The Massacheusetts Institute of Technology has announced a breakthrough in the effort to transform our windows into powerful solar energy collectors.
The MIT development uses a sequence of dyes that efficiently trap incoming light and transmit it to solar cells built into the window frame. From TechNewsWorld:
"The MIT procedure uses something called a "solar concentrator." Unlike the 1970s-era devices, this creation is able to grab the light -- and then hang onto it. The concentrator can send the light at a much longer distance than past models have achieved, shooting the energy straight into solar cells along the glass's edge.
"A lot of technology goes into ensuring that the light is transmitted to the edge of the glass panel," Rob Collins, professor of physics at the University of Toledo, told TechNewsWorld. "Oftentimes, when you illuminate a dye, it will radiate in all directions. What you want to do is capture it within a glass, [and] they have established a way of efficiently doing this."
The solar concentrator results in 10 times more energy being created than what current systems can provide -- and theoretically, it can do it at a fraction of the price."
"You could do dual-use as a window or skylight, where you have some light passing through but also have power being produced by it. It could be interesting because it would have those aesthetic advantages," [MIT researcher Jon] Mapel pointed out.
The MIT team estimates the products could become widely available within the next three years."
The MIT development uses a sequence of dyes that efficiently trap incoming light and transmit it to solar cells built into the window frame. From TechNewsWorld:
"The MIT procedure uses something called a "solar concentrator." Unlike the 1970s-era devices, this creation is able to grab the light -- and then hang onto it. The concentrator can send the light at a much longer distance than past models have achieved, shooting the energy straight into solar cells along the glass's edge.
"A lot of technology goes into ensuring that the light is transmitted to the edge of the glass panel," Rob Collins, professor of physics at the University of Toledo, told TechNewsWorld. "Oftentimes, when you illuminate a dye, it will radiate in all directions. What you want to do is capture it within a glass, [and] they have established a way of efficiently doing this."
The solar concentrator results in 10 times more energy being created than what current systems can provide -- and theoretically, it can do it at a fraction of the price."
"You could do dual-use as a window or skylight, where you have some light passing through but also have power being produced by it. It could be interesting because it would have those aesthetic advantages," [MIT researcher Jon] Mapel pointed out.
The MIT team estimates the products could become widely available within the next three years."
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