G
Georgy I. Maikov
Researcher at Technion – Israel Institute of Technology
Publications - 18
Citations - 504
Georgy I. Maikov is an academic researcher from Technion – Israel Institute of Technology. The author has contributed to research in topics: Quantum dot & Exciton. The author has an hindex of 9, co-authored 18 publications receiving 451 citations.
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Journal ArticleDOI
Hydrogen-like Wannier-Mott Excitons in Single Crystal of Methylammonium Lead Bromide Perovskite
Jenya Tilchin,Dmitry N. Dirin,Georgy I. Maikov,Aldona Sashchiuk,Maksym V. Kovalenko,Maksym V. Kovalenko,Efrat Lifshitz +6 more
TL;DR: The photoluminescence temperature dependence suggested dominance of delayed exciton emission at elevated temperatures, originating from detrapping of carriers from shallow traps or/and from retrapped of electron-hole pairs into exciton states.
Journal ArticleDOI
Composition-Tunable Optical Properties of Colloidal IV−VI Quantum Dots, Composed of Core/Shell Heterostructures with Alloy Components
TL;DR: The k·p envelope function calculation revealed a delocalization of the hole wave function over the entire volume of the CQDs, as a partial explanation for the marked tunability, nonetheless preserving a desired size.
Journal ArticleDOI
Anomalous Independence of Multiple Exciton Generation on Different Group IV−VI Quantum Dot Architectures
M. Tuan Trinh,Leo Polak,Juleon M. Schins,Arjan J. Houtepen,Roman Vaxenburg,Georgy I. Maikov,Gal Grinbom,Aaron G. Midgett,Joseph M. Luther,Matthew C. Beard,Arthur J. Nozik,Mischa Bonn,Efrat Lifshitz,Laurens D. A. Siebbeles +13 more
TL;DR: Calculations reveal only a minor asymmetric delocalization of holes and electrons over the entire core/shell volume, which may partially explain why the Auger recombination rate does not depend on the presence of a shell.
Journal ArticleDOI
Thermally activated photoluminescence in lead selenide colloidal quantum dots.
TL;DR: The thermal activation processes in PbSe colloidal quantum dots and their influence on the ground-state exciton emission are discussed and the emission quantum yield of these dots, measured at a variety of temperatures when dissolved in various solvents, reveals information about the influence of the environment on the recombination processes.
Journal ArticleDOI
Small-Sized PbSe/PbS Core/Shell Colloidal Quantum Dots
Diana Yanover,Richard Capek,Anna Rubin-Brusilovski,Roman Vaxenburg,Nathan Grumbach,Georgy I. Maikov,Olga Solomeshch,Aldona Sashchiuk,Efrat Lifshitz +8 more
TL;DR: The PbSe/PbS core/shell CQDs have a tunable absorption edge around 1 μm, large exciton emission Stokes shift (∼150 meV), and small exchange interaction (∆ 1.5 meV) as mentioned in this paper.