Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Robert Tomala"'
Autor:
Paweł Głuchowski, Marta Macieja, Robert Tomala, Mariusz Stefanski, Wiesław Stręk, Maciej Ptak, Damian Szymański, Konrad Szustakiewicz, Adam Junka, Bartłomiej Dudek
Publikováno v:
Materials, Vol 17, Iss 14, p 3465 (2024)
This paper presents the synthesis and characterization of graphene–polymer composites, focusing on their mechanical and antibacterial properties. Graphene flakes were obtained via an electrochemical method and integrated into polyamide 6 (PA6) matr
Externí odkaz:
https://doaj.org/article/4b3286e2f37a4153b5f6e817c89cddd8
Autor:
Karol Bartosiewicz, Robert Tomala, Damian Szymański, Benedetta Albini, Justyna Zeler, Masao Yoshino, Takahiko Horiai, Paweł Socha, Shunsuke Kurosawa, Kei Kamada, Pietro Galinetto, Eugeniusz Zych, Akira Yoshikawa
Publikováno v:
Materials, Vol 17, Iss 11, p 2762 (2024)
Aluminum garnets display exceptional adaptability in incorporating mismatching elements, thereby facilitating the synthesis of novel materials with tailored properties. This study explored Ce3+-doped Tb3Al5−xScxO12 crystals (where x ranges from 0.5
Externí odkaz:
https://doaj.org/article/27a38fcac4d042f1b664a825ee2b2785
Autor:
Natalia Bartczak, Jerzy Kowalczyk, Robert Tomala, Mariusz Stefanski, Damian Szymański, Maciej Ptak, Wiesław Stręk, Konrad Szustakiewicz, Tomasz Kurzynowski, Łukasz Szczepański, Adam Junka, Damian Gorczyca, Paweł Głuchowski
Publikováno v:
Molecules, Vol 28, Iss 16, p 6173 (2023)
In this study, graphene flakes were obtained using an electrolytic method and characterized using X-ray diffraction (XRD), Raman and FTIR spectroscopy, scanning and transmission electron microscopy (SEM/TEM). Graphene-based composites with varying co
Externí odkaz:
https://doaj.org/article/c8727b49cd2640fea516acc1e139cc1a
Publikováno v:
ACS Omega, Vol 6, Iss 5, Pp 3711-3716 (2021)
Externí odkaz:
https://doaj.org/article/a1dff63ea3af40daa330752cac654cb9
Autor:
Adrianna Grabowska, Jerzy Kowalczyk, Robert Tomala, Maciej Ptak, Małgorzata Małecka, Anna Wędzyńska, Mariusz Stefanski, Wiesław Stręk, Paweł Głuchowski
Publikováno v:
Materials, Vol 16, Iss 6, p 2188 (2023)
Graphene nanoplatelets (GNPs) were prepared using the electrolytic exfoliation method on graphite foil in an ammonium sulfate solution. A series of experiments were conducted in order to optimize the production of the flakes by varying the pH of the
Externí odkaz:
https://doaj.org/article/e94afd2e97944149a306ee4a56e3698c
Autor:
Piotr Żemojtel, Adam Olejniczak, Robert Tomala, Bartłomiej Cichy, Łukasz Radosiński, Alison Felix de Araujo Maia, Oleksii Bezkrovnyi, Wiesław Stręk
Publikováno v:
Materials Research Express, Vol 10, Iss 9, p 095601 (2023)
This work addresses the issue of laser-induced white light generation by nano- and micro-diamond powder and the accompanying redox processes occurring at the surface of the particles. The broadband white light is generated by near infra-red continuou
Externí odkaz:
https://doaj.org/article/fc0d88ddd5f642b184685a111fded6d7
Publikováno v:
Processing and Application of Ceramics, Vol 14, Iss 1, Pp 83-89 (2020)
The efficiency of Cr4+:YAG is directly proportional to the transparency and concentration of Cr4+ which can be tuned by changing the divalent dopant. The aim of this study was to investigate the influence of different kinds of divalent dopants on the
Externí odkaz:
https://doaj.org/article/6014e3fba0274bd9ab20dbe697038477
Publikováno v:
Materials, Vol 15, Iss 21, p 7410 (2022)
In this work, Ba2MgWO6: Eu3+ (BMW: Eu3+) ceramic materials with a double perovskite structure were sintered using the High-Pressure Low-Temperature sintering (HPLT) technique. As part of the research, the influence of pressure (CP), sintering tempera
Externí odkaz:
https://doaj.org/article/a5589f22afe74ef0b510313fc0ab7dcd
Publikováno v:
Materials, Vol 15, Iss 7, p 2662 (2022)
In the presented work, the tellurite glasses TeO2-WO3-ZnO doped with Tm3+ and Ho3+ ions were prepared by the same glass forming method. X-ray diffraction (XRD) and differential thermal analysis (DTA) techniques were used to study the effects of the f
Externí odkaz:
https://doaj.org/article/e5020737e05d44be88a1db6f31c1cdc1
Publikováno v:
Molecules, Vol 27, Iss 3, p 718 (2022)
A new method of hydrogen generation from water, by irradiation with CW infrared laser diode of graphene scaffold immersed in solution, is reported. Hydrogen production was extremely efficient upon admixing NaCl into water. The efficiency of hydrogen
Externí odkaz:
https://doaj.org/article/199852ecba4b4d53bfa26432e08cfe6f