Silicon quantum dots: surface matters

K Dohnalová, T Gregorkiewicz… - Journal of Physics …, 2014 - iopscience.iop.org
Silicon quantum dots (SiQDs) hold great promise for many future technologies. Silicon is
already at the core of photovoltaics and microelectronics, and SiQDs are capable of efficient …

GaN in different dimensionalities: Properties, synthesis, and applications

Y Chen, J Liu, K Liu, J Si, Y Ding, L Li, T Lv… - Materials Science and …, 2019 - Elsevier
Wurtzite GaN materials underpin many aspects of optoelectronic applications due to the
special tetrahedral-coordinated structure. Compared with three dimensional (3D) GaN, low …

[HTML][HTML] Quantum confinement in Si and Ge nanostructures: Theory and experiment

EG Barbagiovanni, DJ Lockwood, PJ Simpson… - Applied Physics …, 2014 - pubs.aip.org
The role of quantum confinement (QC) in Si and Ge nanostructures (NSs) including quantum
dots, quantum wires, and quantum wells is assessed under a wide variety of fabrication …

Red spectral shift and enhanced quantum efficiency in phonon-free photoluminescence from silicon nanocrystals

W De Boer, D Timmerman, K Dohnalova… - Nature …, 2010 - nature.com
Crystalline silicon is the most important semiconductor material in the electronics industry.
However, silicon has poor optical properties because of its indirect bandgap, which prevents …

Introductory lecture: origins and applications of efficient visible photoluminescence from silicon-based nanostructures

L Canham - Faraday Discussions, 2020 - pubs.rsc.org
A variety of silicon-based nanostructures with dimensions in the 1–5 nm range now emit
tunable photoluminescence (PL) spanning the visible range. Achievement of high …

Lighting up silicon nanoparticles with Mie resonances

C Zhang, Y Xu, J Liu, J Li, J **ang, H Li, J Li… - Nature …, 2018 - nature.com
As one of the most important semiconductors, silicon has been used to fabricate electronic
devices, waveguides, detectors, solar cells, etc. However, the indirect bandgap and low …

Silicon coupled with plasmon nanocavities generates bright visible hot luminescence

CH Cho, CO Aspetti, J Park, R Agarwal - Nature photonics, 2013 - nature.com
To address the limitations in device speed and performance in silicon-based electronics,
there have been extensive studies on silicon optoelectronics with a view to achieving …

Bright silicon nanocrystals from a liquid precursor: Quasi-direct recombination with high quantum yield

TA Pringle, KI Hunter, A Brumberg, KJ Anderson… - Acs Nano, 2020 - ACS Publications
Silicon nanocrystals (SiNCs) with bright bandgap photoluminescence (PL) are of current
interest for a range of potential applications, from solar windows to biomedical contrast …

Direct Bandgap Silicon: Tensile‐Strained Silicon Nanocrystals

K Kůsová, P Hapala, J Valenta… - Advanced Materials …, 2014 - Wiley Online Library
Silicon, a semiconductor underpinning the vast majority of microelectronics, is an indirect‐
gap material and consequently is an inefficient light emitter. This hampers the ongoing …

Emerging atomic energy levels in zero-dimensional silicon quantum dots

N Shirahata, J Nakamura, J Inoue, B Ghosh… - Nano Letters, 2020 - ACS Publications
Driven by the emergence of colloidal semiconductor quantum dots (QDs) of tunable
emission wavelengths, characteristic of exciton absorption peaks, outstanding photostability …