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Stanford technology makes metal wires on solar cells nearly invisible to light


A solar cell is basically a semiconductor, which converts sunlight into electricity, sandwiched between metal contacts that carry the electrical current. But this widely used design has a flaw: The shiny metal on top of the cell actually reflects sunlight away from the semiconductor where ...


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Next-generation perovskite solar cells made stable by metal oxide “sandwich”

Perovskite solar cells with metal oxide hole and electron transport layers


UCLA professor Yang Yang, member of the California NanoSystems Institute , is a world-renowned innovator of solar cell technology whose team in recent years has developed next-generation solar cells constructed of perovskite, which has remarkable efficiency converting sunlight to ...


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Engineers invent transparent coating that cools solar cells to boost efficiency


Every time you stroll outside you emit energy into the universe: Heat from the top of your head radiates into space as infrared light. Now three Stanford engineers have developed a technology that improves on solar panel performance by exploiting this basic phenomenon. Their invention shunts away ...


Lawrence Livermore National Lab to explore spectral imaging to detect moisture in solar cells


A Lawrence Livermore National Lab engineer has been awarded $570,000 through the Department of Energy SunShot Initiative to explore spectroscopic technology as a means of detecting moisture buildup in solar photovoltaic cells. Over the next two years, Mihail Bora, a Materials Engineering Division ...


Building the electron superhighway

Scientists have invented what they are calling 'an electron superhighway' in an organic semiconductor.


TV screens that roll up. Roofing tiles that double as solar panels. Sun-powered cell phone chargers woven into the fabric of backpacks. A new generation of organic semiconductors may allow these kinds of flexible electronics to be manufactured at low cost, says University of Vermont physicist and ...


Made from solar concentrate

Solar cell absorbs high-energy light at 30-fold higher concentration than conventional cells


By combining designer quantum dot light-emitters with spectrally matched photonic mirrors, a team of scientists with the Lawrence Berkeley National Laboratory and the University of Illinois created solar cells that collect blue photons with the highest luminescent concentration factor ever ...


Changing the color of light

University of Delaware research team awarded $1 million Keck Foundation grant


Researchers at the University of Delaware have received a $1 million grant from the W.M. Keck Foundation to explore a new idea that could improve solar cells, medical imaging and even cancer treatments. Simply put, they want to change the color of light.They won't be tinkering with what you see ...


Los Alamos develops new technique for growing high-efficiency perovskite solar cells

Researchers' crystal-production insights resolve manufacturing difficulty


In the journal Science, Los Alamos National Laboratory researchers reveal a new solution-based hot-casting technique that allows growth of highly efficient and reproducible solar cells from large-area perovskite crystals."These perovskite crystals offer promising routes for developing low-cost, ...


Perovskites provide big boost to silicon solar cells, Stanford study finds


Stacking perovskites onto a conventional silicon solar cell dramatically improves the overall efficiency of the cell, according to a new study led by Stanford University scientists. The researchers describe their novel perovskite-silicon solar cell in Energy & Environmental Science."We've been ...


UO-industry collaboration points to improved nanomaterials

University of Oregon microscope puts spotlight on the surface structure of quantum dots for designing new solar devices


A potential path to identify imperfections and improve the quality of nanomaterials for use in next-generation solar cells has emerged from a collaboration of University of Oregon and industry researchers. To increase light-harvesting efficiency of solar cells beyond silicon's limit of about 29 ...


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