A new type of amorphous silicon photovoltaic cell generating more than 2.0 V

Abstract
A new type of plasma‐deposited amorphous silicon photovoltaic cell having a horizontally multilayered pin unit‐cell structure has been developed. The open‐circuit voltage Voc is nearly proportional to the number of repetitions of the pin unit cell. Almost‐constant energy‐conversion efficiencies of around 4% have been obtained with Voc ranging from 0.6 to 2.4 V by applying a simple optimum design rule to the cell‐construction parameters.

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