SHAPE MATTERS.
TRANSPARENT SOLAR PANEL HAS LIMITLESS POTENTIAL By Katie Davis
The global demand for green energy alternatives have led to a Michigan State University research group to develop a fully transparent solar panel that could change the way we design and build our cities and towns in the future. These fully transparent solar panels designed perfectly of clean solar cells, essentially equal to a regular glass window once tested and approved could replace ordinary windows, or even cover entire buildings in future construction. Without a doubt they are not the only research team that tried the same study. Before coming up with this result they had to face many problems. As a matter of fact, transparent photovoltaic cells are fun- damentally inconceivable, considering that solar panels can develop energy power through a transformation of absorbed protons into elec- trons. In order to have a completely transparent appliance, light would have to flow unrestrained to the eye, meaning that those protons would have to go wholly through the substance. Therefore what the Michigan State team developed a transparent luminescent solar concentrator (TLSC), a device that utilize organic salts to take in wavelengths of light that are imperceptible to the human eye. The previous versions of these solar panels had a maximum efficiency of around 7% and was filling the interiors in a colored light. This first version of TLSC only has an efficiency of approximately 1%, but they concluded that once the production begins, it could reach 10%. These percentages may seem low figures, but on a bigger scale the power intake quickly grows. Richard Lunt, who was leading the research team, declares in an inter- view by Michigan State’s Today blog that “it can be used on tall build- ings with lots of windows or any kind of mobile device that demands high aesthetic quality like a phone or e-reader. Ultimately we want to make solar harvesting surfaces that you do not even know are there”. Researchers are very optimistic and they believe that this new technology can and will be applied to both industrial and commercial appliances and buildings, but there are applications for smaller devices at a reasonable price to make the technology economically viable in many markets.
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Source: Michigan State University
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