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Exciton affinity of quantum dots

โœ Scribed by F.B. Pedersen; U.E.H. Laheld; P.C. Hemmer

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
29 KB
Volume
18
Category
Article
ISSN
0749-6036

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๐Ÿ“œ SIMILAR VOLUMES

Exciton affinity of quantum dots
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โœ F.B. Pedersen; U.E.H. Laheld; P.C. Hemmer ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 195 KB

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

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It is known experimentally that stable charged-exciton complexes can exist in low-dimensional semiconductor nanostructures. Much less is known about the properties of such charged-exciton complexes since three-body problems are very difficult to solve, even numerically. Here we introduce the correla

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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