Search Results - "Bakulin, A."

Direct observation of ultrafast exciton localization in an organic semiconductor with soft X-ray transient absorption spectroscopy by Garratt, D., Misiekis, L., Wood, D., Larsen, E. W., Matthews, M., Alexander, O., Ye, P., Jarosch, S., Ferchaud, C., Strüber, C., Johnson, A. S., Bakulin, A. A., Penfold, T. J., Marangos, J. P.

“…The localization dynamics of excitons in organic semiconductors influence the efficiency of charge transfer and separation in these materials. Here we apply…”
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Fine‐Tuning the Energy Levels of a Nonfullerene Small‐Molecule Acceptor to Achieve a High Short‐Circuit Current and a Power Conversion Efficiency over 12% in Organic Solar Cells by Kan, Bin, Zhang, Jiangbin, Liu, Feng, Wan, Xiangjian, Li, Chenxi, Ke, Xin, Wang, Yunchuang, Feng, Huanran, Zhang, Yamin, Long, Guankui, Friend, Richard H., Bakulin, Artem A., Chen, Yongsheng

“…Organic solar cell optimization requires careful balancing of current–voltage output of the materials system. Here, such optimization using ultrafast…”
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In situ observation of picosecond polaron self-localisation in α-Fe2O3 photoelectrochemical cells by Pastor, Ernest, Park, Ji-Sang, Steier, Ludmilla, Kim, Sunghyun, Grätzel, Michael, Durrant, James R., Walsh, Aron, Bakulin, Artem A.

“…Hematite (α-Fe 2 O 3 ) is the most studied artificial oxygen-evolving photo-anode and yet its efficiency limitations and their origin remain unknown. A…”
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Real-time observation of multiexcitonic states in ultrafast singlet fission using coherent 2D electronic spectroscopy by Bakulin, Artem A., Morgan, Sarah E., Kehoe, Tom B., Wilson, Mark W. B., Chin, Alex W., Zigmantas, Donatas, Egorova, Dassia, Rao, Akshay

“…Singlet fission is the spin-allowed conversion of a spin-singlet exciton into a pair of spin-triplet excitons residing on neighbouring molecules. To…”
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Impact of Oxygen Vacancy Occupancy on Charge Carrier Dynamics in BiVO4 Photoanodes by Selim, Shababa, Pastor, Ernest, García-Tecedor, Miguel, Morris, Madeleine R, Francàs, Laia, Sachs, Michael, Moss, Benjamin, Corby, Sacha, Mesa, Camilo A, Gimenez, Sixto, Kafizas, Andreas, Bakulin, Artem A, Durrant, James R

“…Oxygen vacancies are ubiquitous in metal oxides and critical to performance, yet the impact of these states upon charge carrier dynamics important for…”
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What Controls the Rate of Ultrafast Charge Transfer and Charge Separation Efficiency in Organic Photovoltaic Blends by Jakowetz, Andreas C, Böhm, Marcus L, Zhang, Jiangbin, Sadhanala, Aditya, Huettner, Sven, Bakulin, Artem A, Rao, Akshay, Friend, Richard H

“…In solar energy harvesting devices based on molecular semiconductors, such as organic photovoltaics (OPVs) and artificial photosynthetic systems, Frenkel…”
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Water Infiltration in Methylammonium Lead Iodide Perovskite: Fast and Inconspicuous by Müller, Christian, Glaser, Tobias, Plogmeyer, Marcel, Sendner, Michael, Döring, Sebastian, Bakulin, Artem A, Brzuska, Carlo, Scheer, Roland, Pshenichnikov, Maxim S, Kowalsky, Wolfgang, Pucci, Annemarie, Lovrinčić, Robert

“…While the susceptibility of CH3NH3PbI3 to water is well-documented, the influence of water on device performance is not well-understood. Herein, we use…”
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The Role of Driving Energy and Delocalized States for Charge Separation in Organic Semiconductors by Bakulin, Artem A., Rao, Akshay, Pavelyev, Vlad G., van Loosdrecht, Paul H. M., Pshenichnikov, Maxim S., Niedzialek, Dorota, Cornil, Jérôme, Beljonne, David, Friend, Richard H.

“…The electron-hole pair created via photon absorption in organic photoconversion systems must overcome the Coulomb attraction to achieve long-range charge…”
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Real-Time Observation of Organic Cation Reorientation in Methylammonium Lead Iodide Perovskites by Bakulin, Artem A, Selig, Oleg, Bakker, Huib J, Rezus, Yves L.A, Müller, Christian, Glaser, Tobias, Lovrincic, Robert, Sun, Zhenhua, Chen, Zhuoying, Walsh, Aron, Frost, Jarvist M, Jansen, Thomas L. C

“…The introduction of a mobile and polarized organic moiety as a cation in 3D lead-iodide perovskites brings fascinating optoelectronic properties to these…”
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Unequal Partnership: Asymmetric Roles of Polymeric Donor and Fullerene Acceptor in Generating Free Charge by Savoie, Brett M, Rao, Akshay, Bakulin, Artem A, Gelinas, Simon, Movaghar, Bijan, Friend, Richard H, Marks, Tobin J, Ratner, Mark A

“…Natural photosynthetic complexes accomplish the rapid conversion of photoexcitations into spatially separated electrons and holes through precise hierarchical…”
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Study of the Diffusion Properties of Oxygen in TiO2 by Bakulin, A. V., Chumakova, L. S., Kulkova, S. E.

