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Results tagged with electricity
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user 277167
The study of the presence and flow of electric charge. Charges, currents, fields, potentials.
0
votes
1
answer
539
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What is the relation between the short-circuit current and the band gap energy in solar cells?
For the VOC it is:
VOC = E_g - something,
where something is positive and depends on the Urbach energy. Otherwise it should be linear:
https://aip.scitation.org/doi/pdf/10.1063/1.49397
For the ISC I d …
2
votes
1
answer
69
views
Why don’t illuminated series connected (photo-)diodes bias each other?
When you connect, let's say, three photodiodes or solar cells, with a load, and you measure the voltage across the middle photodiode. Will the voltage change if
the adjacent cells are in the dark
if …
1
vote
1
answer
439
views
Why are we even interested in solar cells under bias voltage?
I couldn't find any answer on this super basic question.
Some people on the internet say that you would not put a solar cell in an array under bias, others say that they bias themselves, but I don't u …
2
votes
1
answer
711
views
Why is the diffusion length defined for minority charge carriers only?
As far as I could infer from the solar cell literature, when talk is about the "diffusion length", only the minority carriers are concerned.
Is there a diffusion length defined for majority carriers? …