Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Danuta Wróbel"'
Autor:
Danuta Wróbel, Alicja Zielińska
Publikováno v:
Acta Universitatis Lodziensis: Kształcenie Polonistyczne Cudzoziemców, Vol 23, Pp 127-140 (2016)
Artykuł powstał na podstawie długoletnich doświadczeń autorek przygotowujących cudzoziemców do studiów w Polsce. Pokazujemy cele, fazy i metody nauczania języka polskiego jako obcego w zakresie matematyki. W tabeli prezentujemy szczegółowe
Externí odkaz:
https://doaj.org/article/63f488a5512546ad88db6835c152034b
Publikováno v:
International Journal of Photoenergy, Vol 2, Iss 2, Pp 87-96 (2000)
Phthalocyanines are synthetic dyes which are shown to be good photoconverters which can be applied in a photoelectrochemical cell constructed of semiconducting and metallic electrodes. By means of spectroscopic investigation (absorption,fluorescence
Externí odkaz:
https://doaj.org/article/105ec81c518949558f0b021191505af6
Autor:
Andrzej Biadasz, Kamil Kędzierski, Alicja Stachowiak, Danuta Wróbel, Karol Rytel, Bolesław Barszcz, Emerson Coy, Małgorzata Widelicka, Łukasz Majchrzycki
Publikováno v:
Physical Chemistry Chemical Physics. 22:22380-22389
In this paper results of a study of mechanical, optical and electrical properties of thin films made of multiwall carbon nanotubes (MWCNT) of various types were reported. The MWCNT films were obtained on quartz substrates using the Langmuir-Schaefer
Autor:
Anna Gronostaj, Bolesław Barszcz, Łukasz Majchrzycki, Kamil Kędzierski, Danuta Wróbel, Karol Rytel
Publikováno v:
Chemical Physics Letters. 712:144-148
The Multiwalled carbon nanotube (MWCNT) thin films has been formed on PVC substrate using Langmuir-Blodgett technique as highly promising material for optoelectronics. The layers were annealed at 367 K which has led to significant electrical resistan
Publikováno v:
Dyes and Pigments. 155:36-41
Colloidally synthesized semiconductor nanoparticles have been receiving much attention due to their potential application in the area of photovoltaics, optic devices, biology, and medicine. This work explains how semiconductor CdTeSe/ZnS quantum dots
Autor:
Małgorzata Widelicka, Damian Łukawski, Filip Lisiecki, Danuta Wróbel, Kamil Kędzierski, Karol Rytel
Publikováno v:
Physical Chemistry Chemical Physics. 20:12777-12784
Ultrasonic homogenization is the method of choice for producing and dispersing graphene. In this paper, we show that sp3 hybridization defects introduced by long high-power sonication cause a significant decrease in electrical conductivity. In order
Publikováno v:
Journal of Molecular Liquids. 341:116800
To determine the energy gaps of four commercially available phthalocyanines spectroscopic and electrochemical studies were carried out. A studied dyes were investigated in solutions, 2D Langmuir layers in water–air interface and form of thin films
Autor:
Łukasz Majchrzycki, Karol Rytel, Kamil Kędzierski, Danuta Wróbel, Anna Gronostaj, Bolesław Barszcz
Publikováno v:
Organic Electronics. 43:253-261
Thin films of randomly dispersed carbon nanotubes make highly promising material for transparent electrode applications. Knowing and understanding the nature of the films conductivity is crucial for improvement of their electrical properties. In the
Publikováno v:
Electrochimica Acta. 222:921-925
Lithium manganese oxide (LiMn2O4) of spinel structure is a very attractive and widely applied active material for lithium ion cells because of high potential vs. metallic lithium content, non-toxicity and low cost of production. Unfortunately, the ca
Autor:
Jacek Goc, Danuta Wróbel, Bolesław Barszcz, Bartosz Bursa, Kamil Kędzierski, Hatice Dinçer, Michał Kotkowiak
Publikováno v:
Journal of Luminescence. 180:132-139
This paper examines photophysical properties of an unsymmetrical zinc phthalocyanine substituted with a terminal alkynyl group. The studies were concentrated on absorption (in the UV–vis–IR range) and fluorescence (steady-state and time resolved)