Quantum dot solar cells (QDSCs) are attractive technology for commercialization, owing to
various advantages, such as cost effectiveness, and require relatively simple device …

Nanoscale science and technology is a young and burgeoning field that encompasses
nearly every discipline of science and engineering. With rapid advances in areas such as …

Self-assembled strained semiconductor nanostructures have been grown on GaAs
substrates to fabricate quantum dot infrared photodetectors. State-filling photoluminescence …

Abstract Comparison of near-field and far-field photoluminescence excitation (PLE) spectra
gives new insight into the carrier relaxation process in InGaAs/GaAs self-assembled …

We investigate factors which control the optical properties of quantum dots filled with N
excitons. Detailed calculation of the electronic structure of these excitonic artificial atoms is …

Artificial atoms with up to five well-defined electronic shells are fabricated using self-
assembled quantum dots (QD's) grown by molecular-beam epitaxy. State-filling …

State-filling spectroscopy is used to study the effects of alloy intermixing in quantum-dot (QD)
ensembles having well-defined electronic shells. Rapid thermal annealing is performed on …

A detailed analysis of the electro-optical response of single as well as coupled
semiconductor quantum dots is presented. This is based on a realistic—ie, fully …

The hyperfine interaction of an electron with the unpolarized nuclei in thermally annealed
self-assembled InAs/GaAs quantum dots (QDs) is theoretically analyzed. For this purpose …

We report significant differences in the temperature-dependent and time-resolved
photoluminescence (PL) from low and high surface density In x Ga 1− x As/GaAs quantum …