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Iron oxide cell?

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Posted by Ed Ferris on September 3, 2008, 4:33 pm
Is there any example of an iron / iron oxide photovoltaic cell, analogous
to the cuprous oxide Geiger cell?  I find in the literature that
ferrous/ferric oxide is indeed a semiconductor.  Rust on iron would be even
cheaper than amorphous silicon.  Perhaps we can convert all those old rusty
cars to self-generating electric propulsion?

Posted by Eeyore on September 4, 2008, 3:59 am

Ed Ferris wrote:

And where did you stumble upon this nugget of knowledge ?


Posted by Ed Ferris on September 4, 2008, 4:41 pm

Assuming the nugget in question is iron oxide being a semiconductor, I
searched for "iron oxide semiconductor" on Google.  None of the results
were about photovoltaics, though.
Neither Cu2O or FeO are in the table of semiconductors in my old copy of
the CRC Handbook.

Posted by spaco on September 4, 2008, 8:30 pm
 Just because it's a semiconductor, what makes you think it's a
photovoltaic generator?

Pete Stanaitis

Ed Ferris wrote:

Posted by Ed Ferris on September 5, 2008, 2:54 am

If my first name were "Rusty", you might.  I must confess I intend the
designation "Ferris ferrous cell" for the device.

If copper oxide works, why not iron oxide?

Does anybody have any figures on the band gap? or info on where to find it?

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