PROCESS FOR THE PRODUCTION OF PHOTOVOLTAIC CELLS
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Sep 5, 2011
filing date -
Sep 3, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention is related to a process for the manufacturing of a photovoltaic cell comprising the steps of:—providing a semiconductor substrate said semiconductor substrate comprising an insulating layer on its top surface;—implanting semiconductor ions selected from the group consisting of silicon, germanium and their mixture by ionic implantation in the insulating layer for obtaining an implanted insulating layer, the ionic implantation fluence being higher than 1.1017at./cm2, the maximum semiconductor concentration in the insulating layer after implantation being higher than the solubility of the semiconductor in the insulating layer;—thermally treating the implanted insulating layer for inducing the precipitation of the semiconductor into quantum dots;—depositing at least two conducting contacts for collecting, in use, the generated current.
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