Silicon quantum dots: surface matters
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 …
already at the core of photovoltaics and microelectronics, and SiQDs are capable of efficient …
Recent advances in optical properties and applications of colloidal quantum dots under two-photon excitation
R Gui, H **, Z Wang, L Tan - Coordination Chemistry Reviews, 2017 - Elsevier
During the past two decades, great effort has been dedicated to two-photon excited colloidal
quantum dots (QDs) because of their unique optical properties and significant applications …
quantum dots (QDs) because of their unique optical properties and significant applications …
Step-like enhancement of luminescence quantum yield of silicon nanocrystals
Carrier multiplication by generation of two or more electron–hole pairs following the
absorption of a single photon may lead to improved photovoltaic efficiencies and has been …
absorption of a single photon may lead to improved photovoltaic efficiencies and has been …
Brightly luminescent organically capped silicon nanocrystals fabricated at room temperature and atmospheric pressure
Silicon nanocrystals are an extensively studied light-emitting material due to their inherent
biocompatibility and compatibility with silicon-based technology. Although they might seem …
biocompatibility and compatibility with silicon-based technology. Although they might seem …
Evolution of the ultrafast photoluminescence of colloidal silicon nanocrystals with changing surface chemistry
The role of surface species in the optical properties of silicon nanocrystals (SiNCs) is the
subject of intense debate. Changes in photoluminescence (PL) energy following …
subject of intense debate. Changes in photoluminescence (PL) energy following …
Determination of absolute quantum yields of luminescing nanomaterials over a broad spectral range: from the integrating sphere theory to the correct methodology
J Valenta - Nanoscience Methods, 2014 - Taylor & Francis
Determination of fluorescence or photo-and electro-luminescence quantum yield (QY) is of
increasing importance for standardization of novel light-emitting materials like …
increasing importance for standardization of novel light-emitting materials like …
Strained interface defects in silicon nanocrystals
The surface of silicon nanocrystals embedded in an oxide matrix can contain numerous
interface defects. These defects strongly affect the nanocrystals' photoluminescence …
interface defects. These defects strongly affect the nanocrystals' photoluminescence …
Radiative exciton recombination and defect luminescence observed in single silicon nanocrystals
T Schmidt, AI Chizhik, AM Chizhik, K Potrick… - Physical Review B …, 2012 - APS
The role of quantum confinement (QC) and surface-related defect centers (DCs) on the
photoluminescence (PL) of individual silicon nanocrystals (Si NCs) is investigated using …
photoluminescence (PL) of individual silicon nanocrystals (Si NCs) is investigated using …
Non-exponential decay kinetics: correct assessment and description illustrated by slow luminescence of Si nanostructures
The treatment of time-resolved (TR) photoluminescence (PL) decay kinetics is analysed in
details and illustrated by experiments on semiconductor quantum dots, namely silicon …
details and illustrated by experiments on semiconductor quantum dots, namely silicon …
White-emitting oxidized silicon nanocrystals: Discontinuity in spectral development with reducing size
Small oxidized silicon nanocrystals of average sizes below 3.5 nm are prepared using
modified electrochemical etching of a silicon wafer. Modifications introduced in the etching …
modified electrochemical etching of a silicon wafer. Modifications introduced in the etching …