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Current Nanocrystals News and Events

Current Nanocrystals News and Events, Nanocrystals News Articles.
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Breaking down stubborn cellulose in time lapse
Researchers at Graz Unversity of Technology in Austria have for the first time ever succeeded in visualizing at the single-molecule level the processes involved in a biological nanomachine, known as the cellulosome, as it degrades crystalline cellulose. (2020-05-25)
Efficient, 'green' quantum-dot solar cells exploit defects
Novel quantum dot solar cells developed at Los Alamos National Laboratory match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on. (2020-05-18)
NMR confirms molecular switches retain function in 2D-array
Researchers led by Jiri Kaleta of IOCB Prague have synthesized regular 2D assemblies of isotopically labelled molecular switches and measured the properties of their isomerization, revealing that formation of such an assembly doesn't hamper the photochemical switching properties of the embedded molecules. (2020-05-13)
Antiferromagnetic fluoride nanocrystals
Recently, researchers from Peking University, Shenzhen University and National Institute for Materials Science (NIMS) report that the altered passivation of specified facets can direct the synthesis of fluoride nanocrystals into dimension-controlled products in a colloidal approach. (2020-05-12)
Scientists develop stable luminescent composite material based on perovskite nanocrystals
An international team of scientists that includes researchers from ITMO University has developed a new composite material based on perovskite nanocrystals for the purpose of creating miniature light sources with improved output capacity. (2020-04-27)
FSU researchers discover new structure for promising class of materials
Florida State researchers have published a new study in the journal Science Advances that explains how they created a hollow nanostructure for metal halide perovskites that would allow the material to emit a highly efficient blue light. (2020-04-24)
3D-printed corals provide more fertile ground for algae growth
Researchers have 3D-printed coral-inspired structures that are capable of growing dense populations of microscopic algae. (2020-04-09)
Tracking the atomic pathways by in-situ liquid cell TEM
Using the in-situ liquid cell transmission electron microscopy, the three-stage growth of Pt3Ni-Ni(OH)2 core-shell structures at the gas-liquid interfaces was clearly observed. (2020-04-08)
Printing complex cellulose-based objects
Researchers from ETH Zurich and the Swiss Federal Laboratories for Materials Science and Technology (Empa) have set a new world record: they 3D printed complex objects with higher cellulose content than that of any other additively manufactured cellulose-based parts. (2020-03-25)
The combination of plant-based particles and water forms an 'eco' super-glue
Plant-based cellulose nanocrystals have remarkable inherent properties, and when combined with water, a powerful adhesive is formed that competes in strength with Superglue, without the need for toxic solvents. (2020-02-24)
Platelets instead of spheres make screens more economical
ETH scientists have further developed QLED technology for screens. They have produced light sources that for the first time emit high-intensity light in only one direction. (2020-01-20)
An 18-carat gold nugget made of plastic
ETH researchers have created an incredibly lightweight 18-carat gold, using a matrix of plastic in place of metallic alloy elements. (2020-01-10)
Science snapshots
This edition of Science Snapshots highlights an investigational cancer drug that targets tumors caused by mutations in the KRAS gene, a new library of artificial proteins that could accelerate the design of new materials, and the natural toughening mechanism behind adult tooth enamel. (2019-12-23)
Big step in producing carbon-neutral fuel: Silver diphosphide
A new chemical process described in the journal Nature Communications does in the lab what trees do in nature -- it converts carbon dioxide into usable chemicals or fuels. (2019-12-16)
Researchers discover new way to split and sum photons with silicon
A team of researchers at The University of Texas at Austin and the University of California, Riverside have found a way to produce a long-hypothesized phenomenon -- the transfer of energy between silicon and organic, carbon-based molecules -- in a breakthrough that has implications for information storage in quantum computing, solar energy conversion and medical imaging. (2019-12-02)
Making higher-energy light to fight cancer
Researchers have achieved photon up-conversion, the emission of light with energy higher than the one that excites the material, using carefully designed structures containing silicon nanocrystals and specialized organic molecules. (2019-12-02)
Armored with plastic 'hair' and silica, new perovskite nanocrystals show more durability
Researchers at the Georgia Institute of Technology have demonstrated a novel approach aimed at addressing the perovskite's durability problem: encasing the perovskite inside a double-layer protection system made from plastic and silica. (2019-11-29)
Balancing elementary steps for boosting alkaline hydrogen evolution
Recently, Professors Jin-Song Hu and Li-Jun Wan from Institute of Chemistry, Chinese Academy of Sciences and their collaborators designed the nanocrystals with tunable Ni/NiO heterosurfaces to target Volmer and Heyrovsky/Tafel steps in the alkaline hydrogen evolution reaction (HER) and discovered that such bicomponent active sites on the surface should be balanced for promoting HER performance. (2019-11-18)
Kick-starting Moore's Law? New 'synthetic' method for making microchips could help
Researchers at Johns Hopkins University have developed a new method for producing atomically-thin semiconducting crystals that could one day enable more powerful and compact electronic devices, according to their paper published today in Nature Nanotechnology. (2019-11-18)
Promising discovery could lead to a better, cheaper solar cell
