Nanotechnology News – Latest Headlines

Polymer nanoreactors create uniform nanocrystals

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.

Jun 11th, 2013

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'Popcorn' particle pathways promise better lithium-ion batteries

Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate, findings that could lead to better performance in lithium-ion batteries in electric vehicles, medical equipment and aircraft.

Jun 11th, 2013

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Why the shape of nanoparticles matters

A new study found that the shape of nanoparticles can enhance drug targeting. According to this study, rod-shaped nanoparticles - or nanorods - as opposed to spherical nanoparticles, appear to adhere more effectively to the surface of endothelial cells that line the inside of blood vessels.

Jun 10th, 2013

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World's first large(wafer)-scale production of III-V semiconductor nanowire

The research team demonstrated a novel method to epitaxially synthesize structurally and compositionally homogeneous and spatially uniform ternary InAsyP1-y nanowire on Si at wafer-scale using metal-organic chemical vapor deposition (MOCVD). The high quality of the nanowires is reflected in the remarkably narrow PL and X-ray peak width and extremely low ideality factor in the InAsyP1-y nanowire/Si diode.

Jun 10th, 2013

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Nanotechnology explores the secret life of knots

Nanotechnologies require a detailed knowledge of the molecular state. For instance, it is useful to know when and how a generic polymer, a long chain of polymers (chain of beads), knots. The study of molecular entanglement is an important field of study as the presence of knots affects its physical properties, for instance the resistence to traction.

Jun 10th, 2013

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The Dance of the atoms

Lone people standing in a ballroom don't tend to move a lot. It's only when they find a suitable dance partner that rapid motion sets in. Atoms on iron-oxide surfaces behave in a similar way: Only with the right molecular partner do they dance across the surface. Scientists have now filmed the atoms, proving that carbon monoxide is the partner responsible for the quick motion.

Jun 10th, 2013

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