Oil sucks, wind blows.
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I found this story:
http://www.fieldlines.com/story/2005/5/3/205028/6819
and wanted to try this homemade solar cell.
Till now I have seen only 150mA from this cell.May be problem is that my lense is only 90mm diametre. Can't find bigger ones available.I have a lot of different old (USSR)transistors. Here are some pictures.All they can produce some energy. I can see that little compound on cristal makes it worse, the size of cristal doesn't affect much to output current.
Please send Your comments and pictures of related information.