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Photovoltaic device, manufacturing method of photovoltaic device, photovoltaic device integrated with building material and power-generating apparatus
Photovoltaic device, manufacturing method of photovoltaic device, photovoltaic device integrated with building material and power-generating apparatus
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机译:光伏器件,光伏器件的制造方法,集成有建材的光伏器件及发电装置
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摘要
The present invention provides a photovoltaic device being capable of generating a large amount of current even with thin joined semiconductor layers, has a high photoelectric conversion efficiency and can be manufactured inexpensively at a low temperature together with a manufacturing method of the same, a photovoltaic device integrated with a building material and a power-generating apparatus. The photovoltaic device is formed by depositing joined semiconductor layers on a substrate, wherein a ratio of projected areas of regions on a surface of the joined semiconductor layers that have heights not smaller than a center value of concavities and convexities to a projected area of the entire surface of the joined semiconductor layers is higher than a ratio of projected areas of regions on the surface of the substrate that have heights not smaller than the center value of concavities and convexities on a surface of the substrate to a projected area of the entire surface of the substrate.
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