26 Apr '11, 3pm

A Real Transparent Solar Cell from MIT

A Real Transparent Solar Cell from MIT

When a penny stock outfit working with a University of South Florida professor announced it had a clear solar window last year – a solar cell you could spray onto a backing that would provide power but still let you use the window – I was more than a little skeptical . But now MIT has announced a prototype of a completely clear solar cell http://web.mit.edu/newsoffice/2011/transparent-solar-windows-0415.html and I'm a little less skeptical. Vladimir Bulovic and Richard Lunt have published a paper on their finding in Applied Physics Letters . The cell has a maximum efficiency of 1.7%, using mainly light in the near-infrared spectrum while remaining 55% transparent. (Think tinted glass.) This picture of Lunt holding a prototype, photographed by Geoffrey Supran of MIT, is all over the Net. The key, says Energy Harvesting Journal , is that these cells would have very low insta...

Full article: http://www.renewableenergyworld.com/rea/blog/post/2011/04...

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Watch a PEM Fuel Cell Power Up MP3 Player (Video)

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