Feathers show their true colors
(Phys.org) -- For millennia birds have been prized, even hunted, for their beautiful plumage but what makes their feathers so colorful?
May 11, 2012
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May 11, 2012
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New nanostructure for batteries keeps going and going
(Phys.org) -- For more than a decade, scientists have tried to improve lithium-based batteries by replacing the graphite in one terminal with silicon, which can store 10 times more charge. But after just a ...
May 11, 2012
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Hybrid 'Janus' nanoparticles made from gold and titania have high catalytic activity and extraordinary durability
As recently as twenty-five years ago, chemists considered gold to be one of the most inert metallic elements, until the discovery that nanoscale-sized dispersions of gold had high catalytic activity forced ...
May 10, 2012
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New 3-D structures assemble with remarkable precision
(Phys.org) -- While it is relatively straightforward to build a box on the macroscale, it is much more challenging at smaller micro- and nanometer length scales. At those sizes, three-dimensional (3-D) structures are too ...
Apr 24, 2012
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'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Apr 03, 2012
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Researchers discover how different nanomaterial surfaces affect proteins
A new study led by nanotechnology and biotechnology experts at Rensselaer Polytechnic Institute is providing important details on how proteins in our bodies interact with nanomaterials. In their new study, published in the ...
Feb 22, 2012
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New technique produces free-standing piezoelectric ferroelectric nanostructures from PZT material
(PhysOrg.com) -- Researchers have developed a “soft template infiltration” technique for fabricating free-standing piezoelectrically active ferroelectric nanotubes and other nanostructures from PZT ...
Feb 22, 2012
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What lies beneath: Mapping hidden nanostructures
The ability to diagnose and predict the properties of materials is vital, particularly in the expanding field of nanotechnology. Electron and atom-probe microscopy can categorize atoms in thin sheets of material, ...
Feb 10, 2012
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Blunt nanostructures could make high-efficiency solar cells easier to fabricate
(PhysOrg.com) -- One of the most promising methods for increasing the efficiency of solar cells consists of coating the cells’ surfaces with a thin layer of metal nanoparticles. The nanoparticles scatter ...
Jan 24, 2012
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DNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...
Jan 23, 2012
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Magnetic actuation enables nanoscale thermal analysis
Polymer nano-films and nano-composites are used in a wide variety of applications from food packaging to sports equipment to automotive and aerospace applications. Thermal analysis is routinely used to analyze ...
Jan 12, 2012
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Peering into the interfaces of nanoscale polymeric materials
(PhysOrg.com) -- The development of polymer nanostructures and nanoscale devices for a wide variety of applications could emerge from new information about the interplay between nanoscale interfaces in polymeric ...
Jan 09, 2012
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3-D view of 1-D nanostructures
Semiconductor gallium nitride nanowires show great promise in the next generation of nano- and optoelectronic systems. Recently, researchers at the McCormick School of Engineering have found new piezoelectric ...
Jan 06, 2012
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Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer
Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...
Dec 23, 2011
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New technique makes it easier to etch semiconductors
Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.
Dec 22, 2011
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