Instabilities in semiconductor heterostructure growth can be exploited for the self-organized
formation of nanostructures, allowing for carrier confinement in all three spatial dimensions …

▪ Abstract As a result of their fully quantized electronic states and high radiative efficiencies,
self-assembled quantum dots have enabled major advances in fundamental physics studies …

The intermediate-band solar cell (IBSC) concept has been recently proposed to enhance the
current gain from the solar spectrum whilst maintaining a large open-circuit voltage. Its main …

Intermediate band solar cells (IBSCs) fabricated to date from In (Ga) As/GaAs quantum dot
arrays (QD-IBSC) exhibit a quantum efficiency (QE) that extends to below bandgap …

Ru/CeO2 single-atom catalysts (SAC) are highly selective for the hydrogenation of CO2 to
CO. In this study, we developed a molecular-level understanding of the reverse water–gas …

We report the routing of quantum light emitted by self-assembled InGaAs quantum dots
(QDs) into the optical modes of a GaAs ridge waveguide and its efficient detection on-chip …

We demonstrate the ability to control the spontaneous emission dynamics of self-assembled
quantum dots via the local density of optical modes in two-dimensional (2D) photonic …

Self-assembled semiconductor quantum dots (QDs) exhibit fully quantized electronic states
and high radiative efficiencies. This makes them highly suitable both for fundamental …

The intermediate band solar cell (IBSC) has drawn the attention of the scientific community
as a means to achieve high-efficiency solar cells. Complete IBSC devices have been …

Current prototypes of quantum-dot intermediate band solar cells suffer from voltage
reduction due to the existence of thermal carrier escape. An enlarged subbandgap EL would …