Silicon compound nanomaterials: Exploring emission mechanisms and photobiological applications

A Dutt, RA Salinas, SE Martínez-Tolibia… - Advanced Photonics …, 2023 - Wiley Online Library
After the first visible photoluminescence (PL) from porous silicon (pSi), continuous efforts are
made to fabricate Si‐based compound nanomaterials embedded in matrices such as oxide …

Silicon nanocrystals produced by nanosecond laser ablation in an organic liquid

K Abderrafi, R Garcia Calzada… - The Journal of …, 2011 - ACS Publications
Small (3− 5 nm in diameter following HRTEM images) Si nanocrystals were produced in a
two-stage process including (1) nanosecond laser ablation of a Si target in an organic liquid …

Photoluminescence properties and crystallization of silicon quantum dots in hydrogenated amorphous Si-rich silicon carbide films

G Wen, X Zeng, X Wen, W Liao - Journal of Applied Physics, 2014 - pubs.aip.org
Silicon quantum dots (QDs) embedded in hydrogenated amorphous Si-rich silicon carbide
(α-SiC: H) thin films were realized by plasma-enhanced chemical vapor deposition process …

Controlled chemical etching for silicon nanocrystals with wavelength-tunable photoluminescence

K Sato, H Tsuji, K Hirakuri, N Fukata… - Chemical …, 2009 - pubs.rsc.org
Controlled chemical etching for silicon nanocrystals with wavelength-tunable photoluminescence -
Chemical Communications (RSC Publishing) DOI:10.1039/B903313K Royal Society of Chemistry …

Theoretical study of chlorine for silicon nanocrystals

Y Ma, X Chen, X Pi, D Yang - The Journal of Physical Chemistry C, 2011 - ACS Publications
In the framework of density functional theory we show that a chlorine (Cl) atom prefers
residing at the surface of silicon nanocrystals (Si NCs) in single coordination, passivating a …

Strong white and blue photoluminescence from silicon nanocrystals in SiNx grown by remote PECVD using SiCl4/NH3

A Benami, G Santana, A Ortiz, A Ponce… - …, 2007 - iopscience.iop.org
Strong white and blue photoluminescence (PL) from as-grown silicon nanocrystals (nc-Si) in
SiN x films prepared by remote plasma enhanced chemical vapour deposition using SiCl …

Polymorphous silicon thin films obtained by plasma-enhanced chemical vapor deposition using dichlorosilane as silicon precursor

A Remolina, BM Monroy, MF García-Sánchez… - …, 2009 - iopscience.iop.org
Polymorphous silicon thin films (pm-Si) have been deposited from mixtures of dichlorosilane
and hydrogen, using argon as the diluting gas by plasma-enhanced chemical vapor …

Theoretical study of the electronic properties of silicon nanocrystals partially passivated with Cl and F

E Ramos, BM Monroy, JC Alonso… - The Journal of …, 2012 - ACS Publications
Density functional theory calculations and theoretical representations of the density of states
(DOS) were undertaken in order to understand the electronic properties of silicon …

Optical gain observation on silicon nanocrystals embedded in silicon nitride under femtosecond pumping

BM Monroy, O Crégut, M Gallart, B Hönerlage… - Applied Physics …, 2011 - pubs.aip.org
We report the observation of positive optical gain in silicon nanocrystals (Si-nc) embedded
in silicon nitride measured by the variable stripe length technique. We evidence the onset of …

Multi-band silicon quantum dots embedded in an amorphous matrix of silicon carbide

G Chang, F Ma, D Ma, K Xu - Nanotechnology, 2010 - iopscience.iop.org
Silicon quantum dots embedded in an amorphous matrix of silicon carbide were realized by
a magnetron co-sputtering process and post-annealing. X-ray photoelectron spectroscopy …