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These leaves are actually advanced solar cells that mimic photosynthesis, the process by which their real-life counterparts convert sunlight and water into energy. According Nocera, the leaves, although small in size, ""could produce enough electricity to supply a house in a developing country with electricity for a day.
It is about the size of a poker playing card and fashioned from "inexpensive materials that are widely available", such as silicon, nickel, cobalt, and some electronics. It'll also require about a gallon of water in the process. Nocera says that the leaf is able to work under "simple conditions" and is highly stable. In laboratory research, he showed that his team's leaf worked continuously for "at least 45 hours" without a drop in activity."
The phenomenon, described as thermopower waves, “opens up a new area of energy research, which is rare,” says Michael Strano, MIT’s Charles and Hilda Roddey Associate Professor of Chemical Engineering, who was the senior author of a paper describing the new findings that appeared in Nature Materials on March 7. Like a collection of flotsam propelled along the surface by waves traveling across the ocean, it turns out that a thermal wave — a moving pulse of heat — traveling along a microscopic wire can drive electrons along, creating an electrical current.
Originally posted by Question Fate
and you wont ever hear about this again
2nd
Originally posted by Question Fate
and you wont ever hear about this again
2nd
Originally posted by Arbitrageur
reply to post by Arken
I want the advanced solar cells, how soon can I get them?
You can actually run on solar power at night using that tech, which is one problem with current solar tech, it doesn't work at night.
edit on 31-3-2011 by Arbitrageur because: clarification