Sentences with word «nanocrystals»

The technology is made of an electrochromic material composed of nanocrystals of indium tin oxide embedded in a glassy matrix of niobium oxide.

«Weak magnetic fields in nanocrystals don't just play a role in paleomagnetism.

The result is CdS semiconductor nanocrystals with associated size - dependent band gap and photoluminescent properties.

The Los Alamos nanotechnology team originally discovered the lasing effect in semiconductor nanocrystals in 2000.

Zhang's lab is exploring the use of perovskite nanocrystals in sensors to detect specific chemicals.

For instance, the colors in medieval stained glass windows result from nanocrystals created in the heating and cooling of the glass.

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.

Hairy Solar Panels Could Result From Nanowire Breakthrough Nanocrystal Coating = White LED Big Breakthrough?

However, realizing the full catalytic potential of cobalt oxide nanocrystals requires a better understanding of the individual events in the four - electron cycle of water oxidation.

Empa researchers have succeeded in developing an environmentally friendly ink for 3D printing based on cellulose nanocrystals.

The collaboration with high - tech startup company ThermoAura, focusing on nanocrystal synthesis, also contributed to the success of this work.

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).

A City College of New York led - team has successfully demonstrated how to both enhance light emission and capture light from metamaterials embedded with light emitting nanocrystals.

Foley holds a U.S. patent for nanocrystal dispersed amorphous alloys.

Using an engineered strain of Stenotrophomonas maltophilia to control particle size, Lehigh researchers biosynthesized quantum dots using bacteria and cadmium sulfide to provide a route to low - cost, scalable and green synthesis of CdS nanocrystals with extrinsic crystallite size control in the quantum confinement range.

The dyes that Moghe and his team are developing encapsulate rare - earth nanocrystals in a shell of human serum albumin.

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.

Berkeley Lab reports, «The material is a thin coating of nanocrystals embedded in glass that can dynamically modify sunlight as it passes through a window.

Synthesis of Luminescent Near - Infrared AgInS2 Nanocrystals as Optical Probes for In Vivo Applications Liwei Liu, Rui Hu, Indrajit Roy, Guimiao Lin, Ling Ye, Jessica L. Reynolds, Jianwei Liu, Jing Liu, Stanley A. Schwartz, Xihe Zhang, Ken - Tye Yong Theranostics 2013; 3 (2): 109 - 115.

A team of researchers has synthesized a highly active and durable class of electrocatalysts by exploiting the structural evolution of solid Pt - Ni bimetallic nanocrystals into porous cage - like structures or nanoframes.

«You need several control samples — a PbS nanocrystal with lead oxide precursor and another precursor that does not involve water during synthesis,» he says.

Right: (A) Hologram of a magnetite nanocrystal chain released from a magnetotactic bacterium, and (B) corresponding magnetic induction map.

Plasmon - Enhanced Photocatalytic CO2 Reduction Using Colloidal Nanocrystals E. Creel, Y. Kim, E. Corson, F. Qiu, R. Kostecki, J. J. Urban, and D. McMloskey

So far, the researchers have created nanocrystals in nine different colors, but it should be possible to create many more, Doyle says.

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.

These so - called nanocrystal quantum dots, however, have a coating of organic molecules that tends to block out the electrons needed to stimulate the dots.

Paul Alivisatos and Peter Schultz, of the Molecular Design Institute at Lawrence Berkeley National Laboratory in California, use DNA to direct the design of gold nanocrystals.

Ultra-thin nanocrystal films convert infrared into visible light — and could be incorporated into standard glasses

«We believe that the fundamental aspects of these findings — that crystal structures can greatly influence luminescence properties — could allow upconversion nanocrystals to eventually outperform conventional fluorescent biomarkers,» says Liu.

Researchers in China have developed tiny nanocrystals that could be used in the next generation of medical imaging technologies to light up cancer cells.

The team demonstrated that this hybrid device enhances the collection efficiency of single photons by more than a factor of 10 compared to a single nanocrystal without the antenna, without the need for complex and bulky optical collection systems used in many other experiments.

This combined nanocrystals - nanoantenna device was able to produce a highly directional stream of single photons all flying to the same direction with a record low divergence angle.

Before this result, nanocrystal lasers needed their own superpowerful laser to get them going, says chemist Todd Krauss of the University of Rochester.

«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.

«The direct growth of anchored MoSoy nanocrystals on graphene sheets may enhance the formation of strongly coupled hybrid materials with intimate, seamless electron transfer pathways, thus accelerating the electron transfer rate for the chemical desorption of hydrogen from the catalyst, further reducing the energy required for the reaction to take place,» Sasaki said.

Voxtel's taggants are based on quantum dots — semiconductor nanocrystals less than 50 atoms across.

He led the team which conceived the first application of X-ray free - electron lasers (XFEL) to structural biology using protein nanocrystals and he pioneered femtosecond serial crystallography.

Each thread of spider silk is a composite of semi-amorphous α - chains and β - pleated nanocrystals [43].

Using nitrogen — vacancy centres in diamond nanocrystals (nanodiamonds), we directly measure the local thermal environment on length scales as short as 200 nanometres.

«Biomanufacturing of CdS quantum dots: A bacterial method for the low - cost, environmentally - friendly synthesis of aqueous soluble quantum dot nanocrystals.»

Experiments revealed that the isolated Yb «energy clusters» inside this pill - shaped nanocrystal (see image) enabled substantially higher dopant concentrations than usual — Yb accounted for up to 98 per cent of the crystal's mass — and helped initiate multiphoton upconversion that yielded violet light with an intensity eight times higher than previously seen.

Other forms of quantum dots could be used as a sensor in place of the molecule, such as those that can be realized with semiconductor materials: one example would be quantum dots made of nanocrystals like those already being used in fundamental research.

M.H. Nielsen et al., Investigating Processes of Nanocrystal Formation and Transformation via Liquid Cell TEM, Microscopy and Microanalysis, 20 (2), 425 - 436, DOI: 10.1017 / S1431927614000294, (2014).

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.