Photovoltaic devices, also known as solar cells, produce electrical power when exposed to light, and that technology has enabled a fast-growing industry. The most familiar designs use rigid layers of silicon crystal. But ...
Nanophysics
Sep 4, 2014
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Organic photovoltaic cells—a type of solar cell that uses polymeric materials to capture sunlight—show tremendous promise as energy conversion devices, thanks to key attributes such as flexibility and low-cost production.
Condensed Matter
Aug 19, 2014
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(Phys.org) —Although organic materials are often used as semiconductors, such as in organic LEDs and organic transistors, organic materials that have an electrical conductivity as high as that of metals are still very scarce. ...
A team of materials chemists, polymer scientists, device physicists and others at the University of Massachusetts Amherst today report a breakthrough technique for controlling molecular assembly of nanoparticles over multiple ...
Nanomaterials
Aug 13, 2014
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The yield so far is small, but chemists at the University of Oregon have developed a low-energy, solution-based mineral substitution process to make a precursor to transparent thin films that could find use in electronics ...
Materials Science
Jul 21, 2014
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Researchers led by Yoshiyuki Miyamoto predicted from numerical simulations that weak cohesive forces acting among molecules and atoms that are not chemically bonded can be strengthened by irradiation of light whose wavelength ...
General Physics
May 21, 2014
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Lithium-ion batteries power a vast array of modern devices, from cell phones, laptops, and laser pointers to thermometers, hearing aids, and pacemakers. The electrodes in these batteries typically comprise three components: ...
Nanomaterials
Mar 26, 2014
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A group of researchers led by Hendrik Bolink of the Institut de Ciència Molecular (ICMol) of the Scientific Park of the University of Valencia has developed a thin film low cost photovoltaic device with high power conversion ...
Optics & Photonics
Dec 26, 2013
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(Phys.org) —It's a first: researchers have built the first artificial-heart-like pump that is powered by microbial fuel cells fed on human urine. But instead of being used as a prosthetic device for human patients suffering ...
Engineering has always taken cues from biology. Natural organisms and systems have done well at evolving to perform tasks and achieve objectives within the limits set by nature and physics.
Engineering
Nov 11, 2013
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