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We present a solar cell based on a titanium dioxide / p-type silicon charge carrier separating heterojunction with an efficiency of 10.1%, on a cell area of 0.9 cm2. The solar cells were fabricated using industrial feasible processes like laser fired contacts on the rear and silicon nitride antireflection coating on the front side. The ultra-thin TiO2 layers (2.5 to 5.0 nm) were deposited on p-type...
We analyze the chemical passivation quality of silicon oxide-nanolayers on crystalline silicon wafers prepared by different oxidation methods with surface photo voltage and quasi-steady-state photo conductance measurements. It is shown that for wet chemical oxidation and plasma oxidation, adequate passivation of the interface defects is achieved by subsequent anneal in forming gas environment. Furthermore,...
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