Porous silicon: a quantum sponge structure for silicon based optoelectronics

O Bisi, S Ossicini, L Pavesi - Surface science reports, 2000 - Elsevier
The striking photoluminescence properties of porous silicon have attracted considerable
research interest since their discovery in 1990. Luminescence is due to excitonic …

Semiconductor quantum dots and related systems: electronic, optical, luminescence and related properties of low dimensional systems

AD Yoffe - Advances in physics, 2001 - Taylor & Francis
This review seeks to extend the scope of both the experimental and theoreticalwork carried
out since I completed my 1993 review on the electronic, optical, andto a lesser extent, the …

Time-dependent density-functional calculations for the optical spectra of molecules, clusters, and nanocrystals

JR Chelikowsky, L Kronik… - Journal of Physics …, 2003 - iopscience.iop.org
In this review, we will describe calculations using time-dependent density-functional theory
(DFT) combined with pseudopotentials to determine excited state properties of matter. While …

Excitonic effects and the optical absorption spectrum of hydrogenated Si clusters

M Rohlfing, SG Louie - Physical Review Letters, 1998 - APS
We calculate the optical absorption spectrum of hydrogen-terminated silicon clusters by
solving the Bethe-Salpeter equation for the two-particle Green's function using an ab initio …

Illuminating silicon surface hydrosilylation: an unexpected plurality of mechanisms

JM Buriak - Chemistry of Materials, 2014 - ACS Publications
Silicon is the cornerstone material of the semiconductor industry. As feature sizes on chips
continue to decrease in size, the ratio of surface to bulk increases, and as a result, the role of …

Ab Initio Absorption Spectra and Optical Gaps in Nanocrystalline Silicon

I Vasiliev, S Öğüt, JR Chelikowsky - Physical Review Letters, 2001 - APS
The optical absorption spectra of Si n H m nanoclusters up to∼ 250 atoms are computed
using a linear response theory within the time-dependent local density approximation …

Optical properties of Si clusters and Si nanocrystallites in high-temperature annealed films

T Inokuma, Y Wakayama, T Muramoto, R Aoki… - Journal of applied …, 1998 - pubs.aip.org
Structure, optical absorption and photoluminescence (PL) properties of SiO x films subjected
to thermal annealing at 750–1100° C are investigated. Si crystallites with a few nanometers …

Surface oxidation effects on the optical properties of silicon nanocrystals

I Vasiliev, JR Chelikowsky, RM Martin - Physical Review B, 2002 - APS
We report first-principles calculations for optical absorption spectra of hydrogenated silicon
clusters in the presence of oxygen on the surface. Our computational technique is based on …

First-principles density-functional calculations for optical spectra of clusters and nanocrystals

I Vasiliev, S Öğüt, JR Chelikowsky - Physical Review B, 2002 - APS
Electronic and structural calculations for atomic clusters present many challenges for
traditional theoretical methods. While the computational framework for ground-state …

High Level Ab Initio Calculations of the Optical Gap of Small Silicon Quantum Dots

CS Garoufalis, AD Zdetsis, S Grimme - Physical review letters, 2001 - APS
Using state of the art time-dependent density functional theory and multireference second-
order perturbation theory, we have accurately calculated (within 0.3 eV) in real space the …