Search Results - "Bychto, Leszek"

Transients in Input and Output Signals in DC–DC Converters Working in Maximum Power Point Tracking Systems by Walczak, Marcin, Bychto, Leszek

“…Designing a maximum power point tracking system (MPPT) can raise many questions when it comes to choosing the best converter and algorithm for the job. The…”
Get full text

Application of Proton Ionic Liquid in the Process of Obtaining Bioethanol from Hemp Stalks by Smuga-Kogut, Małgorzata, Walendzik, Bartosz, Lewicka-Rataj, Katarzyna, Kogut, Tomasz, Bychto, Leszek, Jachimowicz, Piotr, Cydzik-Kwiatkowska, Agnieszka

“…In this work, hemp (Cannabis sativa L.) stalks were pretreated with pyrrolidinium acetate [Pyrr][AC] to increase the availability of cellulose for cellulolytic…”
Get full text

Design and evaluation of a low-cost solar simulator and measurement system for low-power photovoltaic panels by Walczak, Marcin, Bychto, Leszek, Kraśniewski, Jarosław, Duer, Stanisław

“…Research related to photovoltaic panels comprises different topics starting with modelling solar cells, finding new maximum power point tracking (MPPT)…”
Get full text

Analysis of Perovskite Solar Cell Degradation over Time Using NIR Spectroscopy—A Novel Approach by Gąsiorowski, Marek, Dasgupta, Shyantan, Bychto, Leszek, Ahmad, Taimoor, Szymak, Piotr, Wojciechowski, Konrad, Patryn, Aleksy

“…In recent years, there has been a dynamic development of photovoltaic materials based on perovskite structures. Solar cells based on perovskite materials are…”
Get full text

Use of Buckwheat Straw to Produce Ethyl Alcohol Using Ionic Liquids by Smuga-Kogut, Małgorzata, Bychto, Leszek, Walendzik, Bartosz, Cielecka-Piontek, Judyta, Marecik, Roman, Kobus-Cisowska, Joanna, Grajek, Katarzyna, Szymanowska-Powałowska, Daria

“…Background: Common buckwheat (Fagopyrum esculentum Moench) is an annual spring-emerging crop that is classified among the dicotyledons, due to the manner of…”
Get full text

Modulated free-carrier absorption in silicon - a spectroscopy approach by Bychto, Leszek, Patryn, Aleksy

“…In the paper, an analysis of the spectral characteristics of the MFCA (modulated free‐carrier absorption) signal for silicon 3–5 Ω cm, n‐type is presented…”
Get full text

Piezo-optical properties and infrared spectra of Rb2SO4 crystals by Stadnyk, Vasyl, Andriyevsky, Bohdan, Pryshko, Ivan, Bychto, Leszek, Kohut, Zenoviy, Schade, Ulrich, Veber, Alexander, Puskar, Ljiljana, Brezvin, Ruslan

“…The paper deals with the dispersion dependences of birefringence Δni(λ) of the mechanically free and uniaxially clamped Rb2SO4 crystal along different…”
Get full text

Optical absorption spectra in the far-infrared range and phonons of CdSe1−xTex thin films by Kashuba, Andrii I., Bychto, Leszek, Dorywalski, Krzysztof, Petrus, Roman, Veber, Alexander, Puskar, Ljiljana, Schade, Ulrich, Semkiv, Ihor V., Andriyevsky, Bohdan

“…[Display omitted] •Far IR spectra of CdSe1−xTex films are measured using the synchrotron radiation.•DFT calculations of the lattice and molecular dynamics (MD)…”
Get full text

Determination of the optical absorption spectra of thin layers from their photoacoustic spectra by Bychto, Leszek, Maliński, Mirosław, Patryn, Aleksy, Tivanov, Mikhail, Gremenok, Valery

“…This paper presents a new method for computations of the optical absorption coefficient spectra from the normalized photoacoustic amplitude spectra of thin…”
Get full text

The optical properties of In2S3 films in the far-infrared spectral range by Andriyevsky, Bohdan, Bychto, Leszek, Dorywalski, Krzysztof, Schade, Ulrich, Puskar, Ljiljana, Patryn, Aleksy, Hapka, Aneta, Mydłowska, Katarzyna, Veber, Alexander, Kashuba, Andrii I., Reddy, K.T. Ramakrishna

“…•Far IR reflection spectra of In2S3 films are measured using the synchrotron radiation.•Reflection spectra of the films depend on the substrate and annealing…”
Get full text

Design and evaluation of a low-cost solar simulator and measurement system for low-power photovoltaic panels by Walczak, Marcin, Bychto, Leszek, Kraśniewski, Jarosław, Duer, Stanisław

Get full text

Photoacoustic investigations of the optical absorption spectra of porous silicon layers on a silicon backing by Maliński, Mirosław, Chrobak, Łukasz, Bychto, Leszek

“…This paper presents a series of experimental photoacoustic spectra of porous silicon layers on crystalline silicon and their numerical analysis performed in…”
Get full text

Investigations of the optical absorption spectra of porous silicon layers on the Silicon backing by the nondestructive photoacoustic method by Maliński, Mirosław, Chrobak, Łukasz, Bychto, Leszek, Okupski, Tomasz

“…This paper presents a series of experimental photoacoustic spectra of porous silicon layers on the crystalline silicon and their numerical analysis performed…”
Get full text

Influence of preparation and storage conditions on photoluminescence of porous silicon powder with embedded Si nanocrystals by Bychto, Leszek, Balaguer, Maria, Pastor, Ester, Chirvony, Vladimir, Matveeva, Eugenia

“…The time changes of photoluminescence (PL) characteristics of porous silicon (porSi) powder during storing in different ambients have been reported. A porous…”
Get full text

Determination of the quality of the soldering of semiconductor chips by the alternating-heat-flux method by Malinski, Miroslaw, Suszynski, Zbigniew, Bychto, Leszek

“…The results of the photoacoustic measurements of the semiconductor chips of the bipolar transistors soldered to the lead frame are presented. The correlation…”
Get full text

Thermal parameters measurement method of electronics materials by Suszynski, Z., Malinski, M., Bychto, L.

“…The fast and precise photoacoustic methods of determination of all thermal parameters and additionally the optical absorption coefficient in the case of…”
Get full text