News tagged with illumination spectrum
New inexpensive solar cell design
One of the most promising technologies for making inexpensive but reasonably efficient solar photovoltaic cells just got much cheaper. Scientists at the University of Toronto in Canada have shown that inexpensive nickel can ...
Nanotechnology / Nanomaterials
Aug 03, 2010 |
4.8 / 5 (15) |
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Search results for illumination spectrum
Dopant gives graphene solar cells highest efficiency yet
(Phys.org) -- By taking advantage of graphene’s favorable electrical and optical properties, and then adding an organic dopant, researchers have achieved the highest power conversion efficiency yet for ...
May 21, 2012 |
4.8 / 5 (11) |
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Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector
A team of engineers at Stanford and the University of Pennsylvania has for the first time used "plasmonic cloaking" to create a device that can see without being seen - an invisible machine that detects light. It is the first ...
May 21, 2012 |
4.8 / 5 (17) |
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Greenhouse workers showcase soil and light
(Phys.org) -- Light and dirt can make all the difference when it comes to growing plants, stress scientists at the Cornell University Agricultural Experiment Station (CUAES). Yet many researchers fail to consider ...
May 08, 2012 |
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The presence of water changes the structure of an antibiotic
EPFL chemists have shown how the three-dimensional shape of an antibiotic changes when it is in an aqueous environment. This could lead to a better understanding of how drugs interact with biological molecules.
Apr 20, 2012 |
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Hyperspectral imaging: Shedding new light on wound healing
(Phys.org) -- Clinicians who treat severe wounds may soon have powerful new diagnostic tools in the form of hyperspectral imaging (HSI) devices, calibrated to new NIST standard reference spectra, which will ...
Apr 09, 2012 |
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Understanding photosynthesis: How plants use catalytic reactions to split oxygen from water
Splitting hydrogen and oxygen from water using conventional electrolysis techniques requires considerable amounts of electrical energy. But green plants produce oxygen from water efficiently using a catalytic ...
Apr 02, 2012 |
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Mysterious objects at the edge of the electromagnetic spectrum
The human eye is crucial to astronomy. Without the ability to see, the luminous universe of stars, planets and galaxies would be closed to us, unknown forever. Nevertheless, astronomers cannot shake their ...
Mar 19, 2012 |
4.7 / 5 (36) |
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Taking a closer look at molecular electronics
Molecules and polymers have unique electronic and optical properties suitable for use in electronic devices. These properties, however, are complex and not well understood. Charge transport, for example, is ...
Mar 09, 2012 |
4.5 / 5 (4) |
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Making sharper X-rays
A variety of imaging technologies rely on light with short wavelengths because it allows very small structures to be resolved. However, light sources which produce short, extreme ultraviolet or x-ray wavelengths ...
Mar 09, 2012 |
5 / 5 (5) |
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Metal nanoparticles shine with customizable color (w/ video)
(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
Feb 23, 2012 |
4.9 / 5 (8) |
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List of search results for illumination spectrum
