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The flow of electrons in a photovoltaic p-n junction

  1. Aug 11, 2017 #1
    Hi,


    how is the movement of the electrons in photovoltaic?

    I understand that there is n and p layer. What I do not understand is why the electrons does not move more directly to the p-side from the n-side. In the currect explanation it requires a circuitry.

    Thanx.
     
  2. jcsd
  3. Aug 11, 2017 #2

    scottdave

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