McGill University researchers have gained tantalizing new insights into the properties of perovskites, one of the world's most promising materials in the quest to produce a more efficient, robust and cheaper solar cell. (2019-10-31)
FEFU and FEB RAS scientists are close to Integrate Silicon Electronics and Spintronics
Scientists from Far Eastern Federal University (FEFU) and the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS) developed the nanoheterostructure consisted of a nanocrystal magnetite film (Fe3O4) covering a silicon substrate with an additional layer of silicon oxide (SiO2/Si). (2019-10-23)
Single-particle spectroscopy of CsPbBr3 perovskite reveals the origin low electrolumine
Researchers from Tokyo Institute of Technology (Tokyo Tech) used the method of single-particle spectroscopy to study electroluminescence in light-emitting devices. (2019-10-09)
Using nature to produce a revolutionary optical material
An international team of researchers has reported a new way to safeguard drones, surveillance cameras and other equipment against laser attacks, which can disable or destroy the equipment. (2019-09-05)
Stanford scientists create artificial catalysts inspired by living enzymes
Stanford researchers have made a significant advance in the development of artificial catalysts for making cleaner chemicals and fuels at an industrial scale. (2019-08-05)
Synthesizing single-crystalline hexagonal graphene quantum dots
A KAIST team has designed a novel strategy for synthesizing single-crystalline graphene quantum dots, which emit stable blue light. (2019-08-02)
Chameleon-inspired structural color soft robot can interact with environment
A novel structural color soft robot with both color-changing and locomotion capabilities has been developed by a research team led by Dr. (2019-07-31)
New Record: PLQE of 70.3% in lead-free halide double perovskites
A series of bulk lead-free mixed Bi-In halide double perovskites: Cs2AgBi1-xInxCl6 (0 < x < 1) breaks the parity-forbidden transition and retains direct band gap structure, having warm-white light emission, with photoluminescence quantum efficiency (PLQE) of 70.3%, much higher than the PLQE of reported lead perovskite materials. (2019-07-22)
New laws of attraction: Scientists print magnetic liquid droplets
Scientists at Berkeley Lab have made a new material that is both liquid and magnetic, opening the door to a new area of science in magnetic soft matter. (2019-07-18)
Researchers discover semiconducting nanotubes that form spontaneously
EPFL researchers have discovered a way of making semiconducting, photoluminescent nanotubes form spontaneously in liquid solutions. (2019-07-08)
On the way to nanotheranostics
Nanotheranostics is a cutting-edge field of medicine that uses nanoparticles to simultaneously diagnose and treat diseases. (2019-07-08)
Researchers explain visible light from 2D lead halide perovskites
Researchers led by an electrical engineer from the University of Houston have reported solving a lingering question about how a two-dimensional crystal composed of cesium, lead and bromine emitted a strong green light, opening the door to designing better light-emitting and diagnostic devices. (2019-06-24)
University of Konstanz researchers create uniform-shape polymer nanocrystals
Researchers from the University of Konstanz's Collaborative Research Centre (CRC) 1214 'Anisotropic Particles as Building Blocks: Tailoring Shape, Interactions and Structures' successfully generate uniform-shape nanocrystals using direct polymerization (2019-06-13)
Understanding the (ultra-small) structure of silicon nanocrystals
New research provides insight into the structure of silicon nanocrystals, a substance that promises to provide efficient lithium ion batteries that power your phone to medical imaging on the nanoscale. (2019-06-06)
Why deep-sea dragonfish have transparent teeth
Off the coast of San Diego, 500 meters under the sea, pencil-sized sea monsters grin pitch-black smiles because their mouths are filled with transparent teeth. (2019-06-05)
New substance can form in the OA process of crystal growth, new study reveals
Chinese scientists from the Institute of Solid State Physics (ISSP) under the Hefei Institutes of Physical Science of the Chinese Academy of Scienceshave revealed that a new substance can form during the oriented attachment (OA) process of crystal growth, which may shed new light on the microscopic mechanism of crystal growth. (2019-05-29)
Researchers develop viable, environmentally-friendly alternative to Styrofoam
Washington State University researchers have developed an environmentally-friendly, plant-based material that for the first time works better than Styrofoam for insulation. (2019-05-09)
Squeezed nanocrystals: A new model predicts their shape when blanketed under graphene
In a collaboration between the US Department of Energy's Ames Laboratory and Northeastern University, scientists have developed a model for predicting the shape of metal nanocrystals or 'islands' sandwiched between or below two-dimensional (2D) materials such as graphene. (2019-04-05)
From foam to bone: Plant cellulose can pave the way for healthy bone implants
Researchers from the University of British Columbia and McMaster University have developed what could be the bone implant material of the future: an airy, foamlike substance from plant cellulose that can be injected into the body and provide scaffolding for the growth of new bone. (2019-03-19)
Nanocrystal 'factory' could revolutionize quantum dot manufacturing
A new system for synthesizing quantum dots across the entire spectrum of visible light drastically reduces manufacturing costs, can be tuned on demand to any color and allows for real-time process monitoring to ensure quality control. (2019-03-15)
When a defect might be beneficial
Rohan Mishra, assistant professor of mechanical engineering & materials science in the McKelvey School of Engineering, led a widespread team of researchers -- including at Washington University, at Oak Ridge National Laboratory in Tennessee and at the University of Missouri-Columbia -- that studied the structure and properties of the commonly occurring planar defects at the atomic scale, which spans only a few tenths of a nanometer. (2019-02-19)
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