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Nano-Scale Analysis Explains Difference between Glass and Molten Materials

Many solids are produced from melting. Depending on how quickly they cool off, invariably, internal tensile stresses begin to build up. One example are Prince Rupert's Drops, or Dutch tears: you can hit their thick end with a hammer without breaking them while a slight pressure applied to their thin end is enough to shatter the entire tear.

29 May 2013

Study Evaluates Impact of Nanotechnology Innovation for Improving Electric Vehicle Li-ion Batteries

Lithium (Li-ion) batteries used to power plug-in hybrid and electric vehicles show overall promise to “fuel” these vehicles and reduce greenhouse gas emissions, but there are areas for improvement to reduce possible environmental and public health impacts, according to a “cradle to grave” study of advanced Li-ion batteries recently completed by Abt Associates for the U.S. Environmental Protection Agency (EPA).

29 May 2013

Study Reveals Impact of Nano-Structured Catalyst Design on Renewable Chemical Processes

Chemical engineering researchers Wei Fan, Paul Dauenhauer and colleagues at the University of Massachusetts Amherst report this week that they’ve discovered a new chemical process to make p-xylene, an important ingredient of common plastics, at 90 percent yield from lignocellulosic biomass, the highest yield achieved to date. Details are in the current issue of Green Chemistry.

From University of Massachusetts Amherst 29 May 2013

Physicists Predict Unusual Properties of Nanoparticle Crystal Growth

Growing thin films out of nanoparticles in ordered, crystalline sheets, to make anything from microelectronic components to solar cells, would be a boon for materials researchers, but the physics is tricky because particles of that size don’t form crystals the way individual atoms do.

From Cornell University - Nanobiotechnology Center 27 May 2013

NIST Researchers Create UV Metamaterial Lens from Alternating Silver Nanolayers and Titanium Dioxide

For the first time, scientists working at the National Institute of Standards and Technology (NIST) have demonstrated a new type of lens that bends and focuses ultraviolet (UV) light in such an unusual way that it can create ghostly, 3D images of objects that float in free space.

From National Institute of Standards and Tech (NIST) 24 May 2013

Solar-Powered Nano Filter Removes Harmful Carcinogens and Antibiotics from Water Sources

Researchers at University of Cincinnati have developed and tested a solar-powered nano filter that is able to remove harmful carcinogens and antibiotics from water sources – lakes and rivers – at a significantly higher rate than the currently used filtering technology made of activated carbon. They report their results today at the 113th General Meeting of the American Society for Microbiology.

24 May 2013

Southeastern Announces National Conference in June on Safe Nanomaterial Use in Environmental Remediation

An increasing number of hazardous waste disposal sites are using nanotechnology and nanomaterials in their environmental remediation efforts, leaving open questions about the safety of such techniques.

24 May 2013

Nucleation of Ice Substantially Suppressed in Nano-Sized Water Droplets

The results of a new study led by George Washington University Professor Tianshu Li provide direct computational evidence that nucleation of ice in small droplets is strongly size-dependent, an important conclusion in understanding water’s behavior at the nanoscale.

23 May 2013

Graphene-Covered Silver Nanowire Electrodes Hold Promise for Touch-Screen Monitors

Researchers have created a new type of transparent electrode that might find uses in solar cells, flexible displays for computers and consumer electronics and future "optoelectronic" circuits for sensors and information processing.

23 May 2013

New Technique for Creating High-Quality Atomic-Scale Semiconductor Thin Films

Researchers at North Carolina State University have developed a new technique for creating high-quality semiconductor thin films at the atomic scale – meaning the films are only one atom thick. The technique can be used to create these thin films on a large scale, sufficient to coat wafers that are two inches wide, or larger.

From North Carolina State University 23 May 2013

Nanomaterials News

Nano-Scale Analysis Explains Difference between Glass and Molten Materials

Study Evaluates Impact of Nanotechnology Innovation for Improving Electric Vehicle Li-ion Batteries

Study Reveals Impact of Nano-Structured Catalyst Design on Renewable Chemical Processes

Physicists Predict Unusual Properties of Nanoparticle Crystal Growth

NIST Researchers Create UV Metamaterial Lens from Alternating Silver Nanolayers and Titanium Dioxide

Solar-Powered Nano Filter Removes Harmful Carcinogens and Antibiotics from Water Sources

Southeastern Announces National Conference in June on Safe Nanomaterial Use in Environmental Remediation

Nucleation of Ice Substantially Suppressed in Nano-Sized Water Droplets

Graphene-Covered Silver Nanowire Electrodes Hold Promise for Touch-Screen Monitors

New Technique for Creating High-Quality Atomic-Scale Semiconductor Thin Films

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