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 …

Nanocrystals for silicon-based light-emitting and memory devices

SK Ray, S Maikap, W Banerjee… - Journal of Physics D …, 2013 - iopscience.iop.org
Nanocrystals (NCs), representing a zero-dimensional system, are an ideal platform for
exploring quantum phenomena on the nanoscale, and are expected to play a major role in …

[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 …

Size-dependent photoluminescence efficiency of silicon nanocrystal quantum dots

Y Yu, G Fan, A Fermi, R Mazzaro… - The Journal of …, 2017 - ACS Publications
Photoluminescence (PL) spectra were measured for dodecene-capped Si nanocrystals with
a wide range of average diameters, from 1.8 to 9.1 nm. Nanocrystals larger than 3 nm …

Brightly luminescent organically capped silicon nanocrystals fabricated at room temperature and atmospheric pressure

K Kusová, O Cibulka, K Dohnalová, I Pelant… - ACS …, 2010 - ACS Publications
Silicon nanocrystals are an extensively studied light-emitting material due to their inherent
biocompatibility and compatibility with silicon-based technology. Although they might seem …

Photoluminescence from silicon nanostructures: the mutual role of quantum confinement and surface chemistry

A Saar - Journal of Nanophotonics, 2009 - spiedigitallibrary.org
Recent developments in the field of silicon nanostructures, particularly those properties and
phenomena that are related to the photoluminescence (PL) from silicon nanostructures …

Silicon nanocrystals: fundamental theory and implications for stimulated emission

VA Belyakov, VA Burdov, R Lockwood… - Advances in Optical …, 2008 - Wiley Online Library
Silicon nanocrystals (NCs) represent one of the most promising material systems for light
emission applications in microphotonics. In recent years, several groups have reported on …

[書籍][B] Handbook of nanophysics: nanoelectronics and nanophotonics

KD Sattler - 2010 - taylorfrancis.com
Many bottom-up and top-down techniques for nanomaterial and nanostructure generation
have enabled the development of applications in nanoelectronics and nanophotonics …

Direct band gap silicon quantum dots achieved via electronegative cap**

AN Poddubny, K Dohnalová - Physical Review B, 2014 - APS
We propose a theoretical concept of switching between direct and indirect band gap
character in silicon quantum dots (SiQDs) by the use of surface potential induced by the …