“…The formation energies of oxygen vacancies and the migration barriers of oxygen in TiO 2 with a rutile structure have been calculated by the projector…”
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Electronic Structure and Mechanical Properties of Ti5Si3 by Chumakova, L. S., Bakulin, A. V., Kulkova, S. E.

“…The atomic and electronic structures, the elastic moduli, the vibrational frequencies, and the thermodynamic characteristics of the Ti 5 Si 3 titanium silicide…”
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Organic Cation Rotation and Immobilization in Pure and Mixed Methylammonium Lead-Halide Perovskites by Selig, Oleg, Sadhanala, Aditya, Müller, Christian, Lovrincic, Robert, Chen, Zhuoying, Rezus, Yves L. A, Frost, Jarvist M, Jansen, Thomas L. C, Bakulin, Artem A

“…Three-dimensional lead-halide perovskites have attracted a lot of attention due to their ability to combine solution processing with outstanding optoelectronic…”
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First-Principle Investigation of the (001) Surface Reconstructions of GaSb and InSb Semiconductors by Bakulin, A. V., Kulkova, S. E.

“…The atomic and electronic structures of reconstructions with the symmetry (2 × 4), (4 × 2), c (4 × 4), and (4 × 3) on the (001) surface of GaSb and InSb…”
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On the Energetic Dependence of Charge Separation in Low-Band-Gap Polymer/Fullerene Blends by Dimitrov, Stoichko D, Bakulin, Artem A, Nielsen, Christian B, Schroeder, Bob C, Du, Junping, Bronstein, Hugo, McCulloch, Iain, Friend, Richard H, Durrant, James R

“…The energetic driving force required to drive charge separation across donor/acceptor heterojunctions is a key consideration for organic optoelectronic…”
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Exciton and Charge Carrier Dynamics in Highly Crystalline PTQ10:IDIC Organic Solar Cells by Cha, Hyojung, Zheng, Yizhen, Dong, Yifan, Lee, Hyun Hwi, Wu, Jiaying, Bristow, Helen, Zhang, Jiangbin, Lee, Harrison Ka Hin, Tsoi, Wing C., Bakulin, Artem A., McCulloch, Iain, Durrant, James R.

“…Herein the morphology and exciton/charge carrier dynamics in bulk heterojunctions (BHJs) of the donor polymer PTQ10 and molecular acceptor IDIC are…”
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Charge Separation, Band-Bending, and Recombination in WO3 Photoanodes by Corby, Sacha, Pastor, Ernest, Dong, Yifan, Zheng, Xijia, Francàs, Laia, Sachs, Michael, Selim, Shababa, Kafizas, Andreas, Bakulin, Artem A, Durrant, James R

“…In metal oxide-based photoelectrochemical devices, the spatial separation of photogenerated electrons and holes is typically attributed to band-bending at the…”
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Field-Assisted Exciton Dissociation in Highly Efficient PffBT4T-2OD:Fullerene Organic Solar Cells by Weu, Andreas, Hopper, Thomas R, Lami, Vincent, Kreß, Joshua A, Bakulin, Artem A, Vaynzof, Yana

“…Understanding the photophysics of charge generation in organic semiconductors is a critical step toward the further optimization of organic solar cells. The…”
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Hot Carrier Dynamics in Perovskite Nanocrystal Solids: Role of the Cold Carriers, Nanoconfinement, and the Surface by Hopper, Thomas R, Gorodetsky, Andrei, Jeong, Ahhyun, Krieg, Franziska, Bodnarchuk, Maryna I, Maimaris, Marios, Chaplain, Marine, Macdonald, Thomas J, Huang, Xiaokun, Lovrincic, Robert, Kovalenko, Maksym V, Bakulin, Artem A

“…Carrier cooling is of widespread interest in the field of semiconductor science. It is linked to carrier–carrier and carrier–phonon coupling and has profound…”
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Orientation dependent molecular electrostatics drives efficient charge generation in homojunction organic solar cells by Dong, Yifan, Nikolis, Vasileios C., Talnack, Felix, Chin, Yi-Chun, Benduhn, Johannes, Londi, Giacomo, Kublitski, Jonas, Zheng, Xijia, Mannsfeld, Stefan C. B., Spoltore, Donato, Muccioli, Luca, Li, Jing, Blase, Xavier, Beljonne, David, Kim, Ji-Seon, Bakulin, Artem A., D’Avino, Gabriele, Durrant, James R., Vandewal, Koen

“…Organic solar cells usually utilise a heterojunction between electron-donating (D) and electron-accepting (A) materials to split excitons into charges…”
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