Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Helena Teterycz"'
Publikováno v:
Sensors, Vol 24, Iss 17, p 5690 (2024)
The detection of dimethyl sulphide (DMS) at levels between ppb and ppm is a significant area of research due to the necessity of monitoring the presence of this gas in a variety of environments. These include environmental protection, industrial safe
Externí odkaz:
https://doaj.org/article/befb227b69864c84a663100bb0b22dc5
Autor:
Olga Rac-Rumijowska, Helena Teterycz
Publikováno v:
Materials, Vol 16, Iss 8, p 3085 (2023)
This paper presents the mechanism of electrical conductivity in nanocomposite polyacrylonitrile (PAN) fibers modified with silver nanoparticles (AgNPs). Fibers were formed by the wet-spinning method. The nanoparticles were introduced into the polymer
Externí odkaz:
https://doaj.org/article/6c602349804244539ff70ae008e2c105
Autor:
Iwona Karbownik, Olga Rac-Rumijowska, Tomasz Rybicki, Patrycja Suchorska-Wozniak, Helena Teterycz
Publikováno v:
IEEE Access, Vol 9, Pp 74017-74027 (2021)
The article presents an analysis of the influence of temperature on the electrical conductivity of composite polyacrylonitrile-polyaniline fibers (PAN/PANI). The fibers are obtained by synthesizing polyaniline directly in the spinning solution of fib
Externí odkaz:
https://doaj.org/article/9dbe8b393668434995172731fe2f2510
Autor:
Maciej Krawczyk, Ryszard Korbutowicz, Rafał Szukiewicz, Patrycja Suchorska-Woźniak, Maciej Kuchowicz, Helena Teterycz
Publikováno v:
Sensors, Vol 22, Iss 3, p 932 (2022)
The electric properties and chemical and thermal stability of gallium oxide β-Ga2O3 make it a promising material for a wide variety of electronic devices, including chemiresistive gas sensors. However, p-type doping of β-Ga2O3 still remains a chall
Externí odkaz:
https://doaj.org/article/4c8564ad472546448fd2f69eb0c503d9
Autor:
Maciej Krawczyk, Patrycja Suchorska-Woźniak, Rafał Szukiewicz, Maciej Kuchowicz, Ryszard Korbutowicz, Helena Teterycz
Publikováno v:
Nanomaterials, Vol 11, Iss 2, p 456 (2021)
Gas sensitive structures made of nanowires exhibit extremally large specific surface area, and a great number of chemically active centres that can react with the ambient atmosphere. This makes the use of nanomaterials promising for super sensitive g
Externí odkaz:
https://doaj.org/article/32e11a2c8d8a4648a1ba2f583ab01832
Autor:
Marta Fiedot-Toboła, Patrycja Suchorska-Woźniak, Kamila Startek, Olga Rac-Rumijowska, Rafał Szukiewicz, Monika Kwoka, Helena Teterycz
Publikováno v:
Sensors, Vol 20, Iss 23, p 6951 (2020)
In this article, we present results concerning the impact of structural and chemical properties of zinc oxide in various morphological forms and its gas-sensitive properties, tested in an atmosphere containing a very aggressive gas such as chlorine.
Externí odkaz:
https://doaj.org/article/4d1bab31c6814a40a408a117932cd4c0
Publikováno v:
Materials, Vol 13, Iss 14, p 3191 (2020)
In this article, we present a development of atmospheric pressure plasma jets (APPJs) for modification of liquid solutions. APPJs were fabricated in low temperature cofired ceramics (LTCC) technology. During the measurements, plasma jets worked under
Externí odkaz:
https://doaj.org/article/c7940a0481b3440db823dff25a0c82ac
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 5, Iss 1, Pp 2192-2201 (2014)
According to recent research, the use of nanoparticles as a gas-sensitive material increases the selectivity and sensitivity and shortens the response time of a sensor. However, the synthesis of SnO2 nanoparticles presents many difficulties. The foll
Externí odkaz:
https://doaj.org/article/68e426cfe2ab44399c4b59a641e9fe20
Publikováno v:
Sensors, Vol 14, Iss 11, Pp 20480-20499 (2014)
The main objective of the paper was the analysis of the properties of SnO2|WO3 heterocontact as well as the determination of its response to 50 ppm of hydrogen sulphide. It was noticed that the sensitivity of the sensor being tested to hydrogen sulph
Externí odkaz:
https://doaj.org/article/a81f78e65df74f35a0a9f92e40ba2821
Autor:
Olga Rac-Rumijowska, Irena Maliszewska, Marta Fiedot-Toboła, Iwona Karbownik, Helena Teterycz
Publikováno v:
Polymers, Vol 11, Iss 3, p 562 (2019)
This paper presents a method for the preparation of nanocomposite cellulose fibers doped with silver nanoparticles (AgNPs), as well as the effect of silver nanoparticles on the structure and properties of fibers. The fibers were obtained by an enviro
Externí odkaz:
https://doaj.org/article/0a26d88a2f764c1eb94a2c9b1c063be6