Search Results - "Gelzinis, Andrius"

Stark absorption and Stark fluorescence spectroscopies: Theory and simulations by Braver, Yakov, Valkunas, Leonas, Gelzinis, Andrius

“…Stark spectroscopy experiments are widely used to study the properties of molecular systems, particularly those containing charge-transfer (CT) states…”
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Vibronic coherence in oxygenic photosynthesis by Fuller, Franklin D., Pan, Jie, Gelzinis, Andrius, Butkus, Vytautas, Senlik, S. Seckin, Wilcox, Daniel E., Yocum, Charles F., Valkunas, Leonas, Abramavicius, Darius, Ogilvie, Jennifer P.

“…Photosynthesis powers life on our planet. The basic photosynthetic architecture consists of antenna complexes that harvest solar energy and reaction centres…”
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Environment-dependent chlorophyll-chlorophyll charge transfer states in Lhca4 pigment-protein complex by Rankelytė, Gabrielė, Gelzinis, Andrius, Robert, Bruno, Valkunas, Leonas, Chmeliov, Jevgenij

“…Photosystem I (PSI) light-harvesting antenna complexes LHCI contain spectral forms that absorb and emit photons of lower energy than that of its primary…”
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Application of artificial neural networks for modeling of electronic excitation dynamics in 2D lattice: Direct and inverse problems by Juknevicius, Pranas, Chmeliov, Jevgenij, Valkunas, Leonas, Gelzinis, Andrius

“…Machine learning (ML) approaches are attracting wide interest in the chemical physics community since a trained ML system can predict numerical properties of…”
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Aggregation-Related Nonphotochemical Quenching in the Photosynthetic Membrane by Chmeliov, Jevgenij, Gelzinis, Andrius, Franckevičius, Marius, Tutkus, Marijonas, Saccon, Francesco, Ruban, Alexander V, Valkunas, Leonas

“…The photosynthetic apparatus of plants is a robust self-adjustable molecular system, able to function efficiently under varying environmental conditions. Under…”
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Non-Markovian effects in time-resolved fluorescence spectrum of molecular aggregates: Tracing polaron formation by Gelzinis, Andrius, Abramavicius, Darius, Valkunas, Leonas

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The nature of self-regulation in photosynthetic light-harvesting antenna by Chmeliov, Jevgenij, Gelzinis, Andrius, Songaila, Egidijus, Augulis, Ramūnas, Duffy, Christopher D. P., Ruban, Alexander V., Valkunas, Leonas

“…The photosynthetic apparatus of green plants is well known for its extremely high efficiency that allows them to operate under dim light conditions. On the…”
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Benchmarking the stochastic time-dependent variational approach for excitation dynamics in molecular aggregates by Chorošajev, Vladimir, Gelzinis, Andrius, Valkunas, Leonas, Abramavicius, Darius

“…[Display omitted] •The Davydov ansatze can be used for finite temperature simulations with an extension.•The accuracy is high if the system is strongly coupled…”
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Ultrafast energy transfer within the photosystem II core complex by Pan, Jie, Gelzinis, Andrius, Chorošajev, Vladimir, Vengris, Mikas, Senlik, S Seckin, Shen, Jian-Ren, Valkunas, Leonas, Abramavicius, Darius, Ogilvie, Jennifer P

“…We report 2D electronic spectroscopy on the photosystem II core complex (PSII CC) at 77 K under different polarization conditions. A global analysis of the…”
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Tight-binding model of the photosystem II reaction center: application to two-dimensional electronic spectroscopy by Gelzinis, Andrius, Valkunas, Leonas, Fuller, Franklin D, Ogilvie, Jennifer P, Mukamel, Shaul, Abramavicius, Darius

“…We propose an optimized tight-binding electron-hole model of the photosystem II (PSII) reaction center (RC). Our model incorporates two charge separation…”
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Double Charge Transfer Dominates in Carrier Localization in Low Bandgap Sites of Heterogeneous Lead Halide Perovskites by Fakharuddin, Azhar, Franckevičius, Marius, Devižis, Andrius, Gelžinis, Andrius, Chmeliov, Jevgenij, Heremans, Paul, Gulbinas, Vidmantas

“…Heterogeneous organic‐inorganic halide perovskites possess inherent non‐uniformities in bandgap that are sometimes engineered and exploited on purpose, like in…”
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Interplay between charge separation and hole back transfer determines the efficiency of non-fullerene organic solar cells with low energy level offset by Jasiūnas, Rokas, Zhang, Huotian, Gelžinis, Andrius, Chmeliov, Jevgenij, Franckevičius, Marius, Gao, Feng, Gulbinas, Vidmantas

“…Organic bulk heterojunction solar cells with electron acceptors based on small donor-acceptor type molecules show record efficiencies mainly due to their long…”
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Direct Tracking of Charge Carrier Drift and Extraction from Perovskite Solar Cells by Means of Transient Electroabsorption Spectroscopy by Jašinskas, Vidmantas, Franckevičius, Marius, Gelžinis, Andrius, Chmeliov, Jevgenij, Gulbinas, Vidmantas

“…The best perovskite solar cells currently demonstrate more than 25% efficiencies, yet many fundamental processes that determine the operation of these devices…”
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Quantum–Classical Approach for Calculations of Absorption and Fluorescence: Principles and Applications by Braver, Yakov, Valkunas, Leonas, Gelzinis, Andrius

“…Absorption and fluorescence spectroscopy techniques provide a wealth of information on molecular systems. The simulations of such experiments remain…”
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Two-dimensional spectroscopy for non-specialists by Gelzinis, Andrius, Augulis, Ramūnas, Butkus, Vytautas, Robert, Bruno, Valkunas, Leonas

“…Detailed studies of the excitation dynamics in photosynthetic pigment-proteins require an application of a wide range of spectroscopic methods. From the later…”
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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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Concentration Quenching of Fluorescence Decay Kinetics of Molecular Systems by Barysaitė, Sandra, Chmeliov, Jevgenij, Valkunas, Leonas, Gelzinis, Andrius

“…Fluorescence concentration quenching occurs when increasing molecular concentration of fluorophores results in a decreasing fluorescence quantum yield. Even…”
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Simulations of absorption and fluorescence lineshapes using the reaction coordinate method by Rybakovas, Edvardas, Gelzinis, Andrius, Valkunas, Leonas

“…Absorption and fluorescence lineshapes reflect a complex interplay between electronic and vibrational dynamics in molecular aggregates. Entanglement between…”
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Concentration quenching of fluorescence in thin films of zinc-phthalocyanine by Tamošiūnaitė, Justė, Streckaitė, Simona, Chmeliov, Jevgenij, Valkunas, Leonas, Gelzinis, Andrius

“…The phenomenon of fluorescence concentration quenching, when fluorescence quantum yield decreases upon increase of fluorophore concentration, has been studied…”
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Application of decay- and evolution-associated spectra for molecular systems with spectral shifts or inherent inhomogeneities by Braver, Yakov, Gelzinis, Andrius, Chmeliov, Jevgenij, Valkunas, Leonas

“…[Display omitted] •DAS and EAS describe small systems reliably even in the presence of disorder.•DAS and EAS produce ambiguous results when applied to large…”
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