Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Bartlomiej. S. Witkowski"'
Autor:
Agnieszka Smieszek, Aleksandra Seweryn, Klaudia Marcinkowska, Mateusz Sikora, Krystyna Lawniczak-Jablonska, Bartlomiej. S. Witkowski, Piotr Kuzmiuk, Marek Godlewski, Krzysztof Marycz
Publikováno v:
Materials, Vol 13, Iss 21, p 4817 (2020)
Atomic layer deposition (ALD) technology has started to attract attention as an efficient method for obtaining bioactive, ultrathin oxide coatings. In this study, using ALD, we have created titanium dioxide (TiO2) layers. The coatings were characteri
Externí odkaz:
https://doaj.org/article/68377b71f8524aef81fd7a0e98e17bef
Autor:
Sylwia Gieraltowska, Lukasz Wachnicki, Piotr Dluzewski, Bartlomiej S. Witkowski, Marek Godlewski, Elzbieta Guziewicz
Publikováno v:
Materials, Vol 16, Iss 11, p 4077 (2023)
Atomic layer deposition of HfO2 from TDMAH and water or ammonia water at different temperatures below 400 °C is studied. Growth per cycle (GPC) has been recorded in the range of 1.2–1.6 Å. At low temperatures (≤100 °C), the films grew faster a
Externí odkaz:
https://doaj.org/article/54957a8e8c47428190ff4d5895837821
Autor:
Rafal Pietruszka, Bartlomiej S. Witkowski, Monika Ozga, Katarzyna Gwozdz, Ewa Placzek-Popko, Marek Godlewski
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 12, Iss 1, Pp 766-774 (2021)
Today, silicon solar cells (amorphous films and wafer-based) are a main source of green energy. These cells and their components are produced by employing various technologies. Unfortunately, during the production process, chemicals that are harmful
Externí odkaz:
https://doaj.org/article/a165c80e6b6a42b9aa5a94f58c76d7ec
Autor:
Sushma Mishra, Bartlomiej S. Witkowski, Rafal Jakiela, Zeinab Khosravizadeh, Wojciech Paszkowicz, Adrian Sulich, Oksana Volnianska, Wojciech Wozniak, Elzbieta Guziewicz
Publikováno v:
physica status solidi (a). 220
Autor:
Jacek Wojnarowicz, Sylwia Kusnieruk, Tadeusz Chudoba, Stanislaw Gierlotka, Witold Lojkowski, Wojciech Knoff, Malgorzata I. Lukasiewicz, Bartlomiej S. Witkowski, Anna Wolska, Marcin T. Klepka, Tomasz Story, Marek Godlewski
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 6, Iss 1, Pp 1957-1969 (2015)
Zinc oxide nanopowders doped with 1–15 mol % cobalt were produced by the microwave solvothermal synthesis (MSS) technique. The obtained nanoparticles were annealed at 800 °C in nitrogen (99.999%) and in synthetic air. The material nanostructure wa
Externí odkaz:
https://doaj.org/article/6aca37eeda5e466aaf954a73e97724ae
Autor:
Ewa Placzek-Popko, K. Gwozdz, Monika Ozga, R. Pietruszka, Marek Godlewski, Bartlomiej S. Witkowski
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 12, Iss 1, Pp 766-774 (2021)
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology
Today, silicon solar cells (amorphous films and wafer-based) are a main source of green energy. These cells and their components are produced by employing various technologies. Unfortunately, during the production process, chemicals that are harmful
Autor:
Marek Godlewski, R. Pietruszka, Jarosław Kaszewski, Krzysztof Kopalko, Katarzyna Gwóźdź, Bartlomiej S. Witkowski, Monika Ozga, Krystyna Lawniczak-Jablonska, Piotr Caban, Ewa Placzek-Popko, Piotr Kuźmiuk
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 12, Iss 1, Pp 578-592 (2021)
In order to effectively utilize the photovoltaic properties of gallium arsenide, its surface/interface needs to be properly prepared. In the experiments described here we examined eight different paths of GaAs surface treatment (cleaning, etching, pa
Autor:
Waldemar Lipinski, Mikolaj A. Gralak, Paula Kielbik, Marek Godlewski, Jarosław Kaszewski, Michał M. Godlewski, Anna Słońska-Zielonka, Julita Rosowska, Zdzislaw Gajewski, Bartlomiej S. Witkowski, Jarosław Olszewski
Publikováno v:
Nanotechnology Reviews, Vol 9, Iss 1, Pp 274-302 (2020)
Hereby the possible applications of oxide nanoparticles in the cancer diagnostics and therapy are presented. Cancer diseases are nowadays one of the most common causes of death in the highly-developed countries. Discussed will be the current clinical
Autor:
Klaudia Marcinkowska, Agnieszka Smieszek, Mateusz Sikora, Aleksandra Seweryn, Bartlomiej S. Witkowski, Marek Godlewski, Krzysztof Marycz, Ariadna Pielok, Krystyna Lawniczak-Jablonska, R. Pietruszka
Publikováno v:
International Journal of Nanomedicine
Aleksandra Seweryn,1 Ariadna Pielok,2 Krystyna Lawniczak-Jablonska,1 Rafal Pietruszka,1 Klaudia Marcinkowska,2 Mateusz Sikora,2 Bartlomiej S Witkowski,1 Marek Godlewski,1 Krzysztof Marycz,2,3 Agnieszka Smieszek2 1Institute of Physics, Polish Academy
Autor:
Łukasz Wachnicki, Andrzej Suchocki, Karolina Wenelska, Julita Rosowska, Jarosław Kaszewski, Ewa Mijowska, Lev-Ivan Bulyk, Bartlomiej S. Witkowski, Damian Włodarczyk, Marek Godlewski, Bolesław Kozankiewicz
Publikováno v:
Journal of Rare Earths. 37:1206-1212
Two-step synthesis of Y2O3:Eu nanostructures was performed. It includes microwave driven hydrothermal and calcination stages. Performed route results in crystallization of Y4O(OH)9(NO3):Eu crystals initially, then Y2O3:Eu crystals after calcination.