PHOTON AND CARRIER MANAGEMENT DESIGN FOR NONPLANAR THIN-FILM COPPER INDIUM GALLIUM DISELENIDE PHOTOVOLTAICS

摘要

Photovoltaic structures are disclosed. The structures can comprise randomly or periodically structured layers, a dielectric layer to reduce back diffusion of charge carriers, and a metallic layer to reflect photons back towards the absorbing semiconductor layers. This design can increase efficiency of photovoltaic structures. The structures can be fabricated by nanoimprint.

主权项

1. A photovoltaic structure comprising:
a metallic layer; a copper indium gallium diselenide (CIGS) layer on the metallic layer; a CdS layer on the CIGS layer, conformal to the CIGS layer; and an Al-doped ZnO layer on the CdS layer.