We review recent progress towards increasing solar cell efficiencies beyond the Shockley‐
Queisser efficiency limit. Four main approaches are highlighted: multi‐junction cells …

We summarize our recent explorations of photophysical mechanisms that may be utilized in
solar cells with power conversion efficiency theoretically exceeding the Shockley–Queisser …

The combination of photonics and silicon technology is a great challenge because of the
potentiality of coupling electronics and optical functions on a single chip. Silicon …

The strong Coulombic interactions in miniaturized structures can lead to efficient carrier
multiplication, which is essential for many-body physics and design of efficient photonic …

We report a rigorous analytical approach based on one-particle phonon confinement model
to realize direct detection of nanocrystal size distribution and volume fraction by using …

Carrier multiplication (CM), the possibility to generate more than one exciton in a
semiconductor quantum dot (QD) after absorption of a single photon has been intensely …

Abstract Silicon quantum dots (Si-QDs) represent a well-known QD fluorophore that can emit
throughout the visible spectrum depending on the interface structure and surface functional …

We present calculations predicting that defects at the surface of semiconductor nanocrystals
have a strong influence on the dynamics of hot carriers after photoexcitation. The relaxation …

The Auger process provides one of the most important nonradiative recombination channels
in semiconductors and strongly enhances in nanostructures. In this paper, we investigate …

We present a theoretical study of Ge-core/Si-shell nanocrystals in a wide bandgap matrix
and compare the results with experimental data obtained from the samples prepared by co …