Search Results - "Nadáždy, Vojtech"

Refine Results
  1. 1

    Mapping the Density of States Distribution of Organic Semiconductors by Employing Energy Resolved–Electrochemical Impedance Spectroscopy by Bässler, Heinz, Kroh, Daniel, Schauer, Franz, Nádaždy, Vojtech, Köhler, Anna

    Published in Advanced functional materials (01-02-2021)
    “…Although the density of states (DOS) distribution of charge transporting states in an organic semiconductor is vital for device operation, its experimental…”
    Get full text
    Journal Article
  2. 2
  3. 3
  4. 4

    Optical absorption study of P3HT:PCBM blend photo-oxidation for bulk heterojunction solar cells by Müllerová, Jarmila, Kaiser, Michal, Nádaždy, Vojtech, Šiffalovič, Peter, Majková, Eva

    Published in Solar energy (01-09-2016)
    “…•The P3HT:PCBM photo-oxidation is analyzed by difference absorbance spectra.•The decrease of absorbance features corresponding to excitonic states was…”
    Get full text
    Journal Article
  5. 5

    Electronic structure mapping of branching states in poly[methyl(phenyl)silane] upon exposure to UV radiation by Schauer, František, Tkáč, Lukáš, Ožvoldová, Miroslava, Nadáždy, Vojtech, Gmucová, Katarána, Végsö, Karol, Tkáčová, Miroslava, Chlpík, Juraj

    Published in Journal of the Korean Physical Society (01-02-2016)
    “…The origin of white photoluminescence in polysilanes has long been disputed, and this emission is closely connected with information recording in…”
    Get full text
    Journal Article
  6. 6

    Unifying Energetic Disorder from Charge Transport and Band Bending in Organic Semiconductors by Karki, Akchheta, Wetzelaer, Gert‐Jan A. H., Reddy, Gollapalli Narayana Manjunatha, Nádaždy, Vojtech, Seifrid, Martin, Schauer, Franz, Bazan, Guillermo C., Chmelka, Bradley F., Blom, Paul W. M., Nguyen, Thuc‐Quyen

    Published in Advanced functional materials (16-05-2019)
    “…Characterizing the density of states (DOS) width accurately is critical in understanding the charge‐transport properties of organic semiconducting materials as…”
    Get full text
    Journal Article
  7. 7

    What is the Binding Energy of a Charge Transfer State in an Organic Solar Cell? by Athanasopoulos, Stavros, Schauer, Franz, Nádaždy, Vojtech, Weiß, Mareike, Kahle, Frank‐Julian, Scherf, Ullrich, Bässler, Heinz, Köhler, Anna

    Published in Advanced energy materials (01-06-2019)
    “…The high efficiencies reported for organic solar cells and an almost negligible thermal activation measured for the photogeneration of charge carriers have…”
    Get full text
    Journal Article
  8. 8

    Correlation between Molecular Stereostructure, Film Microstructure, and Electronic Structure of Polyfluorene and Fluorene Based Alternating Copolymers F8BT and PFO–DBT by Gmucová, Katarína, Konôpka, Martin, Vegso, Karol, Bokes, Peter, Nádaždy, Vojtech, Váry, Tomáš

    Published in Journal of physical chemistry. C (22-04-2021)
    “…Identifying key parameters that can help control molecular ordering in the active layer of high-performance organic devices is an important topical issue…”
    Get full text
    Journal Article
  9. 9

    Electrochemical Spectroscopic Methods for the Fine Band Gap Electronic Structure Mapping in Organic Semiconductors by Gmucová, Katarína, Nádaždy, Vojtech, Schauer, František, Kaiser, Michal, Majková, Eva

    Published in Journal of physical chemistry. C (16-07-2015)
    “…Functionality of organic photonic devices is markedly influenced by the electronic band structure of the used materials. An easy and quick determination of the…”
    Get full text
    Journal Article
  10. 10

    Thickness Effect on Structural Defect-Related Density of States and Crystallinity in P3HT Thin Films on ITO Substrates by Nádaždy, Vojtech, Gmucová, Katarína, Nádaždy, Peter, Siffalovic, Peter, Vegso, Karol, Jergel, Matej, Schauer, František, Majkova, Eva

    Published in Journal of physical chemistry. C (22-03-2018)
    “…We report on a study of thickness effect on the formation of structural defect-related density of states (DOS) in the band gap of…”
    Get full text
    Journal Article
  11. 11

    An Impedance Study of the Density of States Distribution in Blends of PM6:Y6 in Relation to Barrierless Dissociation of CT States by Kroh, Daniel, Athanasopoulos, Stavros, Nádaždy, Vojtech, Kahle, Frank‐Julian, Bässler, Heinz, Köhler, Anna

    Published in Advanced functional materials (05-06-2023)
    “…In an endeavor to understand why the dissociation of charge‐transfer (CT) states in a PM6:Y6 solar‐cell is not a thermally activated process, measurements of…”
    Get full text
    Journal Article
  12. 12

