Binding energy of excitons in cylindrical quantum dots
✍ Scribed by S. Le Goff; B. Stébé
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 302 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0038-1098
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📜 SIMILAR VOLUMES
An exciton may be attached to a quantum dot if the conduction-band and valence-band offsets, for a given dot size, satisfy certain inequalities. Alternatively, for a set of finite offsets, the dot dimension must exceed a minimal size for an exciton to be bound to the dot. These critical offset or do
A theory of intrinsic radiative lifetimes of excitons in semiconductor quantum dots is presented. Simple closed-form expressions for the decay times are obtained for quantum dots fabricated from quasi-two-dimensional systems. In particular, the intrinsic temperature-dependent photoluminescence decay