Role of anisotropy in the Förster energy transfer from a semiconductor quantum well to an organic crystalline overlayer

Details Role of anisotropy in the Förster energy transfer from a semiconductor quantum well to an organic crystalline overlayer Role of anisotropy in the Förster energy transfer from a semiconductor quantum well to an organic crystalline overlayer

2011-11-22

arxiv.org/abs/1111.5154v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 8 figures

Scientific paper

We consider the non-radiative resonant energy transfer from a two-dimensional Wannier exciton (donor) to a Frenkel exciton of a molecular crystal overlayer (acceptor). We characterize the effect of the optical anisotropy of the organic subsystem on this process. Using realistic values of material parameters, we show that it is possible to change the transfer rate within typically a factor of two depending on the orientation of the crystalline overlayer. The resonant matching of donor and acceptor energies is also partly tunable via the organic crystal orientation.

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