Search Results - "Holovský, Jakub"

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  1. 1

    Life on the Urbach Edge by Ugur, Esma, Ledinský, Martin, Allen, Thomas G., Holovský, Jakub, Vlk, Aleš, De Wolf, Stefaan

    Published in The journal of physical chemistry letters (25-08-2022)
    “…The Urbach energy is an expression of the static and dynamic disorder in a semiconductor and is directly accessible via optical characterization techniques…”
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  2. 2

    Raman Spectroscopy of Organic–Inorganic Halide Perovskites by Ledinský, Martin, Löper, Philipp, Niesen, Bjoern, Holovský, Jakub, Moon, Soo-Jin, Yum, Jun-Ho, De Wolf, Stefaan, Fejfar, Antonín, Ballif, Christophe

    Published in The journal of physical chemistry letters (05-02-2015)
    “…Micro-Raman spectroscopy provides laterally resolved microstructural information for a broad range of materials. In this Letter, we apply this technique to…”
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  3. 3

    Temperature Dependence of the Urbach Energy in Lead Iodide Perovskites by Ledinsky, Martin, Schönfeldová, Tereza, Holovský, Jakub, Aydin, Erkan, Hájková, Zdeňka, Landová, Lucie, Neyková, Neda, Fejfar, Antonín, De Wolf, Stefaan

    Published in The journal of physical chemistry letters (21-03-2019)
    “…To gain insight into the properties of photovoltaic and light-emitting materials, detailed information about their optical absorption spectra is essential…”
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  4. 4

    Silicon heterojunction solar cells: Excellent candidate for low light illuminations by Sharma, Rupendra Kumar, Pakki, Abhinav Deep, Holovský, Jakub

    Published in Solar energy materials and solar cells (15-08-2024)
    “…The current solar cells and modules are marketed according to the behaviour at standard test conditions (STC), however, these devices are more often operated…”
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  5. 5

    Concentration-Dependent Impact of Alkali Li Metal Doped Mesoporous TiO2 Electron Transport Layer on the Performance of CH3NH3PbI3 Perovskite Solar Cells by Peter Amalathas, Amalraj, Landová, Lucie, Conrad, Brianna, Holovský, Jakub

    Published in Journal of physical chemistry. C (15-08-2019)
    “…TiO2 is most commonly employed as an electron transport layer (ETL) in mesoscopic n–i–p perovskite solar cells (PSCs). However, the low electron mobility, low…”
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  6. 6

    Impact of Cation Multiplicity on Halide Perovskite Defect Densities and Solar Cell Voltages by Ledinský, Martin, Vlk, Aleš, Schönfeldová, Tereza, Holovský, Jakub, Aydin, Erkan, Dang, Hoang X, Hájková, Zdeňka, Landová, Lucie, Valenta, Jan, Fejfar, Antonín, De Wolf, Stefaan

    Published in Journal of physical chemistry. C (17-12-2020)
    “…Metal-halide perovskites feature very low deep-defect densities, thereby enabling high operating voltages at the solar cell level. Here, by precise extraction…”
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  7. 7

    Quantitative Analysis of Nanorough Hydrogenated Si(111) Surfaces through Vibrational Spectral Assignment by Periodic DFT Calculations by Holovský, Jakub, Šebera, Jakub, Sychrovský, Vladimír, Zemen, Jan, De Wolf, Stefaan, Ballif, Christophe

    Published in Journal of physical chemistry. C (19-05-2022)
    “…In this work, we use periodic density functional theory (periodic DFT) to rigorously assign vibrational spectra measured on nanorough wet-processed…”
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  8. 8

    New metric for carrier selective contacts for silicon heterojunction solar cells by Kumar Sharma, Rupendra, Boccard, Mathieu, Holovský, Jakub

    Published in Solar energy (15-09-2022)
    “…•Understand the selective contacts of silicon heterojunction solar cells through band alignment, Fermi level and barrier height.•Development of a new matric…”
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  9. 9

    FTIR Measurement of the Hydrogenated Si(100) Surface: The Structure-Vibrational Interpretation by Means of Periodic DFT Calculation by Šebera, Jakub, Zemen, Jan, Jirásek, Vít, Holovský, Jakub, Sychrovský, Vladimír

    Published in Journal of physical chemistry. C (06-05-2021)
    “…The periodic density functional theory (periodic DFT) method was employed for the interpretation of infrared radiation spectra (IR spectra) measured for the…”
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  10. 10

