Sentences with phrase «for nanocrystal»

Reaction setup for the nanocrystal synthesis in the presence of star - shaped block - co-polymer as nanoreactor.

Not exact matches

«The branching molecules are more cone - shaped, which increases steric hindrance and makes it harder for the solvent to access the surface of the nanocrystals,» he said.

«Novel capping strategy improves stability of perovskite nanocrystals: Study addresses instability issues with organometal - halide perovskites, a promising class of materials for solar cells, LEDs, and other applications.»

«Our hope is that this could be used not only for perovskite nanocrystals but also for bulk materials and thin films used in applications such as photovoltaics.»

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.

«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.

Cerium oxide nanocrystals have the ability to absorb and release oxygen ions — a chemical reaction known as reduction oxidation, or redox, for short.

«It could have significant implications for the way plants are bred or selected for improved or altered cellulose ultrastructural traits — which could impact industries ranging from cellulose nanocrystals to toiletries to structural building products.»

In the same way large antennas on rooftops direct emission of classical radio waves for cellular and satellite transmissions, the nano - antenna efficiently directed the single photons emitted from the nanocrystals into a well - defined direction in space.

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.

To achieve this, he used a nanocrystal sample produced from lead chloride instead of lead oxide, such that there was no way for water to be generated in the reaction with oleic acid.

For the future, Lin envisions more complex nanocrystals with multifunctional shells and additional shapes, including nanorods and so - called «Janus» nanoparticles that are composed of biphasic geometry of two dissimilar materials.

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

Empa researchers Gilberto Siqueira and Tanja Zimmermann from the Laboratory for Applied Wood Materials have now succeeded, together with colleagues from Harvard University and ETH Zürich, in developing a new, environmentally friendly 3D printing ink made from cellulose nanocrystals (CNC).

Earlier techniques for producing polymeric micelles with linear block co-polymers have been limited by the stability of the structures and by the consistency of the nanocrystals they produce, Lin said.

Using star - shaped block co-polymer structures as tiny reaction vessels, researchers have developed an improved technique for producing nanocrystals with consistent sizes, compositions and architectures — including metallic, ferroelectric, magnetic, semiconductor and luminescent nanocrystals.

The result brings the tiny flakes, called nanocrystals, a crucial step closer to fulfilling their promise of tailoring a laser's color just by changing the size of the crystal, which could lead to more powerful tools for detecting chemicals or sending information via flickers of light.

«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.

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

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.

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.

For example, nanocrystals prefer to become oriented along the same direction as the larger crystal before attaching, much like adding Legos.

Foreign researchers honored as the 31st KIA laureates include: Prof. Eric Vivier (France) for his research on harnessing innate immunity against cancer; Prof. Jianfang Wang (Hong Kong, China) for his research on Colloidal Plasmonic Metal Nanocrystals; Prof. Majed Chergui (Switzerland) for his research on unravelling the fundamentals of solar; Prof. Katharina Gaus (Australia) for her research on Single molecule imaging of T cell receptor signaling; and Prof. Dr. Burkhard Büdel (Germany) for his research on Role of lichens and cyanobacteria in biological soil crusts.

Summary: Forces between nanocrystals are the basis for many generic (e.g., random aggregation / assembly and rheology) and specific (e.g., oriented attachment) phenomena in slurries.

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.

Here's the notice for «High uniformity and improved nonlinearity by embedding nanocrystals in selector-less resistive random access memory» (free, but requires login): Continue reading Chip slip: Irreproducibility erases computer memory paper

-- «Cellulose Nanocrystal Cantilever Beam Array MEMS for Early Cancer Detection,» led by Dr. Virginia A. Davis, Department of Chemical Engineering.

A new Berkeley Lab - led study provides insight into how an ultrathin coating can enhance the performance of graphene - wrapped nanocrystals for hydrogen storage applications.

Berkeley Lab researchers have produced non-toxic nanocrystals that efficiently emit blue light, making them a bright candidate for solid - state lighting.

The team used the CZTS nanocrystal «ink» that results to build a photovoltaic solar cell (pictured) to «confirm that the material works and demonstrate that smaller nanocrystals display «quantum confinement,» a property that makes them versatile for different uses.»

Quantum dots, aka nanocrystals, is the TV buzzword for 2015, but Sony has been using the color - expanding technology to great effect for years.

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