Search Results - "Holovsky, Jakub"

Diamond/carbon nanotube composites: Raman, FTIR and XPS spectroscopic studies by Varga, Marian, Izak, Tibor, Vretenar, Viliam, Kozak, Halyna, Holovsky, Jakub, Artemenko, Anna, Hulman, Martin, Skakalova, Viera, Lee, Dong Su, Kromka, Alexander

“…As long as the carbon family materials are pristine, powerful methods for their individual characterization have been established and well understood. However,…”
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Low-Temperature High-Mobility Amorphous IZO for Silicon Heterojunction Solar Cells by Morales-Masis, Monica, De Nicolas, Silvia Martin, Holovsky, Jakub, De Wolf, Stefaan, Ballif, Christophe

“…Parasitic absorption in the transparent conductive oxide (TCO) front electrode is one of the limitations of silicon heterojunction (SHJ) solar cells…”
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Highly Conductive and Broadband Transparent Zr-Doped In2O3 as Front Electrode for Solar Cells by Morales-Masis, Monica, Rucavado, Esteban, Monnard, Raphael, Barraud, Loris, Holovsky, Jakub, Despeisse, Matthieu, Boccard, Mathieu, Ballif, Christophe

“…Broadband transparent and highly conducting electrodes are key to avoid parasitic absorption and electrical losses in solar cells. Here, we propose…”
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Organic-Inorganic Halide Perovskites: Perspectives for Silicon-Based Tandem Solar Cells by Loper, Philipp, Niesen, Bjoern, Soo-Jin Moon, Martin de Nicolas, Silvia, Holovsky, Jakub, Remes, Zdenek, Ledinsky, Martin, Haug, Franz-Josef, Jun-Ho Yum, De Wolf, Stefaan, Ballif, Christophe

“…We investigate the efficiency potential of organic-inorganic halide perovskite/crystalline silicon tandem solar cells, a new class of photovoltaic devices…”
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Is light-induced degradation of a- Si:H/ c -Si interfaces reversible? by El Mhamdi, El Mahdi, Holovsky, Jakub, Demaurex, Bénédicte, Ballif, Christophe, De Wolf, Stefaan

“…Thin hydrogenated amorphous silicon (a-Si:H) films deposited on crystalline silicon (c-Si) surfaces are sensitive probes for the bulk electronic properties of…”
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Controlled Growth of Large Grains in CH3NH3PbI3 Perovskite Films Mediated by an Intermediate Liquid Phase without an Antisolvent for Efficient Solar Cells by Peter Amalathas, Amalraj, Landová, Lucie, Hájková, Zdeňka, Horák, Lukáš, Ledinsky, Martin, Holovský, Jakub

“…High-quality crystalline large grains with uniform morphologies of the perovskite films are particularly important for achieving stable, high-performance…”
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Life on the Urbach Edge by Ugur, Esma, Ledinský, Martin, Allen, Thomas G., Holovský, Jakub, Vlk, Aleš, De Wolf, Stefaan

“…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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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

“…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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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

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

“…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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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

“…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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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

“…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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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

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

“…•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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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

“…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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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

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

“…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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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

“…Advanced characterization methods avoiding transient effects in combination with solar cell performance monitoring reveal details of reversible light-induced…”
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A New View of Microcrystalline Silicon: The Role of Plasma Processing in Achieving a Dense and Stable Absorber Material for Photovoltaic Applications by Bugnon, Grégory, Parascandolo, Gaetano, Söderström, Thomas, Cuony, Peter, Despeisse, Matthieu, Hänni, Simon, Holovský, Jakub, Meillaud, Fanny, Ballif, Christophe

“…To further lower production costs and increase conversion efficiency of thin‐film silicon solar modules, challenges are the deposition of high‐quality…”
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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

“…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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