the conversion of one photon to two electrons. Read More »

An electrolyte molecule (ethylene carbonate: C3H4O3) weakly binds (dashed line) to the positive electrode surface (Li0.6Mn2O4)...

Understanding Nature’s Choreography in Batteries

Charge-discharge chemistry for lithium ion batteries elucidated by theoretical calculations. Read More »

Overall structure of 6-P-β-glucosidase and its comparison with 6-P-β-galactosidase.

Breaking Down Enzymes’ Role in Biofuel Production

Molecular structures provide insights into biomass deconstruction. Read More »

Scanning electron microscopy of conductive carbon fibers coated with metal oxide nanowires...

Nano-Composite Designs for Energy Storage

Nano-porous metal oxide coatings on carbon fiber dramatically enhance the electrical storage capacity for supercapacitors. Read More »

Crystal structure of CoSb3(1-x)Ge1.5xTe1.5x

Making the Right Substitution for Better Thermoelectrics

Exploiting the self-organizing nature of atoms to block heat transfer and improve thermal-to-electrical energy conversion. Read More »

New conjugated polymers absorb the rainbow of sunlight.

Absorbing More of the Rainbow with Polymer-Based Organic Photovoltaics

Using newly synthesized polymers results in enhanced light harvesting capabilities and an unprecedented generation of photocurrent. Read More »

Schematic figure of solid-electrolyte interphase (SEI) layer formed during the first charging cycle illustrating a interphase layer comprised predominantly of a mixture of lithiumethylene dicarbonate (LEDC) and lithium fluoride (LiF).

Revealing the Illusive Interphase in Lithium Ion Batteries

Structure and composition of the Solid Electrolyte Interphase in lithium ion batteries was investigated via a unique combination of microscopy and spectroscopy. Read More »

Depiction of superionic phase of copper (blue) diffusing through the sulfur (yellow) sublattice.

Watching Ions Hop in Next Generation Battery Materials

Atomic-Scale, femtosecond time-scale measurements unravel the atomistic pathways and speed limits for copper migration through a nanocrystal. Read More »

Illustration of infinitely long one-dimensional microporous channels (blue arrow) within the metal-organic framework...

Notorious Insulators Are Made Conductive

New porous, electrically conductive materials have potential uses in full cells, batteries, and solar photovoltaics. Read More »