A5075159675- Perovskite Materials and Applications
- Conducting polymers and applications
- Organic Light-Emitting Diodes Research
- Quantum Dots Synthesis And Properties
- Solid-state spectroscopy and crystallography
- Ionic liquids properties and applications
- Antenna Design and Analysis
- Catalysis and Oxidation Reactions
- Wireless Power Transfer Systems
- Energy Harvesting in Wireless Networks
- Nanomaterials and Printing Technologies
- Adhesion, Friction, and Surface Interactions
- Fluid Dynamics and Thin Films
- Semiconductor materials and interfaces
- Chalcogenide Semiconductor Thin Films
- Nonlinear Optical Materials Studies
ITMO University
2019-2025
Abstract Hybrid organic–inorganic perovskite light‐emitting devices (LEDs) have recently shown the characteristic dynamical behavior of electrochemical cells (LECs), with intrinsic ionic migration creating an electric double layer and internal p‐i‐n structure by accumulation ions at interfaces. Therefore, development photovoltaic based on concepts LEC operation attracts much attention clarifies general physical processes in perovskites. Here, new directions that can further improve...
In recent years, the fabrication of conductive patterns on curved surfaces with a high‐resolution and low‐cost manner has attracted higher attention both from scientific community industry. Numerous studies were development maskless metallization methods for various non‐conductive materials, but few them have shown results surfaces. Here, we present first time possibility surface using direct laser (DLM) deep eutectic solvents (DES). The degree shading, scanning speed, number scans optimized...
The dipole layer of organic cation ions forms under applied voltage and helps to switch the working regime light-emitting solar cell from diode.
Abstract Halide perovskite nanocrystals (NCs) are an emerging family of low‐cost and high‐efficiency luminescent nanomaterials. They offer a broad gamut emitted light colors owing to the bandgap tunability via anion variation. Previously, lighten up NCs, they were placed between two electrodes inject charge carriers or integrated with commercial blue light‐emitting diodes powered by electric contacts. However, opportunities for remote lighting NCs have not been explored yet. In this work,...
Crystalline and morphological defects in the perovskite film affect operation of light-emitting devices. Thus, advanced scalable fabrication techniques can improve device properties. In this work, we use slot-die coating at ambient conditions, followed by hot air drying, to produce CsPbBr3 electrochemical cells. We compare method spin-coating analyze morphology optical reveal that annealing on a plate increases PLQY Shockley-Read-Hole lifetime, but worsens morphology. contrast, drying during...
Bright and Stable Perovskite Nanocrystals Lighted Up Remotely by Means of Wireless Power Transfer In article number 2301123, Sergey Makarov, Polina Kapitanova, colleagues present the principles wireless power transfer electromagnetic energy applied to light up halide perovskite nanoparticles encapsulated into a polymer matrix. As proof concept, chess pieces are created consisting charged from chessboard with an integrated metasurface-based resonator that provides quasi-homogeneous distribution.
Ionic migration in organo-halide perovskites plays an important role operation of perovskite based solar cells and light emitting diodes. Despite the ionic being a reversible process, it often leads to worsening device performance, hysteresis current-voltage characteristics, phase segregation mixed halide as most harmful effect. The reason is dynamical band structure changes, which controllable engineering would solve one biggest challenges for development light-emitting cells. Here we...
Mixed-halide perovskite allows to realize conception of light-emitting solar cell (LESC) due possibility in-situ change device band structure by formation dipole layer under applied voltage and intrinsic properties ions. LESC has optimized perovskite-based (SC) architecture, but diode (LED) regime performances is still low. Defect passivation can improve LED efficiencies reducing nonradiative recombination via defect levels. Solvent annealing regulate film process leads better morphology...
This work is devoted to the study of one-to-many wireless power transfer systems with magnetic resonant coupling. We develop metasurface-inspired resonators quasi-uniform near field distribution use as a transmitter for simultaneous charging multiple receivers placed on it. Two different topologies compact multi-mode formed an array parallel wires capacitive load are proposed and studied. perform circuit analysis full-wave numerical simulations electromagnetic characteristics resonators. The...
This cover page depicts a new type of reconfigurable perovskite light emitting electrochemic al (PeLEC) device, in which the external ions, such as Li+ added via ionic salt, play role internal mobile dopants forming p–i–n structure and electrical double layers at interfaces, strongly enhancing charge injection. concept is described article number 2001715 by Dmitry Gets, Jason D. Slinker, Anvar A. Zakhidov co-workers, they demonstrate wide scope interesting applications this reconfigurability...