There has been great interest in recent years in using tiny particles called quantum dots to produce low-cost, easily manufactured, stable photovoltaic cells. But, so far, the creation of such cells has been limited by the ...
Nanophysics
May 24, 2013
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(Phys.org) —From the high-resolution glow of flat screen televisions to light bulbs that last for years, light-emitting diodes (LEDs) continue to transform technology. The celebrated efficiency and versatility of LEDs—and ...
Condensed Matter
May 23, 2013
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(Phys.org) —Cubic zirconia has long been favored for its use in costume jewelry. Known scientifically as yttria-stabilized zirconia, it is also a known conductor of oxygen, making it useful as an electrolyte in solid oxide ...
Nanophysics
May 23, 2013
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(Phys.org) —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 ...
Nanophysics
May 22, 2013
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(Phys.org) —Imagine a bendable tablet computer or an electronic newspaper that could fold to fit in a pocket.
Nanomaterials
May 20, 2013
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(Phys.org) —In the wake of the sobering news that atmospheric carbon dioxide is now at its highest level in at least three million years, an important advance in the race to develop carbon-neutral renewable energy sources ...
Nanophysics
May 16, 2013
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One of the most promising new kinds of battery to power electric cars is called a lithium-air battery, which could store up to four times as much energy per pound as today's best lithium-ion batteries. But progress has been ...
Nanophysics
May 13, 2013
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(Phys.org) —The mention of a two-dimensional material with excellent electrical and optical properties may first bring to mind graphene. However, this description also fits another class of materials called transition metal ...
In biology, we often think of natural selection and survival of the fittest. What about survival of the luckiest? Like pioneers in search of a better life, bacteria on a surface wander around and often organize into highly ...
Cell & Microbiology
May 8, 2013
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(Phys.org) —The new material's artificial "atoms" are designed to work with a broad range of light frequencies. With adjustments, the researchers believe it could lead to perfect microscope lenses or invisibility cloaks.
Optics & Photonics
May 7, 2013
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