    Thermally‐Induced Degradation in PM6:Y6‐Based Bulk Heterojunction Organic Solar Cells by Alam, Shahidul, Aldosari, Haya, Petoukhoff, Christopher E., Váry, Tomáš, Althobaiti, Wejdan, Alqurashi, Maryam, Tang, Hua, Khan, Jafar I., Nádaždy, Vojtech, Müller‐Buschbaum, Peter, Welch, Gregory C., Laquai, Frédéric

    Published in Advanced functional materials (01-02-2024)
    “…Thermally induced degradation of organic photovoltaic devices hinders the commercialization of this emerging PV technology. Thus, a precise understanding of…”
    Get full text
    Journal Article
  13. 13

    Relating Chain Conformation to the Density of States and Charge Transport in Conjugated Polymers: The Role of the β -phase in Poly(9,9-dioctylfluorene) by Shi, Xingyuan, Nádaždy, Vojtech, Perevedentsev, Aleksandr, Frost, Jarvist M., Wang, Xuhua, von Hauff, Elizabeth, MacKenzie, Roderick C. I., Nelson, Jenny

    Published in Physical review. X (24-05-2019)
    “…Charge transport inπ-conjugated polymers is characterized by a strong degree of disorder in both the energy of conjugated segments and the electronic coupling…”
    Get full text
    Journal Article
  14. 14

    Energy resolved-electrochemical impedance spectroscopy investigation of the role of Al-doped ZnO nanoparticles in electronic structure modification of polymer nanocomposite LEDs by Sevcik, Jakub, Urbanek, Pavel, Skoda, David, Jamatia, Thaiskang, Nadazdy, Vojtech, Urbanek, Michal, Antos, Jan, Munster, Lukas, Kuritka, Ivo

    Published in Materials & design (01-07-2021)
    “…[Display omitted] •The novel method (energy resolved-electrochemical impedance spectroscopy) for the characterization of the electronic structure of…”
    Get full text
    Journal Article
  15. 15

    Thiophene-centered azomethines: Structure, photophysical and electronic properties by Tokárová, Zita, Maxianová, Petra, Váry, Tomáš, Nádaždy, Vojtech, Végh, Daniel, Tokár, Kamil

    Published in Journal of molecular structure (15-03-2020)
    “…We present the synthesis and structure characterization of three novel symmetrical azomethines 3a-c derived from 2,5-diamino-thiophene-3,4-dicarbonitrile…”
    Get full text
    Journal Article
  16. 16

    The influence of surface roughness on the presence of polymorphs and defect states in P3HT layers by Kotorová, Soňa, Váry, Tomáš, Chlpík, Juraj, Toušek, Jiří, Toušková, Jana, Rutsch, Radka, Végső, Karol, Šiffalovič, Peter, Nádaždy, Vojtech, Majková, Eva, Cirák, Július

    Published in Applied surface science (30-01-2022)
    “…[Display omitted] •Two polymorphs in P3HT layer occur on rough ITO in comparison to smooth c-Si surface.•Sub-bandgap defect states above the HOMO in P3HT on…”
    Get full text
    Journal Article
  17. 17

    Influence of localized plasmon resonances on the redox reaction kinetic by Gmucová, Katarína, Benkovičová, Monika, Nádaždy, Vojtech, Majková, Eva

    “…As is well-known, redox reactions taking place on the electrode coated with plasmonic nanostructures influence the plasmon resonances. However, very little is…”
    Get full text
    Journal Article
  18. 18

    Correlation between electrical parameters and defect states of polythiophene:fullerene based solar cell by Kaiser, Michal, Nádaždy, Vojtech, Šiffalovič, Peter, Ivančo, Ján, Majková, Eva

    Published in Thin solid films (01-09-2016)
    “…We investigated the degradation of the poly(3-hexylthiophene) (P3HT):(6,6)-phenyl C61-butyric acid methyl ester (PCBM) organic solar cells (OSCs) induced by…”
    Get full text
    Journal Article
  19. 19
  20. 20

    Absolute energy levels in nanodiamonds of different origins and surface chemistries by Miliaieva, Daria, Djoumessi, Aurelien Sokeng, ermák, Jan, Kolá ová, Kate ina, Schaal, Maximilian, Otto, Felix, Shagieva, Ekaterina, Romanyuk, Olexandr, Pangrác, Ji í, Kuli ek, Jaroslav, Náda dy, Vojtech, Stehlík, Št pán, Kromka, Alexander, Hoppe, Harald, Rezek, Bohuslav

    Published in Nanoscale advances (24-08-2023)
    “…Nanodiamonds (NDs) are versatile, broadly available nanomaterials with a set of features highly attractive for applications from biology over energy harvesting…”
    Get full text
    Journal Article