Search Results - "Tousek, J."

Mobility of holes and polarons in polyaniline films assessed by frequency-dependent impedance and charge extraction by linearly increasing voltage by Toušek, J., Toušková, J., Chomutová, R., Křivka, I., Hajná, M., Stejskal, J.

“…•Mobility of charges from Impedance spectroscopy and CELIV method was compared.•Mobility of holes and polarons in PANI films was found.•Kelvin probe gives the…”
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Proving the role of boron in the structure of fly-ash/borosilicate glass based geopolymers by Taveri, G., Tousek, J., Bernardo, E., Toniolo, N., Boccaccini, A.R., Dlouhy, I.

“…•The participation of the boron into the geopolymerization is demonstrated.•Spectroscopy (NMR and FTIR) assessed the extent of participation.•The boron acts…”
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Exciton diffusion length and concentration of holes in MEH-PPV polymer using the surface voltage and surface photovoltage methods by Toušek, J., Toušková, J., Remeš, Z., Čermák, J., Kousal, J., Kindl, D., Kuřitka, I.

“…[Display omitted] ► Surface photovoltage was used to find exciton diffusion length in MEH-PPV polymer. ► Kelvin probe force microscopy yielded the work…”
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Comparison of the electron work function, hole concentration and exciton diffusion length for P3HT and PT prepared by thermal or acid cleavage by Toušek, J., Toušková, J., Ludvík, J., Liška, A., Remeš, Z., Kylián, O., Kousal, J., Chomutová, R., Heckler, I.M., Bundgaard, E., Krebs, F.C.

“…[Display omitted] •Native polythiophenes (PT) were prepared by thermal or chemical way from precursors.•Chemically prepared PT shows smooth surface when…”
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A novel approach to the surface photovoltage method by TOUSEK, J, TOUSKOVA, J

“…The surface photovoltage technique allows contactless measurement of some electrical parameters of semiconductors. Unfortunately, a contemporaneous approach to…”
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Photovoltage method for the research of CdS and ZnO nanoparticles and hybrid MEH-PPV/nanoparticle structures by Toušková, J., Toušek, J., Rohovec, J., Růžička, A., Polonskyi, O., Urbánek, P., Kuřitka, I.

“…The paper demonstrates an application of photovoltaic effect in the research of nanomaterials and hybrid structures of polymers with nanoparticles…”
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Product of mobility and lifetime of charge carriers in CdTe determined from low-frequency current fluctuations by Toušek, J., Toušková, J., Křivka, I.

“…The model, which clarifies the low-frequency fluctuations of the current flowing in CdTe sample, makes it possible to determine the product of the mobility and…”
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Exciton diffusion length in some thermocleavable polythiophenes by the surface photovoltage method by Toušek, J., Toušková, J., Remeš, Z., Kousal, J., Gevorgyan, S.A., Krebs, F.C.

“…Poly-3-(2-methylhexyloxycarbonyl) dithiophene (P3MHOCT), poly-3-carboxydithiophene (P3CT) and polythiophene (PT) polymers were studied by optical and…”
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Surface photovoltaic effect in CdTe as influenced by recombination in the space-charge region by Toušek, J., Toušková, J., Belas, E., Votoček, L.

“…Diffusion length of minority carriers in CdTe wafers was measured by the surface photovoltage (SPV) method. A model including recombination in the space‐charge…”
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Monitoring of silicon solar cell technology via the surface photovoltage method by Toušek, J., Toušková, J., Poruba, A.

“…The surface photovoltage (SPV) technique adapted to thin samples was used to monitor solar cell technology. The relatively short minority carrier diffusion…”
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Interpretation of minority carrier diffusion length measurements in thin silicon wafers by Toušek, J., Dolhov, S., Toušková, J.

“…Diffusion length of minority carriers measured in thin wafers reflects not only properties of the material but also the state of its surface and, consequently,…”
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Improved photovoltaic method for measurement of minority carrier diffusion length applied to silicon solar cells by Toušek, J., Kindl, D., Toušková, J., Dolhov, S.

“…The photovoltage spectrum measured on back illuminated silicon solar cells of the (passivated emitor solar cell) (PESC) type without original bottom ohmic…”
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Preparation and characterization of CdS/CdTe thin film solar cells by Toušková, J., Kindl, D., Toušek, J.

“…Thin film n-CdS/p-CdTe heterojunctions for solar cells were prepared by chemical deposition of CdS and electrodeposition of CdTe layers. No chlorine was…”
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Photovoltaic Behaviour of Titanyl Phthalocyanine Thin Films and Titania Bilayer Films by Drabik, M, Zachary, A.M, Choi, Y, Hanus, J, Tousek, J, Touskova, J, Cimrova, V, Slavinska, D, Biederman, H, Hanley, L

“…Titanyl phthalocyanine (TiOPc) thin films were prepared using evaporation and surface polymerization by ion-assisted deposition (SPIAD) in a vacuum deposition…”
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Direct measurement of exciton dissociation energy in polymers by Toušek, J., Toušková, J., Chomutová, R., Paruzel, B., Pfleger, J.

“…Exciton dissociation energy was obtained based on the comparison of thickness of the space charge region estimated from the measurement of capacitance of…”
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X-ray photoelectron spectroscopy, scanning electron microscopy and optical transmittance studies of indium tin oxide and cadmium sulphide thin films for solar cells by Stoev, M.D, Touskova, J, Tousek, J

“…Thin indium tin oxide (ITO) films were deposited onto borosilicate glass by d.c. sputtering from an oxide target (91 mass% In 2O 3 and 9 mass% SnO 2). CdS thin…”
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Charge transport study and spectral response of GaSb/GaAs heterojunctions prepared by MOVPE by Toušková, J., Kindl, D., Samochin, E., Toušek, J., Hulicius, E., Pangrác, J., Šimeček, T., Výborný, Z.

“…The purpose of our work was the evaluation of GaSb/GaAs heterostructures grown on GaAs substrates for thermophotovoltaics (TPV). Heterojunctions p-GaSb/n-GaAs…”
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Electrical characterization of fluorinated benzothiadiazole based conjugated copolymer – a promising material for high-performance solar cells by Toušek, J., Toušková, J., Remeš, Z., Chomutová, R., Čermák, J., Helgesen, M., Carlé, J. E., Krebs, F. C.

“…Measurements of electrical conductivity, electron work function, carrier mobility of holes and the diffusion length of excitons were performed on samples of…”
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Current–voltage characteristics of GaSb homojunctions prepared by MOVPE by Toušková, J., Kindl, D., Blahitka, B., Toušek, J., Hulicius, E., Pangrác, J., Samochin, E., Šimeček, T., Výborný, Z.

“…Mechanism of charge transport through GaSb p–n homojunctions prepared by low pressure metal organic vapour phase epitaxy technology was studied. Calculation of…”
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Influence of growth and microstructure of chemical deposited CdS films on the electrical properties of CdS/CdTe solar cells by Toušková, J., Kindl, D., Dobiášová, L., Toušek, J.

“…Thin film n-CdS/p-CdTe solar cells were prepared from chemical bath deposited CdS and electrodeposited CdTe layers. The microstructural and some electrical…”
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