Photon funnel could direct and regulate light into solar cells
Small-molecule solar cells get 50% increase in efficiency with optical spacer
First photo of shadow of single atom
In an international scientific breakthrough, a Griffith University research team has been able to photograph the shadow of a single atom for the first time.
Physicists propose superabsorption of light beyond the limits of classical physics
Ingested nanoparticles could be harmful to health
(PhysOrg.com) -- Billions of engineered nanoparticles in foods and pharmaceuticals are ingested by humans daily, and new Cornell research warns they may be more harmful to health than previously thought.
New 'super-black' material absorbs light across multiple wavelength bands
(PhysOrg.com) -- NASA engineers have produced a material that absorbs on average more than 99 percent of the ultraviolet, visible, infrared, and far-infrared light that hits it -- a development that promises ...
Quantum dots with built-in charge boost solar cell efficiency by 50%
Down to the wire: Inexpensive technique for making high quality nanowire solar cells developed
(PhysOrg.com) -- Solar or photovoltaic cells represent one of the best possible technologies for providing an absolutely clean and virtually inexhaustible source of energy to power our civilization. However, ...
Water waves exhibit negative gravity near a periodic array of buoys
Modified theory of dark matter
Dark matter is an aspect of the universe we still don't fully understand. We have lots of evidence pointing to its existence (as I outlined in a series of posts a while back), and the best evidence we have point ...
Fujifilm will introduce 1TB optical disc in 2015
How to make a "perfect" solar absorber
The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that ...
Researchers demonstrate an electrochromic nanoplasmonic optical switch
In a recent article in Nano Letters, CNST researchers describe a new high-contrast, low operating-voltage, electrochemical optical switch that uses a volume of active dye orders-of-magnitude smaller than that of conventional electr ...
Forget about leprechauns, engineers are catching rainbows
(Phys.org)—University at Buffalo engineers have created a more efficient way to catch rainbows, an advancement in photonics that could lead to technological breakthroughs in solar energy, stealth technology ...