Adolf Goetzberger (1928-), a German engineer best known as the founding Director of the Fraunhofer Institute for Solar Energy Systems in Germany (1981), the first and now largest solar energy research institute in Europe. He was a leading researcher in a broad spectrum of solar energy conversion research and development, covering photovoltaics (PV), solar materials, thermal conversion, systems engineering, and storage. He developed new, high-efficiency solar cell technology—polycrystalline silicon materials. Goetzberger also established one of the first photovoltaic device calibrations facilities, developed novel PV systems engineering techniques, and initiated numerous demonstration projects. Goetzberger holds more than 30 patents on solar energy technologies.
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