Patent ID: 7977568
Filing Date: 2011-07-12
Classification: H01L,Y02E,Y02P,Y10S

Abstract:
1. A photovoltaic device comprising: a substrate having two surfaces; a multilayered film disposed on at least one of the at least two surfaces of the substrate; the multilayered film comprising (a) at least one layer that is part of a first photoactive junction, and (b) a first tunnel junction layer disposed over the first photoactive junction; a plurality of elongated nanostructures disposed on the first tunnel junction layer of the multilayered film, wherein the first tunnel junction layer is located between the substrate and the nanostructures; and a conformal layer disposed on the nanostructures, wherein the conformal layer forms a part of a second photoactive junction; the second photoactive junction separated from the first photoactive junction by the first tunnel junction layer.