Atomistic simulations of the optical absorption of type-II CdSe/ZnTe superlattices
1 Université Européenne de Bretagne, INSA, FOTON, UMR 6082, Rennes, 35708, France
2 Nanophysics and Semiconductors Group, Institut Néel-CNRS, Grenoble, 38042, France
3 Nanophysics and Semiconductor Group, CEA/Université Joseph Fourier, CEA/INAC/SP2M, Grenoble, 38054, France
Nanoscale Research Letters 2012, 7:543 doi:10.1186/1556-276X-7-543Published: 2 October 2012
We perform accurate tight binding simulations to design type-II short-period CdSe/ZnTe superlattices suited for photovoltaic applications. Absorption calculations demonstrate a very good agreement with optical results with threshold strongly depending on the chemical species near interfaces.