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 …

Towards a subcutaneous optical biosensor based on thermally hydrocarbonised porous silicon

WY Tong, MJ Sweetman, ER Marzouk, C Fraser… - Biomaterials, 2016 - Elsevier
Advanced biosensors in future medicine hinge on the evolvement of biomaterials. Porous
silicon (pSi), a generally biodegradable and biocompatible material that can be fabricated to …

Endogenous Stable Radicals for Characterization of Thermally Carbonized Porous Silicon by Solid-State Dynamic Nuclear Polarization 13C NMR

J Riikonen, S Rigolet, C Marichal… - The Journal of …, 2015 - ACS Publications
As with all nanomaterials, characterization of the surface chemistry of mesoporous silicon
(PSi) is crucial for the development in its diverse applications. Nuclear magnetic resonance …

Raman scattering study on pristine and oxidized n-type porous silicon

F Zhong, Z Jia - Physica B: Condensed Matter, 2013 - Elsevier
We have investigated the effects of oxidation on Raman spectra of porous silicon (PS). Many
Si–H x bonds were indicated in as-anodized PS. Compared to crystalline silicon, the …

White bright luminescence at room temperature from TEOS-based thin films via catalytic chemical vapor deposition

A Dutt, Y Matsumoto, S Godavarthi… - Materials Letters, 2014 - Elsevier
Strong white luminescence, visible to naked eye at room temperature, was observed from as
grown SiO x C y thin films without the need of annealing. SiO x C y thin films were prepared …

Structural, optical and terahertz properties of graphene-mesoporous silicon nanocomposites

DJJ Fandio, S Sauze, A Boucherif, R Ares… - Nanoscale …, 2020 - pubs.rsc.org
We investigate the structural, optical and terahertz properties of graphene-mesoporous
silicon nanocomposites using Raman, terahertz time-domain and photoluminescence …

Gamma-Radiation Monitoring of Luminescent Porous Silicon for Tumor Imaging

VV Galushka, OY Belobrovaya, DN Bratashov… - BioNanoScience, 2018 - Springer
Photoluminescent macroporous silicon is studied for tumor imaging application. Gamma-
radiation is used for modification of morphology of pores and their size. It is shown by …

One-dimensional porous silicon photonic crystals

DR Huanca - Silicon Nanomaterials Sourcebook, 2017 - taylorfrancis.com
A photonic crystals (PC) is a medium in which the refractive index or dielectric constant
varies periodically along the whole medium. This structure can be classified in One …

EPR Study of Porous Si:C and SiO2:C Layers

D Savchenko, A Vasin, S Muto… - … status solidi (b), 2018 - Wiley Online Library
Initial porous silicon (por‐Si), carbonized porous silicon (por‐Si: C), and carbon‐
incorporated porous silicon oxide (por‐SiO2: C) layers are studied by electron paramagnetic …

Porous silicon passivation for applications in sensors and photovoltaics: optical characterization

RP Toledo, CES Dias, DR Huanca… - … 31st Symposium on …, 2016 - ieeexplore.ieee.org
Porous silicon monolayers with different porosities were produced by etching p-type
crystalline silicon (c-Si) in HF-based electrolytes. Mesoporous structures were achieved in …