Size vs Surface: Tuning the Photoluminescence of Freestanding Silicon Nanocrystals Across the Visible Spectrum via Surface Groups

M Dasog, GB De los Reyes, LV Titova, FA Hegmann… - ACS …, 2014 - ACS Publications
The syntheses of colloidal silicon nanocrystals (Si-NCs) with dimensions in the 3–4 nm size
regime as well as effective methodologies for their functionalization with alkyl, amine …

Chemical insight into the origin of red and blue photoluminescence arising from freestanding silicon nanocrystals

M Dasog, Z Yang, S Regli, TM Atkins, A Faramus… - Acs Nano, 2013 - ACS Publications
Silicon nanocrystals (Si NCs) are attractive functional materials. They are compatible with
standard electronics and communications platforms and are biocompatible. Numerous …

Immobilization of doped TiO2 nanostructures with Cu or In inside of macroporous silicon using the solvothermal method: Morphological, structural, optical and …

A Garzon-Roman, C Zuñiga-Islas… - Ceramics …, 2020 - Elsevier
Abstract Copper (Cu) and Indium (In) doped titanium dioxide (TiO2) obtained by a
solvothermal method was confined in Porous Silicon (PS) prepared by Metal-Assisted …

The effect of ligands and solvents on nonradiative transitions in semiconductor quantum dots (a review)

VL Ermolaev - Optics and Spectroscopy, 2018 - Springer
Data on quantum yields and photoluminescence decay times of quantum dots have been
collected. Photoprocesses that occur in quantum dots are compared with photoprocesses …

Time-resolved photoluminescence spectroscopy of the initial oxidation stage of small silicon nanocrystals

K Dohnalová, K Kůsová, I Pelant - Applied Physics Letters, 2009 - pubs.aip.org
In this paper we study the influence of progressing oxidation on the photoluminescence
spectra of small silicon nanocrystals (SiNCs). H-terminated SiNCs exhibit only a fast …

Environmentally friendly processing technology for engineering silicon nanocrystals in water with laser pulses

V Svrcek, D Mariotti, U Cvelbar, G Filipic… - The Journal of …, 2016 - ACS Publications
Herein, we demonstrate the customized, environmentally friendly tailoring of nanoparticles
and their surface chemistry by short pulsed laser irradiation in liquids. This process allows …

Structure, morphology, and photoluminescence of porous Si nanowires: effect of different chemical treatments

I Leontis, A Othonos, AG Nassiopoulou - Nanoscale research letters, 2013 - Springer
The structure and light-emitting properties of Si nanowires (SiNWs) fabricated by a single-
step metal-assisted chemical etching (MACE) process on highly boron-doped Si were …

Size-dependent visible absorption and fast photoluminescence decay dynamics from freestanding strained silicon nanocrystals

S Dhara, PK Giri - Nanoscale research letters, 2011 - Springer
In this article, we report on the visible absorption, photoluminescence (PL), and fast PL
decay dynamics from freestanding Si nanocrystals (NCs) that are anisotropically strained …

Lifetime enhancement in the laser-induced periodic surface structures on Si (100) probed by ultrafast transient absorption spectroscopy

K Kumar, N Vashistha, JS Tawale, S Tiwari… - Physica B: Condensed …, 2023 - Elsevier
Laser-induced periodic surface structures are created by irradiating a Si (001) wafer with a
femtosecond pulse laser, and then ultrafast transient absorption spectroscopy is carried out …

Near-infrared silicon quantum dots metal-oxide-semiconductor field-effect transistor photodetector

JM Shieh, WC Yu, JY Huang, CK Wang, BT Dai… - Applied Physics …, 2009 - pubs.aip.org
A fully silicon-based metal-oxide-semiconductor field-effect transistor is demonstrated for the
detection of near-infrared light. Si nanocrystals (nc-Si) are synthesized in the nanopore …