Researchers at UCLA have developed a new type of see-through solar cell that could be used applicably on windows, car sunroofs, smartphone screens and other transparent surfaces that can harvest energy from the sun. First developed in the year 2012, the researchers currently have almost doubled the efficiency of the solar cell, approaching the subject of commercial visibility very closely.
The solar device is compromised of two thin polymer solar cells that can be made in shades from light green and gray to brown, which helps to camouflage them within the colors of surfaces on buildings and other structures. The solar cells absorb more light, harvest light and use the energy from a wider point-of-view, and incorporates a variety of materials between the two solar cells to reduce energy loss. The technology had previously had an efficiency level of only 4% but the UCLA team has brought the efficiency level to 7.3%.
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