In the field of applied research the combination of graphene and a semiconductor to form a Schottky solar cell (SSC) was found to be very significant. When compared to other types of solar cells being developed (organic or perovskite solar cells), the simple production process is an undisputable advantage of an SSC composed of graphene and silicon semiconductor. This simplicity and compatibility with well-established semiconductor technologies ultimately result in a low production price. The main problem relating to the Schottky solar cells with a graphene/silicon interface is the decreased efficiency of photocharge collection due to a recombination on the interface. In order to decrease the effect on the efficiency due to the recombination, the graphene/silicon interface has been modified with 2 nm Al2O3.Keywords: Graphene, Al2O3, solar cell, RTA, EBIC a EQE
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