    Radiative Efficiency Limit with Band Tailing Exceeds 30% for Quantum Dot Solar Cells by Jean, Joel, Mahony, Thomas S, Bozyigit, Deniz, Sponseller, Melany, Holovský, Jakub, Bawendi, Moungi G, Bulović, Vladimir

    Published in ACS energy letters (10-11-2017)
    “…Thin films of colloidal quantum dots (QDs) are promising solar photovoltaic (PV) absorbers in spite of their disordered nature. Disordered PV materials face a…”
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  11. 11

    Thin-film limit formalism applied to surface defect absorption by Holovský, Jakub, Ballif, Christophe

    Published in Optics express (15-12-2014)
    “…The thin-film limit is derived by a nonconventional approach and equations for transmittance, reflectance and absorptance are presented in highly versatile and…”
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  12. 12

    Lead Halide Residue as a Source of Light-Induced Reversible Defects in Hybrid Perovskite Layers and Solar Cells by Holovský, Jakub, Peter Amalathas, Amalraj, Landová, Lucie, Dzurňák, Branislav, Conrad, Brianna, Ledinský, Martin, Hájková, Zdeňka, Pop-Georgievski, Ognen, Svoboda, Jan, Yang, Terry Chien-Jen, Jeangros, Quentin

    Published in ACS energy letters (13-12-2019)
    “…Advanced characterization methods avoiding transient effects in combination with solar cell performance monitoring reveal details of reversible light-induced…”
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  13. 13
  14. 14

    Pulsed laser deposition of high-transparency molybdenum oxide thin films by Holovský, Jakub, Horynová, Eva, Horák, Lukáš, Ridzoňová, Katarína, Remeš, Zdeněk, Landová, Lucie, Sharma, Rupendra Kumar

    Published in Vacuum (01-12-2021)
    “…Molybdenum oxide is an intensively studied material, thanks to its high bandgap, high work function, and potentially also photochromism, plasmonic properties,…”
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  15. 15

    Experimental quantification of useful and parasitic absorption of light in plasmon-enhanced thin silicon films for solar cells application by Morawiec, Seweryn, Holovský, Jakub, Mendes, Manuel J., Müller, Martin, Ganzerová, Kristina, Vetushka, Aliaksei, Ledinský, Martin, Priolo, Francesco, Fejfar, Antonin, Crupi, Isodiana

    Published in Scientific reports (03-03-2016)
    “…A combination of photocurrent and photothermal spectroscopic techniques is applied to experimentally quantify the useful and parasitic absorption of light in…”
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  16. 16

    Below the Urbach Edge: Solar Cell Loss Analysis Based on Full External Quantum Efficiency Spectra by Holovský, Jakub, Ridzoňová, Katarína, Peter Amalathas, Amalraj, Conrad, Brianna, Sharma, Rupendra Kumar, Chin, Xin Yu, Bastola, Ebin, Bhandari, Khagendra, Ellingson, Randy J., De Wolf, Stefaan

    Published in ACS energy letters (14-07-2023)
    “…We suggest a new solar cell loss analysis using the external quantum efficiency (EQE) measured with sufficiently high sensitivity to also account for defects…”
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    Effect of the thin-film limit on the measurable optical properties of graphene by Holovský, Jakub, Nicolay, Sylvain, De Wolf, Stefaan, Ballif, Christophe

    Published in Scientific reports (28-10-2015)
    “…The fundamental sheet conductance of graphene can be directly related to the product of its absorption coefficient, thickness and refractive index. The same…”
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  19. 19

    Optical characterization of low temperature amorphous MoOx, WOX, and VOx prepared by pulsed laser deposition by Horynová, Eva, Romanyuk, Oleksandr, Horák, Lukáš, Remeš, Zdeněk, Conrad, Brianna, Peter Amalathas, Amalraj, Landová, Lucie, Houdková, Jana, Jiříček, Petr, Finsterle, Tomáš, Holovský, Jakub

    Published in Thin solid films (01-01-2020)
    “…•Amorphous MoOx, WOx, and VOx were prepared by pulsed laser deposition.•Films demonstrate high transparency and high work function.•Oxygen pressure is a key…”
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  20. 20

    Amorphous/Crystalline Silicon Interface Stability: Correlation between Infrared Spectroscopy and Electronic Passivation Properties by Holovský, Jakub, Martín De Nicolás, Silvia, De Wolf, Stefaan, Ballif, Christophe

    Published in Advanced materials interfaces (01-10-2020)
    “…Ultrathin layers of hydrogenated amorphous silicon (a‐Si:H), passivating the surface of crystalline silicon (c‐Si), are key enablers for high‐efficiency…”
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