Sentences with phrase «cadmium telluride»

Cadmium telluride is a substance that is made up of two elements, cadmium and tellurium. It is commonly used in making solar panels because it can convert sunlight into electricity. Full definition
If production of cadmium telluride solar panels increases substantially, it could trigger a scarcity of tellurium, raising the price for that type of panel.
Additionally First Solar is building two new PV factories in the nation to make its large - format Series 6 modules; however First Solar's cadmium telluride thin film products are not subject to duties.
In fact, cadmium telluride solar cells are currently the most ecofriendly devices, even though they use a toxic heavy metal, primarily because they require the least energy — typically provided by burning fossil fuels — to manufacture, says environmental engineer Vasilis Fthenakis, senior scientist at Brookhaven National Laboratory's National Photovoltaic Environment Research Center in Upton, N.Y., and Columbia University.
Kotov and his colleagues shined circularly polarized light on particles of cadmium telluride in a solution.
It uses cadmium telluride for its thin - film PV panels, so the tariffs, which specifically concern the more popular crystalline silicone solar products, won't affect it.
For cadmium telluride modules, for example, First Solar is the only important provider, but the company installs their modules as much as possible in their own projects.
Already, such issues have driven major companies such as General Electric to opt for competing technologies, investing in thin - film solar cells made from cadmium telluride by PrimeStar.
New companies launched using then - cheaper alternatives to polysilicon, like cadmium telluride.
The 1.2 x 2 meter modules are expected to become commercially available at 420 - 445 watts with efficiencies of over 17 %, which is a testament to the thin film solar maker's remarkable progress with cadmium telluride PV.
«America is quickly falling behind in clean energy, trading Middle Eastern oil for cheap Chinese solar, batteries and wind turbines,» says Chris Rivest, co-founder of Berkeley, Calif. — based SunPrint, which is developing technology to print cadmium telluride thin - film photovoltaic cells.
Yet, cadmium telluride commands only about 30 percent of the thin - film market, according to DoE statistics, compared with amorphous silicon cells (such as those produced by Sharp and ECD Ovonics), which account for more than 60 percent; CIGS cells make up just about 1 percent of this market.
For example, Tempe, Ariz. — based First Solar, Inc., which employs cadmium telluride in its thin - film solar cells, sells its modules encased in glass for either large arrays or rooftops.
The typical cadmium telluride cell converts solar energy into electricity with 10 percent efficiency at a cost of about $ 4 per watt — although NREL claims to have developed a prototype that converts at 16.5 percent efficiency.
First Solar's solar cells — the U.S. best seller — produce electricity when sunlight strikes a thin film of cadmium telluride sandwiched between glass.
At SkyPower, we will not use panels manufactured with toxic or rare materials, including cadmium telluride.
First Solar, Inc. of Tempe, Arizona USA, a maker of cadmium telluride CdTe - based thin - film solar cells, reported that the company will begin developing and building a 200 - megawatt (MW) ac photovoltaic (PV) solar power plant in Twiggs County, Georgia USA.
If the solar industry has become dependent on the short - term low - cost cadmium telluride option, long - term scarcity could end up moving solar electricity back out of grid parity for many people.
Thin - film silicon technologies from turn - key vendors will be ramping up in large scale during the second half of 2008, while cadmium telluride (CdTe) module producers such as First Solar
Solar Frontier's monolithic thin - film modules are spec'd at approximately 12.2 percent efficiency, which is a relatively strong number in the thin film world, a bit better than First Solar's 11.7 - percent - efficient cadmium telluride material, but still trailing the 14 percent to 22 percent module efficiency of the crystalline silicon vendors.
According to the university, the cheapest solar cells today are based on a thin film of insoluble cadmium telluride.
Harvey, who has an impressive command of technical data, worries that toxic cadmium telluride used in the thin - film panels will escape into the environment, and he isn't soothed by Chevron's assurances that it will spray polymer - based binders on the disturbed soil to keep it from blowing around.
For instance, cadmium telluride thin film panels could help solar reach grid parity sooner than silicon panels could, but tellurium — a key ingredient — is fairly rare.
Making solar cells from cadmium telluride «is a much more robust and forgiving process and material structure.»
«There are reasons to use silicon, and there are reasons to use other technologies, like cadmium telluride.
It's cheaper to make «thin - film solar cells» with cadmium telluride than with silicon.
While researchers have improved silicon - based cells almost to their theoretical limit, there is significant room for efficiency improvements for cadmium telluride, which could be bettered by an additional 30 percent, said Lynn.
In experiments conducted thus far, the ions have been mounted in quantum dots made of cadmium telluride (CdTe) or indium arsenide (InAs).
First Solar, based in Tempe, Arizona, offers to take back and recycle all the cadmium telluride thin - film solar cells it produces.
Surprisingly, they identified that two types of solar cells (silicon and cadmium telluride) can vary in energy output by 5 % or more in tropical regions, where most of the emerging solar cell markets are located.
The researchers found that the cadmium telluride solar cells produced up to 5 % more energy than silicon ones in the hot, humid Singaporean location.
With this data, they analyzed two solar cell materials: silicon (commonly used in solar cells) and cadmium telluride (thin - film competitor material).
Metals can be repurified and given back to us in the form of the cadmium telluride compound.
Yellow represents a quantum dot (cadmium telluride or indium arsenide, respectively).
Enter thin - film solar cells — devices that use a fine layer of semiconducting material, such as silicon, copper indium gallium selenide or cadmium telluride, to harvest electricity from sunlight at a fraction of the cost.
The least expensive solar cells today are made using thin films of cadmium telluride.
Early last year, «Rumor: First Solar Looks to Experiment With CIGS» by Michael Kanellos for Greentech Media speculated CdTe (cadmium telluride) expert First Solar was investigating the CIGS (copper indium gallium diselenide) material set for potential PV commercialization.
Indiana energy holding company Vectren Energy Delivery (Vectren), has selected First Solar, Inc. to construct the 50 - megawatt (MW) cadmium telluride (CdTe) thin - film solar array sketched out last month as part of Vectren's long - term plan for electric generation.
Thanks to the rising cost of coal and natural gas — as well as the short - term cost benefits of cadmium telluride, and falling costs of silicon and other solar options — the National Renewable Energy Laboratory estimates that solar energy could reach nationwide grid parity by 2017.
What may really help to lower the cost of solar are new materials — especially semiconductors made from the compound cadmium telluride.
A researcher analyzes a cadmium telluride thin - film solar cell at General Electric's Global Research Center in Niskayuna, New York.
The company is the main supplier of cadmium telluride to First Solar and others, such as Abound Solar.
Today the manufacturer appears to produce its cadmium telluride modules predominantly for its own projects in the multi-megawatt segment in the USA and Asia.
GE already has big plans in cadmium telluride (CdTe) in its Primestar program, 400 - megawatt Colorado factory and a technology roughly the same as First Solar's.
The solar cells — made often of silicon or cadmium telluride — rarely cost more than 20 percent of the total cost.
The types include amorphous silicon thin - film, cadmium telluride thin - film and copper indium gallium diselenide (CIGS) thin - film.
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