Silicon quantum dots: surface matter, what next?

D Beri - Materials Advances, 2023 - pubs.rsc.org
Silicon quantum dots (SiQDs) are of great interest because they are believed to be harmless
to living organisms, mainly due to their low toxicity. They have great potential for various …

Applications and perspective of silicon particles in hyperpolarized 29Si magnetic resonance imaging

QS Luu, J Kim, D Jo, J Jeong, Y Lee - Applied Spectroscopy …, 2020 - Taylor & Francis
Silicon particles in combination with the dynamic nuclear polarization (DNP) method have
recently attracted attention as promising biomedical platforms for drug delivery and medical …

Edge-emitting silicon nanocrystal distributed feedback laser with extremely low exciton threshold

P Zeng, F Wang, Y Zhang, W Zhou, Z Guo, X Wu… - Acs …, 2021 - ACS Publications
The successful integration of a laser into the silicon photonic chip has long been the holy
grail of silicon photonics. Among the various methods addressing this challenge, silicon …

Low temperature oxidation of amorphous silicon nanoparticles

F Xu, B Wagner, P Ghildiyal, L Mangolini… - Physical Review …, 2023 - APS
The oxide layer is important for the processing and applications of silicon nanoparticles as it
provides chemical stability to the material. Herein, the thermal oxidation of sub-10-nm …

Progress on solution processed Si-nanoparticle solar cells towards new generation photovoltaics

MA Makhdoom, C Kryschi - Optik, 2024 - Elsevier
Cost-effective, clean and safe solar energy production is envisaged to solve or at least
mitigate climate change problems originated from the current carbon-based power sources …

Ultrahigh porosity photoluminescent silicon aerocrystals with greater than 50% nanocrystal ensemble quantum yields

B Gelloz, L Canham, K Asaka, Y Nakamura… - Journal of Applied …, 2023 - pubs.aip.org
Three types of mesoporous silicon flakes were fabricated by anodization in methanoic
hydrofluoric acid from the same substrates (heavily doped p-type). Even though anodization …

Not all silicon quantum dots are equal: photostability of silicon quantum dots with and without a thick amorphous shell

IT Cheong, LYY Szepesvari, C Ni, C Butler… - Nanoscale, 2024 - pubs.rsc.org
Luminescent colloidal silicon quantum dots (SiQDs) are sustainable alternatives to metal-
based QDs for various optical applications. While the materials are reliant on their …

Label-free DNA detection using silver nanoprism decorated silicon nanoparticles: Effect of silicon nanoparticle size and doping levels

K Daoudi, S Columbus, BP Falcão, RN Pereira… - … Acta Part A: Molecular …, 2023 - Elsevier
In the present work, we have fabricated silver nanoprism (AgNPrs)/silicon nanoparticle
(SiNPs) hybrid arrays for highly sensitive detection of biomolecules via surface-enhanced …

Single-Step Nonthermal Plasma Synthesis of Water-Soluble and Near-Infrared-Emitting Si Quantum Dots for Bioimaging Applications

Y Lee, M Kim, J Yoo, JH Werner… - ACS Applied Nano …, 2024 - ACS Publications
We present a single-step nonthermal plasma method for the synthesis of near-infrared (NIR)-
emitting and water-soluble Si quantum dots (QDs) for bioimaging applications. Oxygen gas …

Study of the optical response of oxidized porous silicon structures by thermal oxidation in air

RF Sierra-Moreno, IA Lujan-Cabrera… - Journal of Materials …, 2022 - Springer
This work proposes a methodology based on porous silicon (PSi) thermal oxidation in an air
atmosphere to reduce its optical losses and change the optical response of one-dimensional …