Holographic film to protect solar panels from overheating

Russian scientists have developed a holographic film based on prismatic concentrators that reduces the operating temperature of solar panels, including thermal-photovoltaic devices. They claim the patented, low-cost technique can even improve PV module efficiency in cloudy weather.Scientists from South Ural State University (SUSU) in Russia have patented a new technology to prevent PV modules from overheating. Their special technique consists of a holographic film, based on prismatic concentrators known as "prismacons," which are made of a transparent material containing holographic lenses of ...

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