Search results for ws2

Materials Science Jan 12, 2018

Fast-moving electrons create current in organic solar cells

Researchers at Purdue University have identified the mechanism that allows organic solar cells to create a charge, solving a longstanding puzzle in physics, according to a paper published Friday (Jan. 12) in the journal Science ...

Materials Science Nov 6, 2017

Gold nanoparticles enhance light emissions from tungsten disulphide

NUS physicists have discovered that gold nanoparticles can enhance light emissions from tungsten disulphide (WS2) flakes and reveal minute changes in the material composition.

Nanophysics Oct 19, 2017

Team clarifies valley polarization for electronic and optoelectronic technologies

An interdisciplinary team of scientists at the U.S. Naval Research Laboratory (NRL) has uncovered a direct link between sample quality and the degree of valley polarization in monolayer transition metal dichalcogenides (TMDs). ...

Nanophysics Mar 15, 2017

Quantum movement of electrons in atomic layers shows potential of materials for ele

Common sense might dictate that for an object to move from one point to another, it must go through all the points on the path.

General Physics Mar 9, 2017

New way to tune electronic energy levels may lead to valleytronic devices

Faster, more efficient data storage and computer logic systems could be on the horizon thanks to a new way of tuning electronic energy levels in two-dimensional films of crystal, discovered by researchers at MIT.

Condensed Matter Jan 4, 2017

Novel monolayer ferroelectric hybrid structures

Scientists at the U.S. Naval Research Laboratory (NRL), Materials Science and Technology Division, have demonstrated that the intensity and spectral composition of the photoluminescence emitted from a single monolayer of ...

Nanomaterials Nov 29, 2016

Interactions in designer materials unveiled

The fascinating properties of graphene—a single layer of carbon atoms—have been widely celebrated. Not only does graphene exhibit remarkable physics, it also shows great promise for new applications, like flexible display ...

Materials Science Sep 26, 2016

Recycling cancer-fighting tools: Researchers working to produce vital radioisotopes at a cheaper cost

According to the World Nuclear Association, more than 10,000 hospitals worldwide use radioisotopes in medicine. Molybdenum-99, the parent isotope of technetium-99m, is the most widely used radioisotope for the diagnosis and ...

Nanophysics Sep 26, 2016

Single photon light emitting diodes for on-chip integration

Researchers from the Graphene Flagship use layered materials to create an all-electrical quantum light emitting diodes (LED) with single-photon emission. These LEDs have potential as on-chip photon sources in quantum information ...

Optics & Photonics Aug 10, 2016

Photonic hypercrystals drastically enhance light emission in 2D materials

Researchers have developed a method for achieving an order-of-magnitude enhancement of the light emission from a class of two-dimensional (2D) materials called transition metal dichalcogenides (TMDs). The large light enhancement ...

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