Application of the photoacoustic approach in the characterization of nanostructured materials

M Isaiev, G Mussabek, P Lishchuk, K Dubyk… - Nanomaterials, 2022 - mdpi.com
A new generation of sensors can be engineered based on the sensing of several markers to
satisfy the conditions of the multimodal detection principle. From this point of view …

Photoacoustic characterization of nanowire arrays formed by metal-assisted chemical etching of crystalline silicon substrates with different doping level

P Lishchuk, M Isaiev, L Osminkina, R Burbelo… - Physica E: Low …, 2019 - Elsevier
Silicon nanowire (SiNW) arrays were investigated by gas-microphone photoacoustic (PA)
technique to evaluate the thermal conductivity and optical absorption. The arrays with …

Features of photothermal transformation in porous silicon based multilayered structures

K Dubyk, L Chepela, P Lishchuk, A Belarouci… - Applied Physics …, 2019 - pubs.aip.org
This paper is devoted to the study of photothermal transformations in multilayered structures.
As a modeled sample, porous silicon with a periodic distribution of porosity was chosen. The …

Ballistic heat transport in nanocomposite: The role of the shape and interconnection of nanoinclusions

P Desmarchelier, A Carré, K Termentzidis, A Tanguy - Nanomaterials, 2021 - mdpi.com
In this article, the effect on the vibrational and thermal properties of gradually interconnected
nanoinclusions embedded in an amorphous silicon matrix is studied using molecular …

Acetylcholinesterase immobilization and characterization, and comparison of the activity of the porous silicon-immobilized enzyme with its free counterpart

M Saleem, M Rafiq, SY Seo, KH Lee - Bioscience Reports, 2016 - portlandpress.com
A successful prescription is presented for acetylcholinesterase physically adsorbed on to a
mesoporous silicon surface, with a promising hydrolytic response towards acetylthiocholine …

Interfacial thermal resistance between porous layers: Impact on thermal conductivity of a multilayered porous structure

P Lishchuk, A Dekret, A Pastushenko… - International Journal of …, 2018 - Elsevier
Features of thermal transport in multilayered porous silicon nanostructures are considered.
Such nanostructures were fabricated by electrochemical etching of monocrystalline Si …

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 …

Thermal conductivity of irradiated porous silicon down to the oxide limit investigated by Raman thermometry and scanning thermal microscopy

AM Massoud, PO Chapuis, B Canut… - Journal of Applied …, 2020 - pubs.aip.org
Irradiating porous silicon is expected to reduce thermal conductivity without altering the
porous structure and can be studied by optical techniques provided that optical properties …

Photothermal effects and heat conduction in nanogranular silicon films

BA Kurbanova, GK Mussabek, VY Timoshenko… - Nanomaterials, 2021 - mdpi.com
We present results on the photothermal (PT) and heat conductive properties of nanogranular
silicon (Si) films synthesized by evaporation of colloidal droplets (drop-casting) of 100±50 …

Thermal conductivity of meso-porous germanium

M Isaiev, S Tutashkonko, V Jean… - Applied Physics …, 2014 - pubs.aip.org
Thermal conductivity value of sponge-like meso-porous germanium (meso-PGe) layers
measured by means of photoacoustic technique is reported. The room temperature thermal …