Sentences with phrase «black phosphorus»

Scientists have developed an ultra-thin device, based on battery technology and made from layers of black phosphorus that are only a few atoms thick, that can power your smartphone, fitness tracker and other gadgets using human movements such as walking and waving.

A team at Osaka University in Japan has developed a new material based on gold and black phosphorus to harvest a broader spectrum of sunlight for water - splitting to produce hydrogen.

A research group led by Prof. Tetsuro Majima of the Institute of Scientific and Industrial Research at Osaka University announced in May 2017 that the photocatalyst they had developed with black phosphorus shows efficient hydrogen formation from water under both visible and near - infrared light.

The researchers demonstrated the new technique with black phosphorus as a base 2D atomic crystal material.

(Top right) Scanning transmission electron microscope of a black phosphorus flake immediately before and after exposure to air for one day.

Researchers disprove the idea that water degrades black phosphorus and find the material is actually hydrophobic

(Left) The layered molecular structure of black phosphorus.

Image Courtesy of the Institute for Basic ScienceResearchers at the Center for Multidimensional Carbon Materials (CMCM), within the Institute for Basic Science (IBS) have discovered that one of graphene's competitors, black phosphorus, is inert to water deprived of oxygen, ending the debate of whether water causes its degradation.

(Bottom right) A drop of water applied on the surface of freshly cleaved black phosphorus shows that the material is hydrophobic, but it becomes hydrophilic when oxidized in air.

Black phosphorus is the stable form of white phosphorus and gets its name from its distinctive color.

A hat tip to ScienceDaily for reprinting this news release from the Institute for Basic Science, Korea «Black Phosphorus (BP) Surges Ahead of Graphene ``:

The potential for this new improved form of black phosphorus is beyond anything the Korean team hoped for, and very soon it could potentially be applied to several sectors including engineering where electrical engineers can adjust the band gap and create devises with the exact behavior desired.

It's more efficient in its natural state than black phosphorus but it's difficult to open its band gap; therefore we tuned BP's band gap to resemble the natural state of graphene, a unique state of matter that is different from conventional semiconductors.»

Black phosphorus is the least reactive allotrope and the thermodynamically stable form below 550 °C (1,022 °F).

With Mira, the Blue Gene Q at ALCF and Sequoia, the Blue Gene Q at Lawrence Livermore National Laboratory, the researchers were able to obtain highly accurate calculations of binding between layers of black phosphorus both in a bilayer and in the bulk.

The nature of the binding between layers of black phosphorus was probed using the highly accurate many - body diffusion quantum Monte Carlo approach.

Phosphorene, a single layer of black phosphorus, is a two dimensional material whose direct semiconducting band - gap, high carrier mobility and sensitivity to strain make it promising for applications.

Their research, accepted by Chemistry of Materials, provides a more complete understanding of the role of molecular oxygen and water in the degradation of black phosphorus.

«Black phosphorus doesn't mind water (if it is de-aerated).»

Effects of air and water exposure on black phosphorus.

beta - GeSe's rare «boat» form is likely stabilized by the slightly smaller distance between its layers, while black phosphorus and alpha - GeSe exist in standard «chair» conformations.

Researchers at the Center for Multidimensional Carbon Materials (CMCM), within the Institute for Basic Science (IBS) have discovered that one of graphene's competitors, black phosphorus, is inert to water deprived of oxygen, ending the debate of whether water causes its degradation.

As such, a closely related material, black phosphorus, has been receiving intense research attention because it has a small band gap and a high charge carrier mobility, and can easily be reduced to nanometer thicknesses.

Furthermore, IBS researchers discovered that the surface of black phosphorus is actually hydrophobic, in contrast to previous experiments.

These results could open new pathways for exploring applications that require contact with aqueous solutions such as: Solution gating; electrochemistry; and solution - phase approaches for exfoliation, dispersion, and delivery of black phosphorus.

However, unlike graphene, black phosphorus has the advantage of having a tunable bandgap.

Under extreme pressure, black phosphorus is transformed into a simple cubic form, so the team wondered if the same could be done to GeSe and heated the abundant alpha - GeSe form of the compound to 1200 °C under 6 GPa of pressure or 60,000 times atmospheric pressure.

The researchers first demonstrated the new technique using black phosphorus as a base 2D atomic crystal material.

At present, phosphorene can only be obtained by mechanical and chemical exfoliation of black phosphorus, which is costly and produces low yields of uneven films.

«Our inkjet printing demonstration makes possible for the first time the scalable mass fabrication of black phosphorus based photonic and optoelectronic devices with long - term stability necessary for a wide range of industrial applications,» tells Professor Zhipei Sun at Aalto University in Finland.

But now comes competition: Such layers can also be formed by black phosphorus.

Some black phosphorus characteristics, such as the onset of optical absorption, were nearly unaffected in the calculations.

In the study, black phosphorus was also able to act as an efficient and highly - responsive detector of light, extending the wavelength range over which conventional silicon - based photodetectors can operate.

New black phosphorus inks are compatible with conventional inkjet printing techniques for optoelectronics and photonics.

«The comeback kid: Black phosphorus and its new potential.»

To combat this degradation, researchers have encapsulated black phosphorus with passive insulators, assuming that this containment did not affect its properties; however, Steven Louie, Diana Qiu and Felipe da Jornada wanted to determine whether this was theoretically true.

These findings indicate that the properties of black phosphorus could be tuned by enclosing it in the right way, opening many new possibilities for its use.

Black phosphorus is emerging as a promising 2D semiconductor material.

Black phosphorus can absorb and emit light in the visible through infrared spectrum, which is useful for sensors, communications and other applications.

Black phosphorus is a particularly interesting post-graphene nanomaterial for next generation photonic and optoelectronic devices.

The researchers» work demonstrated the benefits of their novel technique by inkjet printing devices that take advantage of the properties of black phosphorus, not least its semiconducting bandgap that can be readily varied by engineering the number of atomic layers and can cover the visible and near - infrared region of the electromagnetic spectrum.

When it was discovered over a century ago, black phosphorus was considered relatively useless.

A junction made of black phosphorus and tin selenide enables switching between the excitatory and inhibitory signals.

Like other interactions, electron - phonon interactions within atoms - thick crystals of black phosphorus are anisotropic and, once measured, have been used to predict the orientation of the crystal.

Now, a team including researchers at Rensselaer Polytechnic Institute (RPI) has developed a new method to quickly and accurately determine that orientation using the interactions between light and electrons within phosphorene and other atoms - thick crystals of black phosphorus.

Finally, the gold - covered LTO is mixed with ultrathin sheets of the element black phosphorus (BP), which acts as a light absorber.

Not exact matches

Black Rice or «forbidden rice» is rich in nutrients including iron, magnesium, manganese, potassium, phosphorus, zinc, molybdenum and selenium.

Black beans are a good source of folate, dietary fiber, protein, phosphorus, iron, copper, magnesium, manganese, potassium and vitamin K.

«Graphene gets competition as a semiconductor: Black arsenic - phosphorus: Layered semiconducting black arsenic phosphorus as an alternative to silicon.&rBlack arsenic - phosphorus: Layered semiconducting black arsenic phosphorus as an alternative to silicon.&rblack arsenic phosphorus as an alternative to silicon.»

A cooperation between the Technical University of Munich and the University of Regensburg on the German side and the University of Southern California (USC) and Yale University in the United States has now, for the first time, produced a field effect transistor made of black arsenic phosphorus.