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Published byLawrence Park Modified over 9 years ago
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Jacob Rossi
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Conversion of sunlight into electricity via the Photovoltaic Effect
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Solar Jackets
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Oops: Oops: The photovoltaic was accidentally discovered at Bell Labs when impurities were added to Silicon semiconductors. In the most basic form, it’s really similar to normal semiconductor materials:
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Today’s best photovoltaic cells have a power cycle efficiency of only But, tomorrow’s could approach the theoretical limit of Because of some quantum energy stuff, there exists a “thermodynamic efficiency limit.” Basically, lots of it gets converted into kinetic energy (heat). So don’t worry, it doesn’t break the 1 st Law.
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Even with current technology, the U.S. could become completely independent from oil by building a solar power plant in the Southwest. Its size? 30,000 sq. mi.
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