Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Ewelina Kusiak-Nejman"'
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8855 (2024)
In this paper, a new way to obtain photoactive cements was presented. In this method amorphous TiO2 is added to a cooler during the cooling of the cement clinker (Górażdże company) during cement production. Amorphous TiO2 was taken from the instal
Externí odkaz:
https://doaj.org/article/8099e8c828c4497d9fe3e3f1d1308352
Autor:
Iwona Pełech, Piotr Staciwa, Daniel Sibera, Konrad Sebastian Sobczuk, Wiktoria Majewska, Ewelina Kusiak-Nejman, Antoni W. Morawski, Kaiying Wang, Urszula Narkiewicz
Publikováno v:
Molecules, Vol 29, Iss 18, p 4348 (2024)
Modification of titanium dioxide using ethylenediamine (EDA), diethylamine (DEA), and triethylamine (TEA) has been studied. As the reference material, titanium dioxide prepared by the sol–gel method using titanium(IV) isopropoxide as a precursor wa
Externí odkaz:
https://doaj.org/article/4d54fdbd612d456fbd2fc3fd86cfb23a
Autor:
Iwona Pełech, Daniel Sibera, Piotr Staciwa, Konrad Sobczuk, Ewelina Kusiak-Nejman, Agnieszka Wanag, Antoni W. Morawski, Kenneth Schneider, Richard Blom, Urszula Narkiewicz
Publikováno v:
Molecules, Vol 29, Iss 15, p 3646 (2024)
Titanium dioxide was synthesized via hydrolysis of titanium (IV) isopropoxide using a sol–gel method, under neutral or basic conditions, and heated in the microwave-assisted solvothermal reactor and/or high-temperature furnace. The phase compositio
Externí odkaz:
https://doaj.org/article/6f8141c9481348d4991dd2a201640604
Autor:
Rudolf Ricka, Agnieszka Wanag, Ewelina Kusiak-Nejman, Dariusz Moszyński, Miroslava Filip Edelmannová, Martin Reli, Zdeněk Baďura, Giorgio Zoppellaro, Radek Zbořil, Antoni W. Morawski, Kamila Kočí
Publikováno v:
Journal of CO2 Utilization, Vol 80, Iss , Pp 102701- (2024)
In this study, we explored the photocatalytic efficacy of Ti3+-doped TiO2-based photocatalysts for CO2 reduction. The Ti3+ self-doped photocatalysts were synthesized using a straightforward chemical reduction with sodium borohydride (NaBH4). Our inve
Externí odkaz:
https://doaj.org/article/903c7f7ff73a4e31a31db8c4c4f617bf
Publikováno v:
Materials, Vol 17, Iss 10, p 2285 (2024)
In this study, a new method of obtaining photoactive cements is presented. The goal was to obtain photoactive cements using a method that could reduce the production costs. In the study, an intermediate product from the production of titanium dioxide
Externí odkaz:
https://doaj.org/article/577c60ab13c94413a4556096fc1e1775
Autor:
Antoni W. Morawski, Katarzyna Ćmielewska, Ewelina Kusiak-Nejman, Piotr Staciwa, Joanna Kapica-Kozar, Ewa Ekiert, Iwona Pełech, Urszula Narkiewicz
Publikováno v:
Journal of CO2 Utilization, Vol 75, Iss , Pp 102553- (2023)
The development of an effective photocatalyst for CO2 reduction is currently being addressed by many scientists. This study concerns the influence of the addition of carbon spheres (CS) on photoactivity of TiO2 and ZnO. The photocatalysts were tested
Externí odkaz:
https://doaj.org/article/504bd571a92f44b9881b518c10f75ffc
Autor:
Antoni W. Morawski, Marcin Gano, Katarzyna Ćmielewska, Ewelina Kusiak-Nejman, Iwona Pełech, Piotr Staciwa, Ewa Ekiert, Urszula Narkiewicz
Publikováno v:
Catalysts, Vol 13, Iss 9, p 1270 (2023)
In the face of increasing global carbon dioxide emissions and the urgent need to mitigate climate change, the development of efficient and sustainable strategies for CO2 conversion has gained significant attention. One of the methods of eliminating t
Externí odkaz:
https://doaj.org/article/acd84f50ec5c4041ab6acf3a4174e559
Autor:
Ewelina Kusiak-Nejman, Katarzyna Ćmielewska, Iwona Pełech, Ewa Ekiert, Piotr Staciwa, Daniel Sibera, Agnieszka Wanag, Joanna Kapica-Kozar, Marcin Gano, Urszula Narkiewicz, Antoni W. Morawski
Publikováno v:
Materials, Vol 16, Iss 17, p 5810 (2023)
This paper presents new photocatalysts obtained by treating carbon spheres (CS) and TiO2 in a microwave reactor at a pressure of 20 atm and a temperature of up to 300 °C for 15 min and then depositing TiO2/CS composites on glass fibre cloths. Such h
Externí odkaz:
https://doaj.org/article/89e632699b8e4b698375dfb3ca26063a
Autor:
Paulina Rokicka-Konieczna, Agnieszka Wanag, Agnieszka Sienkiewicz, Dylan Shun Izuma, Ewa Ekiert, Ewelina Kusiak-Nejman, Chiaki Terashima, Atsuo Yasumori, Akira Fujishima, Antoni W. Morawski
Publikováno v:
Molecules, Vol 28, Iss 4, p 1655 (2023)
The presented work shows the antibacterial activity of TiO2 photocatalysts modified by 3-aminopropyltriethoxysilane (APTES). The APTES-functionalized TiO2 samples were obtained by the solvothermal process followed by calcination. The antibacterial ac
Externí odkaz:
https://doaj.org/article/11314ac8dbad4f2189d80650bf5b4d09
Publikováno v:
Catalysts, Vol 13, Iss 1, p 186 (2023)
This paper presents the effect of fumed silica modification and calcination temperature on the physicochemical properties of photocatalysts and their activity under the UV-VIS and VIS light range. The materials were obtained by hydrolysis of titanium
Externí odkaz:
https://doaj.org/article/573dfdffac3c488b99e3762b6c0ed68a