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 …

Absorption and emission of porous silicon based on quantum dots models by TD-DFT: Experimental and theoretical approach

M Pérez, E Ramos, MB de la Mora, G Santana, A Dutt - Materials Letters, 2021 - Elsevier
In the present work, the relationship between experimental and theoretical analysis of
optical properties of Si-nanostructures is presented. Coral-like luminescent porous silicon (p …

Upconversion fluorescent Sr9In (PO4) 7: Yb3+, Er3+ phosphors with applications in temperature measurement and anti-counterfeiting

W Chen, H Gao, Q Chen, X Geng, B Ma - Ceramics International, 2024 - Elsevier
In this work, Yb 3+ and Er 3+-co-doped Sr 9 In (PO 4) 7 upconversion fluorescent materials
with dual functionality were synthesized though simple high-temperature solid state method …

Enhancement of Performance Au/PSi/n-Si/Ag Heterojunction Photodetector by Non-thermal Plasma Jet: Design and Impact of Plasma Voltage

ND Hayif, HA Hadi, IH Hashim - Silicon, 2025 - Springer
We have investigated the impact of non-thermal plasma jet (NTPJ) on porous silicon (Psi)
nanostructures prepared by photoelectrochemical etching (PECE) and subsequently studied …

Effect of the Functionalization of Porous Silicon/WO3 Nanorods with Pd Nanoparticles and Their Enhanced NO2-Sensing Performance at Room Temperature

X Qiang, M Hu, B Zhao, Y Qin, R Yang, L Zhou, Y Qin - Materials, 2018 - mdpi.com
The decoration of noble metal nanoparticles (NPs) on the surface of metal oxide
semiconductors to enhance material characteristics and gas-sensing performance has …

Laser wavelength effect on GaN nanostructure films morphological properties deposited by PLD technique

SM Taleb, MA Fakhri, MF Mohammed, ET Salim, A Ali… - Journal of Optics, 2024 - Springer
Nanostructure thin films of gallium nitride (GaN) were prepared and deposited by using
pulse laser deposition (PLD) technique at three different laser wavelengths (1064, 532 and …

Novel synthesis of 1-D silicon nanowires grown on pyramidal black silicon substrates and intense visible emission

J Salazar, M Sánchez, A Aragón, P Roquero… - Materials Letters, 2024 - Elsevier
This work shows a new way to grow 1-D Silicon Nanowires (SiNWs) over pyramidal black
silicon used as substrates. These nanostructures are grown by the plasma-assisted vapor …

Non-thermal atmospheric jet plasma effects on the morphological, electrical and optical properties of nanocrystalline silicon

IH Hashim, HA Hadi, NDH Hayif - … Journal of Pure …, 2024 - mjpas.uomustansiriyah.edu.iq
In this study, a non-thermal atmospheric argon plasma jet (NTAPJ) was designed and used
to treat the porous silicon layer, prepared by photoelectrochemical etching (PECE). The …

[PDF][PDF] Preparation and characteristics study of porous silicon for vacuum sensor application

NS Dawood, MQ Zayer, MF Jawad - Karbala International Journal of …, 2022 - iasj.net
Vacuum is a technique that can be employed to measure pressures less than atmosphere
(101325 mbar), the vacuum is too important in numerous fields of life. In the present …

Study the structure and optical properties of GNPs doped WO3/PS by spray pyrolysis deposition (SPD)

SF Hasan, AME Al-Samarai, AS Obaid… - IOP Conference Series …, 2021 - iopscience.iop.org
In this studied gold (Au) nanoparticles doped tungsten oxide (WO 3) thin film was deposited
on porous silicon (PS) substrate at the substrate temperature of 250 C by spray pyrolysis …