Abstract

An organic solar cell model is developed that consists of both excitonic and classical bipolar aspects of solar cells. In order to be compatible with the principle of detailed balance theory we have imported the photon recycling term in our equations. As a result we connected the Shockley-Queisser (SQ) theory to the classical diode theory. This model for excitonic and classical bipolar solar cells can describes the combined transport and interaction of electrons, holes and excitons. For high mobilities our model reproduces the Shockley Queisser efficiency limit. We show how varying the respective mobilities of the different species changes the operation mode of the solar cell path between excitonic and bipolar.

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