Abstract
The evolution in time is studied of the luminescence resulting from the decay of excitons created by a pulse of light in thin films with absorbing boundaries. General analytical expressions are presented both for perfectly ordered films and for disordered ones, the results for the latter being expressed in terms of a frequency- dependent diffusion coefficient. At sufficiently long times, the intensity of the luminescence decays exponentially with time for both types of system, the boundaries contributing to the decay rate a term proportional to the inverse square of the film thickness.
| Original language | English |
|---|---|
| Pages (from-to) | 303-306 |
| Number of pages | 4 |
| Journal | Thin Solid Films |
| Volume | 89 |
| Issue number | 3 |
| DOIs | |
| State | Published - 19 Mar 1982 |