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Manufacture your own solar panels. . .from scratch - Page 4

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Posted by ewitte on October 16, 2005, 10:23 am
Thanks.  I got it off of P2P so no problem.  I refuse to pay $ for
information.  Especially when its either false or over my
understanding.  So its a good method just not something the home user
can easily do... ie best for someone that can buy the metals in bulk
and have expensive machines to do the process.  Yes I've seen the
efficiences of those copper-oxide cells.


Posted by R.H. Allen on October 15, 2005, 4:50 pm
ewitte@hotmail.com wrote:

The "screen print method" outlined in your PDF is a means of making
cadmium telluride solar cells. In theory, they can have very good
efficiencies and have looked quite good in the laboratory. In
production, however, it has proven difficult to deposit the layers with
uniform quality. As a result, production yields and efficiencies have
been low. Just something to consider for folks who might like to try
this -- it will probably be quite sensitive to the cleanliness of your
workspace and your chemicals, and the thickness and uniformity of the
layers you print.

Oh, and be *exceedingly* careful if you're going to mess with cadmium
and tellurium. Keep them out of your kitchen, and don't be stupid enough
to heat them in an oven or grill that you plan to prepare food in later.

Posted by GeekBoy on October 12, 2005, 3:00 pm

In electonics pubs, scratch woudl mean even making your own cells.

Posted by Steve Spence on October 12, 2005, 3:18 pm
 GeekBoy wrote:

not really. we don't assume folks would make their own transistors ....

Steve Spence
Dir., Green Trust, http://www.green-trust.org
Contributing Editor, http://www.off-grid.net

Posted by GeekBoy on October 12, 2005, 4:03 pm

true true when you could just buy them for pennies.

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