According to NRELnews, Lance Wheeler (left of the above photo) and Robert Tenent, NREL’s researchers have proven that “Switchable Solar Windows” work and recently, they have focused to make it better.
As lead author of a paper published in Nature Communications–titled “Switchable Photovoltaic Windows Enabled by Reversible Photothermal Complex Dissociation from Methylammonium Lead Iodide”-Wheeler found himself answering questions from reporters from Canada to Norway and many points in between. Everyone wanted to know: When will this product reach the market?
But what works in a laboratory isn’t immediately ready for sale. Understanding that, DOE’s Building Technologies Office is providing three years of funding for Wheeler and his newly constituted team to perfect the technology behind the window.
The technology relies on materials called perovskites, which are highly efficient at converting sunlight to electricity. The initial version also used single-walled carbon nanotubes to capture the light, along with layers of titanium dioxide and tin oxide. When light hits this transparent glass, it prompts the release of molecules of methylamine. In turn, the glass darkens and as that happens, electricity is generated. When the sun isn’t shining, the molecules are reabsorbed, and the glass becomes clear again. Part of the continuing research will center on better ways to make the switch. ——————–***——————–
Photo:www.nrel.gov & www.sciencemag.org
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Location: National Renewable Energy Laboratory
Date: Feb 04, 2019 @ 16:31
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