Sentences with phrase «nanocrystals at»

X-ray crystallography and ultraviolet spectroscopy provide additional detailed evidence about the internal structure of the nanocrystals at the atomic level.

A team of Lehigh University engineers have demonstrated a bacterial method for the low - cost, environmentally friendly synthesis of aqueous soluble quantum dot (QD) nanocrystals at room temperature.

Not exact matches

A nanoparticle (or nanopowder or nanocluster or nanocrystal) is a microscopic particle with at least one dimension less than 100 nm.

Philippe Walter of the C2RMF, lead author of the report, says he has not studied what happens to hair dyed with Grecian Formula, but he suspects nanocrystals are also at work.

Professor Shangchao Lin, who led the research at Florida State University, said: «Our findings also show that the perovskite nanocrystals emit light extremely quickly and are very energy efficient.

Researchers at UC Santa Cruz attacked this problem by focusing on perovskite nanocrystals, in which the instability problems are magnified by the large surface area of the particles relative to their volume.

The peculiar locomotion could also help grow layered nanocrystals, which are used in electronics and drug delivery, says team member Alex Zettl, also at Berkeley.

Danylo Zherebetskyy and his colleagues at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) found unexpected traces of water in semiconducting nanocrystals.

The nanowire path beyond the superconductor is configured into a junction and the team ensures that the electrons take separate directions when they meet this fork by placing a «gate» built from a nanocrystal, called a quantum dot, at the head of each path.

«The use of these upconverting nanocrystals is quite clever and highly enabling,» says Jennifer Lewis, a professor of biologically inspired engineering at Harvard University who was not involved in the research.

Dragomir Neshev at the Australian National University in Canberra and his colleagues have shown that the nanocrystals can emit the absorbed infrared energy within the visible spectrum — a property called second harmonic generation.

Researchers at CNRS, CEA and the Université Grenoble Alpes propose an efficient alternative using semi-conductor nanocrystals (also called quantum dots) based on cheaper and less toxic elements, such as copper, indium and sulfur.

In work led by professor Yanliang Zhang at Boise State University, high - performance and low - cost flexible thermoelectric films and devices were fabricated by an innovative screen - printing process that allows for direct conversion of nanocrystals into flexible thermoelectric devices.

For example, he co-invented a widely used technique for locating impurity atoms in nanocrystals and published the first observation of dislocation kinks, at atomic resolution.

Researchers at the U.S. Naval Research Laboratory (NRL) Center for Computational Materials Science, working with an international team of physicists, have revealed that nanocrystals made of cesium lead halide perovskites (CsPbX3), is the first discovered material which the ground exciton state is «bright,» making it an attractive candidate for more efficient solid - state lasers and light emitting diodes (LEDs).

Researchers at Berkeley Lab have developed a new materials recipe for a battery - like hydrogen fuel cell that shields the nanocrystals from oxygen, moisture, and contaminants while pushing its performance forward in key areas.

Now, Rosso and teams at PNNL, EMSL, the Environmental Molecular Sciences Laboratory, a DOE Office of Science User Facility at PNNL, and the University of Pittsburgh developed a new approach by combining an environmental transmission electron microscope, called an ETEM, with nanocrystal force probes that allows scientists to watch crystals interact in a life - like situation.

Materials scientist Dongsheng Li will use sophisticated microscopes to take a close look at how nanocrystals less than one - thousandth the width of a human hair assemble into branched structures while the process is taking place.

The Nitrogen - Vacancy defect (NV centre) in diamonds and diamond nanocrystals (nanodiamonds) provides a unique alternative for DNP as the NV centre electron spin can be optically polarized to over 90 % polarization at room temperature by short laser pulses.

They discovered that by coating blue LEDs with a layer of nanocrystals specially engineered to turn the blue light into warm white, they could produce light at efficiency of over 300 lumens of visible light per watt.

Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a new, environmentally stable solid - state hydrogen storage material constructed of Mg nanocrystals encapsulated by atomically thin and gas - selective reduced graphene oxide (rGO) sheets.

Via Press Release More on LEDs: Big LED Breakthrough at Purdue University Could Change the World Nanocrystal Coating = White LED Big Breakthrough?