2009年3月21日星期六

"Boffin builds DIY solar cells from donuts and coffee | DIYRock.Com - Enjoying Your DIY Life Here!"

An inventor claims to have proved that a mix of teatime staples from England and North America can be used to make solar cells.

In a fast-moving video, the presenter goes through a process that essentially combines chemicals from tea and American-style donuts desugared to a soaking solar film, can be viewed on a glass plate.

The process is not easy and requires a lot of scientific kit, but he begins with the extraction of titanium dioxide nanoparticles "of some powdered sugar donuts.

About ten layers of these nanoparticles on a glass plate, after the video presenter, "pretty much a solar cell."

But since this set-up on its own will not be confused with "normal sunlight," the presenter alongside organic dyes Extracts from a cup of sweet tea, the solar cell to absorb light, we can see. "

Finally, to prove that his invention works, the solar-cell scientists hook up to a multimeter, to show that an electric current from the DIY solar cell. ®

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