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First Measure of Radiation Leaked from Fukushima Reactor
From a distance of 5,800 miles, researchers calculated how much radiation
leaked from damaged fuel at the Fukushima nuclear reactor after normal
cooling systems were disabled ... continue
University Turning Mad Cow Parts into Plastic
A scientist has figured out how to transform cattle parts into plastic to offer an
alternative to the disposal of all those bits that the mad cow crisis turned to waste ... continue
Thais Say Toxic Exposure May Have Killed Tourists
An investigation into the mysterious deaths of five tourists and a tour guide suggests a link to toxic chemical
exposure but has failed to determine exactly what killed them ... continue
China Petrochemical Plant Starts Shutdown
A petrochemical plant in the northeast Chinese city of Dalian, ordered to shut after large-scale public protests
over the weekend, has begun shutdown procedures ... continue
EPA Settles with Owners of Exploded Chemical Plant
The chemical plant owners have agreed to pay the government an estimated $1.3 million to help cover the cost
of cleaning up the hazardous waste that was left behind ... continue
Shell Pipeline Leak Reduced to a Trickle
Britain's worst oil spill for over a decade appeared to be entering its final stages, as the leak from
Royal Dutch Shell's faulty North Sea pipeline slowed to a trickle ... continue
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http://blogs.atlassian.com/confluence/2011/09/the-future-of-communication-infographic.html
http://www.atlassian.com/Search.jspa?query=the+future+of+communication
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http://blogs.atlassian.com/confluence/2011/09/the-future-of-communication-infographic.html
http://www.atlassian.com/Search.jspa?query=the+future+of+communication
http://www.atlassian.com/C4
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http://www.powersystemsdesign.com/library/resources/images/articles/productnews/sept11/osram(medium).jpg
http://www.powersystemsdesign.com/lighting
Osram's Important step toward OLED mass application
http://www.powersystemsdesign.com/osrams-important-step-toward-oled-mass-application?a=1&c=1154
The Orbeos Dance module can simply be connected
by means of plug & play. It invites one to experiment
with the OLED-technology.
Everything gives off light – windows, walls or furniture. Thanks to organic light emitting diodes (OLED), what is presently
only a vision of architects and designers can soon become reality. In order to familiarise lighting professionals, ranging
from lighting designers right up to electricians, with the technology in advance, OSRAM now offers its first OLED-module:
Orbeos Dance invites one to experiment and represents yet another step toward introducing OLED to the market on a wide scale.
Be it with the first panels, thus individual tiles, from serial production or OLED-designer luminaires – in the past years,
OSRAM has repeatedly set new accents for OLED. With Orbeos Dance, the lighting manufacturer now offers its first
OLED-module: an OLED-panel, mounted in a casing with a plug & play connection. The advantage over the panel: it can be put
into operation easily and quickly, and one can start experimenting immediately.
Excite the masses with OLED
With Orbeos Dance, OSRAM consistently takes yet another step towards mass application of OLED-technology. Already since 2008
the company has been manufacturing and distributing panels from the Orbeos-series. Thanks to the OLED-designer luminaires,
the company has already successfully raised public awareness for this technology. With the first pilot production line for
OLED, which was launched in Regensburg in August and which is the first of its kind worldwide, OSRAM continues to drive forth
technological progress in the lighting market.
Technical Specifications:
Diameter module: 112 mm
Diameter illuminated surface: 79 mm
Thickness: 6.8 mm
Color temperature: 2,900 K (warm white)
Luminance density: 900 cd/m2
Color rendering: 85
ABOUT OSRAM
OSRAM (Munich) belongs to the Industry Sector of Siemens and is one of the two leading light manufacturers in the world. In the 2010 financial year, it achieved a turnover of € 4.7 billion. OSRAM is a high-tech company in the lighting sector and 70 percent of its turnover comes from energy-efficient products. The company, which is very much internationally oriented, has around 40,000 employees worldwide, supplying customers in 150 countries worldwide from its 42 production sites in 16 countries (September 30). www.osram.com
Osram's Important step toward OLED mass application
Date:9/13/2011
CategroriesAppliances, Assembly, Display, Eco Friendly, High Performance, OLEDs
http://www.powersystemsdesign.com/osrams-important-step-toward-oled-mass-application?a=1&c=1154
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MIT Turns Windows Into Transparent Power Plants
Date: Sep 1, 2011 1:48 AM
If a new development from labs at MIT pans out as expected, someday the entire surface area of a building’s windows could be used to generate electricity —
without interfering with the ability to see through them.
The key technology is a photovoltaic cell based on organic molecules, which harnesses the energy of infrared light while allowing visible light to pass through.
Coated onto a pane of standard window glass, it could provide power for lights and other devices, and would lower installation costs by taking advantage
of existing window structures.
