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Another Jump in Thin-Film Solar Efficiency

Researchers at Empa (the Swiss national research laboratory) have achieved a new record in thin-film solar cell efficiency. The flexible solar cells are made from copper indium gallium diselenide (CIGS), and these cells have achieved an energy conversion efficiency of 18.7 percent.

The previous record of 17.6 percent was achieved only a year previously (and by the same research group, too). This represents more than 6% improvement in the course of only a year. While that's not indicative of a larger trend, it is still a positive development.

Other kinds of solar cells have higher efficiencies, but the importance of thin-film efficiency has to cialis online canada no prescription do with economics of manufacture. Thin-film solar cells are inexpensive to produce, and, because of their physical flexibility, they are adaptable for use in a range of applications. Thin-film solar cells also offer perhaps the cialis how much best possibility for cheaper-than-coal electricity.

Link: Empa Press Release (in German)

via: Treehugger

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Comments (7)Add Comment
I am so excited by this
written by melons, June 02, 2011
I can't wait until the researchers reach the 21.2% efficiency level.
That's just great buuuuuuut....
written by smooter, June 07, 2011
Why can't I go to WalMart yet, and buy a 50 ft roll of it's great! online levitra cheap this stuff yet to roof my shed, or add to my house?

At some point, we have to be satisfied enough with the efficiency we have achieved, get it to general public to use. That doesn't keep us from developing better or more efficient technology, but it does at least get it into the hands of the people that can benefit from it!

At this point, we are going to continue in a perpetual "improving" cycle where we never get to see any of this green/solar/etc. benefit because we are constantly thinking we can make it "better".

written by Norman, June 08, 2011
I agree with Smooter. These current "efficient" EV's should be manufactured un mass so that we can make use of them as is. The more of these manufactured, the consumers' costs will go down, the manufacturers make a profit and we reduce pollution. I see it as a fairly simple equation.
written by Blueyes, June 09, 2011
I agree with you, Norman. At my age, looks like I'll never be able to purchase solar for my home. I think also the Big Energy Grabbers, who have puppets on the take cialis payroll in our Gov't, will never allow such advancements to be available to the general public, except at such an exorbitant price that most of us are forever locked out.
Great even 16% mass produced is welcome
written by Brajesh Chandra, June 09, 2011
Hearty Congratulations to where to get cialis the team who has achieved 18% efficient solar cells, but I would like to see manufacturing level breakthrough with lot of Public money deployment in creating solar forms etc.
written by Brajesh Chandra, June 09, 2011
Great Keep it up and hope large fabricators with Government support will come up to new fabrication proposals
don't foget
written by tom, January 22, 2012
It's stated in the article but bears repeating. The cost per kilowatt-hour must become cheaper than coal (or whatever the prevailing tech is) so that these companies will have markets large enough to sustain their activities. With respect to their efforts from an environmental standpoint, they're primarily in this to make money, not make solar available to a few eco-geeks (name stolen shamelessly).

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