Low-temperature photoluminescence properties of Nd-doped silicon oxide thin films containing silicon nanocrystals
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2016.11.048
Abstract: Abstract The luminescence properties of neodymium-doped silicon oxide thin films containing silicon nanocrystals (Si-nc) were studied as a function of temperature from 10 to 300 K by steady-state and time-resolved photoluminescence (PL) spectrometry. The Nd-related emission… read more here.
Keywords: silicon nanocrystals; thin films; doped silicon; silicon oxide ... See more keywords
Optical properties of high photoluminescence silicon nanocrystals embedded in SiO2 matrices obtained by annealing hydrogen silsesquioxane
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials"
DOI: 10.1016/j.optmat.2018.07.063
Abstract: Abstract Thin films of silicon nanocrystals embedded in SiO2 matrices were prepared by annealing a photoresist of hydrogen silsesquioxane. As compared to films made by a common method of annealing SiOx (1 read more here.
Keywords: silicon nanocrystals; embedded sio2; hydrogen silsesquioxane; sio2 matrices ... See more keywords
Enhancement of the luminescence by the controlled growth of silicon nanocrystals in SRO/SiO2 superlattices
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.10.009
Abstract: Abstract This work reports the study of highly-luminescent silicon nanocrystals (Si NCs) in silicon rich oxide (SRO)/SiO2 multilayers (MLs). Parameters such as silicon excess (Si-excess) and SRO-thickness were modified to evaluate the structure and composition… read more here.
Keywords: silicon nanocrystals; enhancement luminescence; sro monolayers; silicon ... See more keywords
Size and Surface Effects of Silicon Nanocrystals in Graphene Aerogel Composite Anodes for Lithium Ion Batteries
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.8b03198
Abstract: Silicon is recognized as a promising anode material for high-performance lithium ion batteries due to its high theoretical specific capacity and elemental abundance. Challenges related to the low electrical conductivity of Si and large volume… read more here.
Keywords: silicon nanocrystals; graphene aerogel; ion batteries; lithium ion ... See more keywords
Mixed Surface Chemistry: An Approach to Highly Luminescent Biocompatible Amphiphilic Silicon Nanocrystals
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.8b04227
Abstract: Amphiphilic nanoparticles (AP-NPs) are attractive for many far-reaching applications in diverse sectors. Amphiphilic silicon nanocrystals (AP-SiNCs) are particularly promising for luminescence-based bioimaging, biosensing, and drug delivery because of their size- and surface chemistry-dependent photoluminescence (PL),… read more here.
Keywords: silicon nanocrystals; amphiphilic silicon; surface; chemistry ... See more keywords
Silicon Nanocrystals Functionalized with Photoactive Units for Dual-Potential Electrochemiluminescence
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.1c00261
Abstract: Silicon nanocrystals (SiNCs) have attracted attention due to their unique properties that render them particularly suitable for a high variety of applications, such as electrochemiluminescence (ECL... read more here.
Keywords: photoactive units; nanocrystals functionalized; functionalized photoactive; silicon nanocrystals ... See more keywords
Effect of Doping with Shallow Donors on Radiative and Nonradiative Relaxation in Silicon Nanocrystals: Ab Initio Study
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b09882
Abstract: Electronic structures of 1–2 nm in diameter hydrogen-passivated silicon nanocrystals and rates of the radiative interband transitions and Auger recombination were calculated on the basis of first-principles (DFT/TDDFT) methods for the nanocrystals doped with a… read more here.
Keywords: effect doping; silicon nanocrystals; temperature; doping shallow ... See more keywords
Ab Initio Plasmonics of Externally Doped Silicon Nanocrystals
Sign Up to like & getrecommendations! Published in 2019 at "ACS Photonics"
DOI: 10.1021/acsphotonics.9b00126
Abstract: Heavily doped semiconductor nanocrystals (NCs) represent a novel class of plasmonic materials: their hypertunable plasmonic resonances play a key role in different nanotechnology applications. The plasmonic properties of doped semiconductor NCs have been, to date,… read more here.
Keywords: initio plasmonics; plasmonics externally; doped silicon; externally doped ... See more keywords
Unravelling a simple method for the low temperature synthesis of silicon nanocrystals and monolithic nanocrystalline thin films
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep40553
Abstract: In this work, we present new results on the plasma processing and structure of hydrogenated polymorphous silicon (pm-Si:H) thin films. pm-Si:H thin films consist of a low volume fraction of silicon nanocrystals embedded in a… read more here.
Keywords: silicon nanocrystals; thin films; microscopy; unravelling simple ... See more keywords
Interfacing enzymes with silicon nanocrystals through the thiol-ene reaction.
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale"
DOI: 10.1039/c8nr05368e
Abstract: This study reports the preparation of functional bioinorganic hybrids, through application of the thiol-ene reaction, that exhibit catalytic activity and photoluminescent properties from enzymes and freestanding silicon nanocrystals. Thermal hydrosilylation of 1,7-octadiene and alkene-terminated poly(ethylene… read more here.
Keywords: silicon nanocrystals; thiol ene; spectroscopy; ene reaction ... See more keywords
The red and blue luminescence in silicon nanocrystals with an oxidized, nitrogen-containing shell.
Sign Up to like & getrecommendations! Published in 2020 at "Faraday discussions"
DOI: 10.1039/c9fd00092e
Abstract: Traditionally, two classes of silicon nanocrystals (SiNCs) are recognized with respect to their light-emission properties. These are usually referred to as the "red" and the "blue" emitting SiNCs, based on the spectral region in which… read more here.
Keywords: silicon nanocrystals; blue luminescence; nitrogen containing; red blue ... See more keywords