One quick question..
I found out that a silicon solar cell need photons of exact 1.1ev to dislodge its electron and induce current. If the photon in the light has lower than 1.1eV energy than the solar cell wont be able to dislodge it's electron. While if the light's photon contain energy more than 1.1ev, say a photon contain 3.1ev, the solar cell will only use 1.1ev and rest 2 ev will be lost as heat.
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MY QUESTION IS
As we all know red light and blue light have different photon energy. Red light photons has 1.60ev and blue light photons hold 2.50ev.
We also know that solar cell can only use 1.1ev from any coloured light photon.
When I checked how much power solar cell produced in different coloured lights..there power produce where all different. Where red produced the most power and blue the least.
Why is it?
Should the power produced be all the same..since solar cell only use 1.1ev no matter what?
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- Thread Starter
- 27-01-2015 12:33