Search Results - "Gegevičius, Rokas"

A Short Synthesis of Vellosimine and Its Derivatives by Chatinovska, Barbara, Gegevičius, Rokas, Orentas, Edvinas

“…Rapid access to both enantiomers of vellosimine and its derivatives is secured from a readily affordable C 2-symmetric 9-azabicyclo[3.3.1]­nonane precursor…”
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The Role of Grain Boundaries in Charge Carrier Dynamics in Polycrystalline Metal Halide Perovskites by Gegevičius, Rokas, Franckevičius, Marius, Gulbinas, Vidmantas

“…Boundaries of perovskite grains forming polycrystalline films are the most sensitive place for the formation of the defect states and accumulation of…”
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Reduced Efficiency Roll‐Off and Improved Stability of Mixed 2D/3D Perovskite Light Emitting Diodes by Balancing Charge Injection by Fakharuddin, Azhar, Qiu, Weiming, Croes, Guillaume, Devižis, Andrius, Gegevičius, Rokas, Vakhnin, Alexander, Rolin, Cedric, Genoe, Jan, Gehlhaar, Robert, Kadashchuk, Andrey, Gulbinas, Vidmantas, Heremans, Paul

“…Perovskite light emitting diodes (PeLEDs) have reached external quantum efficiencies (EQEs) over 21%. Their EQE, however, drops at increasing current densities…”
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Electroluminescence Dynamics in Perovskite Solar Cells Reveals Giant Overshoot Effect by Gegevičius, Rokas, Franckevičius, Marius, Chmeliov, Jevgenij, Tress, Wolfgang, Gulbinas, Vidmantas

“…High performance of both photovoltaic and electroluminescent devices requires low nonradiative recombination losses. In perovskites, such loses strongly depend…”
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High‐Speed, Sensitive Planar Perovskite Photodetector Based on Interdigitated Pt and Au Electrodes by Gegevičius, Rokas, Franckevičius, Marius, Pakštas, Vidas, Augulis, Ramūnas, Gulbinas, Vidmantas

“…Organic–inorganic hybrid perovskites are a new class of semiconducting materials currently yielding high‐performance solar cells. They are also attractive for…”
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Ion Motion Determines Multiphase Performance Dynamics of Perovskite LEDs by Chmeliov, Jevgenij, Elkhouly, Karim, Gegevičius, Rokas, Jonušis, Lukas, Devižis, Andrius, Gelžinis, Andrius, Franckevičius, Marius, Goldberg, Iakov, Hofkens, Johan, Heremans, Paul, Qiu, Weiming, Gulbinas, Vidmantas

“…Perovskite light‐emitting diodes (PeLEDs) currently reach up to about 20% external quantum efficiency (EQE) and are becoming a promising technology for display…”
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Energy Barriers Restrict Charge Carrier Motion in MAPI Perovskite Films by Jasiūnas, Rokas, Gegevičius, Rokas, Franckevičius, Marius, Jašinskas, Vidmantas, Gulbinas, Vidmantas

“…Understanding of charge trapping processes in halide perovskites is vital to further improve performance of perovskite optoelectronic devices such as solar…”
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Molecular Design and Operational Stability: Toward Stable 3D/2D Perovskite Interlayers by Paek, Sanghyun, Roldán‐Carmona, Cristina, Cho, Kyung Taek, Franckevičius, Marius, Kim, Hobeom, Kanda, Hiroyuke, Drigo, Nikita, Lin, Kun‐Han, Pei, Mingyuan, Gegevičius, Rokas, Yun, Hyung Joong, Yang, Hoichang, Schouwink, Pascal A., Corminboeuf, Clémence, Asiri, Abdullah M., Nazeeruddin, Mohammad Khaja

“…Despite organic/inorganic lead halide perovskite solar cells becoming one of the most promising next‐generation photovoltaic materials, instability under heat…”
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An Enantiopure Hydrogen-Bonded Octameric Tube: Self-Sorting and Guest-Induced Rearrangement by Račkauskaitė, Dovilė, Gegevičius, Rokas, Matsuo, Yutaka, Wärnmark, Kenneth, Orentas, Edvinas

“…The assembly of a discrete hydrogen‐bonded molecular tube from eight small identical monomers is reported. Tube assembly was accomplished by means of selective…”
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Suppression of Electron Trapping in MAPbI3 Perovskite by Sr2+ Doping by Jasiūnas, Rokas, Gegevičius, Rokas, Franckevičius, Marius, Phung, Nga, Abate, Antonio, Gulbinas, Vidmantas

