Interband optical absorption in quantum well solar cells
2013
Luque López, Antonio | Antolín Fernández, Elisa | García Linares, Pablo | Ramiro González, Iñigo | Mellor Null, Alexander Virgil | Tobías Galicia, Ignacio | Martí Vega, Antonio
The eigenfunctions and the interband photon absorption of a solar quantum well solar cell are calculated using the K.p Empirical Hamiltonian developed for quantum dot solar cells. The calculations are compared with the measured quantum efficiency in a prototype quantum well solar cell. The agreement is reasonably good. The absorption with quantum wells is found to be much greater than with quantum dots. This is due, besides the higher number of states, to the partially extended nature of quantum well wavefunctions that leads to photon matrix elements which are substantially different to those applicable to quantumdots.
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Эту запись предоставил Universidad Politécnica de Madrid