Patent ID: 8110828
Filing Date: 2012-02-07
Classification: H01L,Y02E,Y02P

Abstract:
1. A photovoltaic module comprising: a substrate; and a plurality of solar cells linearly arranged on said substrate, the plurality of solar cells comprising a first solar cell and a second solar cell, each solar cell in said plurality of solar cells comprising: the transparent conductive layer of the first solar cell in said plurality of solar cells is in serial electrical communication with the back-electrode of the second solar cell in said plurality of solar cells, and wherein a layer of said semiconductor junction is constructed by: i) depositing, during a first period of time, at least one Group IIIA element and at least one Group VIA element on said back-electrode; ii) depositing, during a second period of time, at least one Group IB element and said at least one group VIA element, on the substrate or on the optional layer that is optionally disposed on the substrate, wherein at least a portion of said at least one Group IB element combines with said at least one Group VIA element to form a IB iii) monitoring a first deposition state, during said depositing step ii), by making a first plurality of measurements of an indicia of said first deposition state; and iv) terminating or attenuating said depositing step ii) at a first critical control point based on a function of said first plurality of measurements of said indicia of said first deposition state.