News tagged with photon energy
Folding light: Wrinkles and twists boost power from solar panels
Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
Apr 27, 2012 |
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How deep must life hide to be safe on Europa?
Jupiter's icy moon is subject to constant and significant blasts of radiation. A new experiment attempts to determine how deep life must lay beneath the crust in order to survive. This will be important for ...
Space & Earth / Space Exploration
Mar 29, 2012 |
5 / 5 (6) |
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Scientists report first solar cell producing more electrons in photocurrent than solar photons entering cell
(PhysOrg.com) -- Researchers from the National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited ...
Dec 15, 2011 |
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For diabetics, spectroscopy may replace painful pinpricks
Part of managing diabetes involves piercing a finger several times daily to monitor blood sugar levels. Raman spectroscopy could let diabetics monitor glucose without those daily pinpricks. In the past, this would have required ...
Oct 25, 2011 |
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Small defects mean big problems for industrial solar cells
Nanoscale clustering of metal impurities at intragranular dislocations within industrial mc-Si solar cells have been observed by users from the Massachusetts Institute of Technology working with the Center ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
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Researchers discover technique to improve solar cell technology
A multi-disciplinary team of scientists at the Naval Research Laboratory has discovered a way to tailor nanostructures that could result in low-cost, high efficiency solar cells. The research appears in the ...
Oct 12, 2011 |
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Optofluidics could improve energy applications
(PhysOrg.com) -- The ability to manipulate light and fluids on a single chip, broadly called "optofluidics," has led to such technologies as liquid-crystal displays and liquid-filled optical fibers for fast ...
Sep 13, 2011 |
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Shining a light on the elusive 'blackbody' of energy research
A designer metamaterial has shown it can engineer emitted "blackbody" radiation with an efficiency beyond the natural limits imposed by the material's temperature, a team of researchers led by Boston College ...
Jul 22, 2011 |
4.8 / 5 (16) |
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Nanosized diamonds enable progress in retinal prostheses
Research groups in several countries are making progress in retinal prosthesis development. If they achieve their aims, patients who have gone blind, due to loss of their photoreceptors, could recover a better ...
Nanotechnology / Bio & Medicine
Jun 17, 2011 |
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Theoretical physicists offer explanation of how bacteria might generate radio waves
(PhysOrg.com) -- Four theoretical physicists, led by Allan Widom, of Northeastern University, have published a paper in arXiv, where they show a possible way for some bacteria to produce radio waves. Taking ...
Apr 28, 2011 |
4.8 / 5 (13) |
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Diamonds shine in quantum networks: Researchers hitch precious stone's impurities onto nano-resonators
When it comes to dreaming about diamonds, energy efficiency and powerful information processing aren't normally the thoughts that spring to mind. Unless, of course, you are a quantum physicist looking to create the most secure ...
Apr 26, 2011 |
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New solar cell self-repairs like natural plant systems
(PhysOrg.com) -- Researchers are creating a new type of solar cell designed to self-repair like natural photosynthetic systems in plants by using carbon nanotubes and DNA, an approach aimed at increasing service ...
Nanotechnology / Nanomaterials
Jan 04, 2011 |
4.6 / 5 (11) |
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Scientists develop device to enable improved global data transmission
Researchers have developed a new data transmission system that could substantially improve the transmission capacity and energy efficiency of the world's optical communication networks.
Sep 07, 2010 |
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New solar energy conversion process could revamp solar power production
Stanford engineers have figured out how to simultaneously use the light and heat of the sun to generate electricity in a way that could make solar power production more than twice as efficient as existing ...
Technology / Energy & Green Tech
Aug 02, 2010 |
4.7 / 5 (64) |
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Breakthrough in nano-optics: Researchers develop plasmonic amplifier
Researchers at the University of Iceland, University of Cologne and the Fraunhofer Institute Jena have demonstrated net optical amplification in a plasmonic waveguide.
May 31, 2010 |
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