Confinement effects in PbSe quantum wells and nanocrystals
The effect of quantum confinement in PbSe quantum wells and dots is studied using tight binding calculations
G. Allan; C. Delerue
2004
Scholarcy highlights

The effect of quantum confinement in PbSe quantum wells and dots is studied using tight binding calculations

The energy gap increases as the inverse of the size both for wells and dots

For PbSe nanocrystals, the luminescence lifetime, the confinement energy, and the intraband optical properties are in good agreement with experiments

E1, E2, and E3 indicate the main transitions at critical points of the band structure.Reuse & Permissions

The electronic structure of bulk PbSe can be described by linear chains of p orbitals with only ppσ interactions.Reuse & Permissions

Band structure of bulk PbSe in the direction starting from the critical point Σ along the axis.Reuse & Permissions

Straight line: fit of the electron intraband transition energy: E=1∕(1.05D).Reuse & Permissions
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