Abstract
The external characteristics of a β-metal-free phthalocyanine Schottky barrier solar cell are modelled. The model utilizes representative circuit parameters and calculates the photogeneration current based on depletion region absorption and the field dependence of photogeneration. Projected power efficiencies are calculated for the case where the effects of series resistance and absorption in the front contact are overcome. The field dependence of photogeneration of this particular material severely limits the solar cell efficiency. However, the model should be the applicable to any material with a similar field dependence of photogeneration. In addition, a method is suggested utilizing Förster radiationless transfer to improve the generation efficiency in organic photovoltaic devices.
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