“…Perovskite‐based solar cells currently are one of the most rapidly developing fields in solar photovoltaics. Chemical doping of perovskites with foreign atoms…”
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Electric Field-Induced Quenching of MAPbI3 Photoluminescence in PeLED Architecture by Gegevičius, Rokas, Elkhouly, Karim, Franckevičius, Marius, Chmeliov, Jevgenij, Goldberg, Iakov, Gehlhaar, Robert, Qiu, Weiming, Genoe, Jan, Heremans, Paul, Gulbinas, Vidmantas

“…Photoluminescence (PL) measurements are a widely used technique for the investigation of perovskite-based materials and devices. Although electric…”
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Doped but Stable: Spirobisacridine Hole Transporting Materials for Hysteresis-Free and Stable Perovskite Solar Cells by Drigo, Nikita, Roldan-Carmona, Cristina, Franckevičius, Marius, Lin, Kun-Han, Gegevičius, Rokas, Kim, Hobeom, Schouwink, Pascal A, Sutanto, Albertus A, Olthof, Selina, Sohail, Muhammad, Meerholz, Klaus, Gulbinas, Vidmantas, Corminboeuf, Clémence, Paek, Sanghyun, Nazeeruddin, Mohammad Khaja

“…Four spirobisacridine (SBA) hole-transporting materials were synthesized and employed in perovskite solar cells (PSCs). The molecules bear electronically inert…”
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An Enantiopure Hydrogen-Bonded Octameric Tube: Self-Sorting and Guest-Induced Rearrangement by Račkauskaitė, Dovilė, Gegevičius, Rokas, Matsuo, Yutaka, Wärnmark, Kenneth, Orentas, Edvinas

“…The assembly of a discrete hydrogen‐bonded molecular tube from eight small identical monomers is reported. Tube assembly was accomplished by means of selective…”
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Perovskite Solar Cells: 18% Efficiency Using Zn(II) and Cu(II) Octakis(diarylamine)phthalocyanines as Hole-Transporting Materials by Cho, Kyung Taek, Cavazzini, Marco, Rakstys, Kasparas, Orlandi, Simonetta, Paek, Sanghyun, Franckevičius, Marius, Kanda, Hiroyuki, Gegevičius, Rokas, Emmanuel, Queloz Valentin, Pozzi, Gianluca, Nazeeruddin, Mohammad Khaja

“…Metallophthalocyanines (MPcs) are currently emerging as alternative hole-transporting materials (HTMs) in perovskite solar cells (PSCs). However, the lack of…”
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S‑Methylthiouronium Improves the Photostability of Methylammonium Lead Iodide Perovskites by Kavaliauskaitė, Gabrielė, Kuksėnaitė, Gintarė, Gegevičius, Rokas, Pakštas, Vidas, Selskis, Algirdas, Strazdienė, Viktorija, Padarauskas, Audrius, Orentas, Edvinas, Gulbinas, Vidmantas, Franckevičius, Marius

“…Although the efficiency record of perovskite solar cells is already above 25%, long-term stability is a key challenge for their commercialization. Herein, we…”
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Electric Field-Induced Quenching of MAPbI 3 Photoluminescence in PeLED Architecture by Gegevičius, Rokas, Elkhouly, Karim, Franckevičius, Marius, Chmeliov, Jevgenij, Goldberg, Iakov, Gehlhaar, Robert, Qiu, Weiming, Genoe, Jan, Heremans, Paul, Gulbinas, Vidmantas

“…Photoluminescence (PL) measurements are a widely used technique for the investigation of perovskite-based materials and devices. Although electric…”
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Suppression of Electron Trapping in MAPbI 3 Perovskite by Sr 2+ Doping by Jasiūnas, Rokas, Gegevičius, Rokas, Franckevičius, Marius, Phung, Nga, Abate, Antonio, Gulbinas, Vidmantas

“…Perovskite‐based solar cells currently are one of the most rapidly developing fields in solar photovoltaics. Chemical doping of perovskites with foreign atoms…”
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Oxide Layer Enhances Photocurrent Gain of the Planar MAPbI3 Photodetector by Gegevičius, Rokas, Treideris, Marius, Pakštas, Vidas, Franckevičius, Marius, Gulbinas, Vidmantas

“…Even though the current development of hybrid perovskite photodetectors makes them competitive with their inorganic analogs, a detailed fundamental…”
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Oxide Layer Enhances Photocurrent Gain of the Planar MAPbI 3 Photodetector by Gegevičius, Rokas, Treideris, Marius, Pakštas, Vidas, Franckevičius, Marius, Gulbinas, Vidmantas

“…Abstract Even though the current development of hybrid perovskite photodetectors makes them competitive with their inorganic analogs, a detailed fundamental…”
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