Porous silicon: a quantum sponge structure for silicon based optoelectronics

O Bisi, S Ossicini, L Pavesi - Surface science reports, 2000 - Elsevier
The striking photoluminescence properties of porous silicon have attracted considerable
research interest since their discovery in 1990. Luminescence is due to excitonic …

Porous silicon microcavities as optical chemical sensors

V Mulloni, L Pavesi - Applied Physics Letters, 2000 - pubs.aip.org
The optical properties of porous silicon microcavities are strongly dependent on the
environment. For highly luminescent samples, both the luminescence intensity and the peak …

Silicon nanostructures for photonics

P Bettotti, M Cazzanelli, L Dal Negro… - Journal of Physics …, 2002 - iopscience.iop.org
Nanostructuring silicon is an effective way to turn silicon into a photonic material. In fact, low-
dimensional silicon shows light amplification characteristics, non-linear optical effects …

A microcavity based on a porous silicon multilayer

TC Do, H Bui, TV Nguyen, TA Nguyen… - Advances in Natural …, 2011 - iopscience.iop.org
We present a new result for the wavelength-selective characteristics of a 1D photonic
microcavity based on porous silicon. These properties are studied in both experimentation …

Porous silicon microcavities as optical and electrical chemical sensors

V Mulloni, Z Gaburro, L Pavesi - physica status solidi (a), 2000 - Wiley Online Library
The optical and electrical properties of porous silicon microcavities are strongly dependent
on the environment. For highly luminescent samples both the luminescence intensity and …

Excitation of Bloch surface wave using silver nanoparticles for sensitivity enhanced biosensor

J Shi, A Rezk, C Ma, L Zhang, P Yang… - Materials Research …, 2019 - iopscience.iop.org
A silver nanoparticles array is introduced on the top layer of all-porous-silicon refractive
index sensor. Bloch surface wave (BSW) resonance is realized at the interface between air …

Fabrication and optical characterization of porous silicon heterostructure as matrix for sensing organic solvent via resonance peak and Q factor shift

DR Huanca, AMC Gomes - Sensors and Actuators A: Physical, 2024 - Elsevier
Porous silicon heterostructures with an extensive photonic band gap, featuring a microcavity
defect layer, have been successfully fabricated and applied as sensor devices for detecting …

Fabrication and stabilization of silicon-based photonic crystals with tuned morphology for multi-band optical filtering

MS Salem, AM Abdelaleem, AA El-Gamal… - Journal of Applied …, 2017 - pubs.aip.org
One-dimensional silicon-based photonic crystals are formed by the electrochemical
anodization of silicon substrates in hydrofluoric acid-based solution using an appropriate …

Simulation of surface-modified porous silicon photonic crystals for biosensing applications

I Suárez, V Chirvony, D Hill… - Photonics and …, 2012 - Elsevier
In this work realistic biosensing structures based on the integration of porous silicon
photonic crystals with polymer coating technology are presented. Microcavities and rugate …

Monitoring penetration of ethanol in a porous silicon microcavity by photoluminescence interferometry

Z Gaburro, N Daldosso, L Pavesi, G Faglia… - Applied Physics …, 2001 - pubs.aip.org
A photoluminescent porous silicon microcavity is exposed to saturated vapor of ethanol. The
ethanol substitutes the air inside the pores giving rise to a progressive monotonic redshift of …