[sdiy] Eu might be banning Vactrols and LDRs??

[Ian Fritz]

At 07:30 PM 9/10/2009, Aaron Lanterman wrote:
>It's been a good, uhm, 18 or so years since I last looked at this
>device physics stuff, so this is probably a silly question, but...
>would be it possible to "hack" a solar cell to make it act as a
>photoresistor? Chop off part of it and attach some wires or something?

Not really.  A photoresistor must have a large intrinsic (dark) 
resistance.  Solar cells use low resistivity material in order to have low 
lateral resistance -- for collecting the photocarriers without I^2*R heat loss.

Ian





>Just idly curious.
>
>- Aaron
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