作者: Howard G. Lange , Seth Weiss , Mark A. Raymond
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摘要: A method for manufacturing a photovoltaic (PV) enhancement film. The includes providing an extrusion device with embossing roller engraved to have pattern corresponding set of absorption structures. feeding web substantially transparent material, such as UV-stabilized blend polycarbonate or acrylic. rolling the against first side form structures each include light receiving surface that directs at least portion passes through second toward back (e.g., may be configured provide total internal reflection when applied PV device). refract incident average path length ratio greater than about 1.10 in device.