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Subject: Nano Patents and Innovations is dedicated to nanotechnology news, patents, markets, products and research innovations
Date: Sep 1, 2011 1:48 AM
http://nanopatentsandinnovations.blogspot.com/2011/05/mit-turns-windows-into-transparent.html
MIT Turns Windows Into Transparent Power Plants
If a new development from labs at MIT pans out as expected, someday the entire surface area of a building’s windows could be used to generate electricity —
without interfering with the ability to see through them.
The key technology is a photovoltaic cell based on organic molecules, which harnesses the energy of infrared light while allowing visible light to pass through. Coated onto a pane of standard window glass, it could provide power for lights and other devices, and would lower installation costs by taking advantage of existing window structures.
Richard Lunt, one of the researchers who developed the new transparent solar cell, demonstrates its transparency using a prototype cell.
Photo: Geoffrey SupranThese days, anywhere from half to two-thirds of the cost of a traditional, thin-film solar-power system comes from those installation costs, and up to half of the
cost of the panels themselves is for the glass and structural parts, said Vladimir Bulović, professor of electrical engineering in the Department of Electrical Engineering and Computer Science. But the transparent photovoltaic system he developed with Richard Lunt, a postdoctoral researcher in the Research Laboratory of Electronics, could eliminate many of those associated costs, they say.A paper by Bulović and Lunt describing their new system has been published online in the journal Applied Physics Letters, and will appear in a forthcoming issue
of the print edition.Previous attempts to create transparent solar cells have either had extremely low efficiency (less than 1 percent of incoming solar radiation is converted to electricity), or have blocked too much light to be practical for use in windows. But the MIT researchers were able to find a specific chemical formulation for their cells that, when combined with partially infrared-reflective coatings, gives both high visible-light transparency and much better efficiency than earlier versions — comparable to that of non-transparent organic photovoltaic cells.In a new building, or one where windows are being replaced anyway, adding the transparent solar cell material to the glass would be a relatively small incremental
cost, since the cost of the glass, frames and installation would all be the same with or without the solar component, the researchers say, although it is too early in the process to be able to estimate actual costs. And with modern double-pane windows, the photovoltaic material could be coated on one of the inner surfaces, where it would be completely protected from weather or window washing. Only wiring connections to the window and a voltage controller would be needed to complete the system in a home.In addition, much of the cost of existing solar panels comes from the glass substrate that the cells are placed on, and from the handling of that glass in the factory. Again, much of that cost would not apply if the process were made part of an existing window-manufacturing operation. Overall, Bulović says, “a large fraction
of the cost could be eliminated” compared to today’s solar installations.This will not be the ultimate solution to all the nation’s energy needs, Bulović says, but rather it is part of “a family of solutions” for producing power without greenhouse-gas emissions. “It’s attractive, because it can be added to things already being deployed,” rather than requiring land and infrastructure for a whole
new system.Fine-tuning the cellsThe work is still at a very early stage, Bulović cautions. So far, they have achieved an efficiency of 1.7 percent in the prototype solar cells, but they expect that with further development they should be able to reach 12 percent, making it comparable to existing commercial solar panels. “It will be a challenge to get there,” Lunt
says, “but it’s a question of excitonic engineering,” requiring optimization of the composition and configuration of the photovoltaic materials.The researchers expect that after further development in the lab followed by work on manufacturability, the technology could become a practical commercial product within a decade. In addition to being suitable for coating directly on glass in the manufacture of new windows, the material might also be coated onto flexible material that could then be rolled onto existing windows, Lunt says.Using the window surfaces of existing buildings could provide much more surface area for solar power than traditional solar panels, Bulović says. In mornings and evenings, with the sun low in the sky, the sides of big-city buildings are brightly illuminated, he says, and that vertical “footprint” of potential light-harvesting area
could produce a significant amount of power.
A prototype of the MIT researchers' transparent solar cell is seen on top of a promotional item for MIT's 150th anniversary celebrations.
Max Shtein, associate professor of materials science and engineering at the University of Michigan, says, “This work demonstrates a useful effect, and is based
on very sound science and engineering.” But he adds that “it is but one of the many other methods by which a similar functionality could be achieved,” and says the biggest uncertainty at this point is that because they are so new, “the lifetime of organic PV cells is a bit of an unknown at this point, though there is some hope.”
In addition, Shtein says, “The potential of this technology is good if projected far into the future,” but only if the efficiency can be improved as the researchers
expect it can.
As added benefits, the manufacturing process for the MIT researchers' solar cells could be more environmentally friendly, because it does not require the energy-intensive processes used to create silicon solar cells. The MIT process of fabricating solar cells keeps the glass panes at ordinary room temperature, Bulović noted. Installations of the new system would also block much of the heating effect of sunlight streaming through the windows, potentially cutting down on air conditioning needs within a building.
The research was funded by the Center for Excitonics, an Energy Frontier Research Center funded by the U.S. Department of Energy.
Contacts and sources:
David L. Chandler, MIT News Office
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Last Update 2011-09-22 | Copyright© Charles Mingus 2008 | |  |
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1 comments:
I agreed that solar is very important in future.Its nice.As of now, solar power and solar related devices are expensive. But it may
be reduced if most of the people start using it.