- Perovskite Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Conducting polymers and applications
- Advanced Semiconductor Detectors and Materials
- ZnO doping and properties
- Quantum Dots Synthesis And Properties
- Semiconductor materials and interfaces
- Organic Electronics and Photovoltaics
- Transition Metal Oxide Nanomaterials
- Ga2O3 and related materials
- Radiation Detection and Scintillator Technologies
- Semiconductor materials and devices
- Thin-Film Transistor Technologies
- Copper-based nanomaterials and applications
- Solid-state spectroscopy and crystallography
- Nanowire Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Silicon Nanostructures and Photoluminescence
- Diamond and Carbon-based Materials Research
- Graphene research and applications
- Advanced Thermoelectric Materials and Devices
- 2D Materials and Applications
- MXene and MAX Phase Materials
- solar cell performance optimization
- Polymer Nanocomposite Synthesis and Irradiation
Nazarbayev University
2022-2025
Yuriy Fedkovych Chernivtsi National University
2015-2023
University Research Co (United States)
2023
Charles University
2023
Flexible and printed perovskite solar cells (PSCs) fabricated on lightweight plastic substrates have many excellent potential applications in emerging new technologies including wearable portable electronics, the internet of things, smart buildings, etc. To fabricate flexible PSCs, all functional layers devices should be processed at low temperatures. Tin oxide is one best metal materials to employ as electron transport layer (ETL) PSCs. Herein, synthesis application SnO2 quantum dots (QDs)...
Abstract In this study, a comprehensive quantitative analysis of the photodiode (PD) is conducted and photovoltaic (PV) characteristics organic non‐fullerene PCE10:ITIC‐4F devices before after exposure to 150 ns pulse 170 keV proton irradiation with fluence 2·10 12 p cm −2 that equivalent ≈6 years operation at low Earth orbit. While an expected initial performance reduction happened in modes, hitherto unknown self‐healing effect observed several days irradiation. The bulk‐heterojunction...
Abstract Production scalability, efficiency, and stability challenges continue to impede the commercial viability of perovskite solar cells (PSCs). In this study, a multifunctional passivation technique is introduced, designed enhance efficiency printable, air‐processed PSCs with laminated carbon electrodes. This findings indicate that tin(II) phthalocyanine (SnPC) molecules act as an interfacial layer between absorber hole‐transporting (HTL), effectively passivating surface trap states...
Abstract A novel high‐performance ultraviolet–visible–near‐infrared (300–820 nm) heterojunction photodiode based on radiation‐resistant semiconductor materials is proposed. titanium nitride (TiN) “window” layer deposited via magnetron sputtering onto a cadmium zinc telluride (CdZnTe) solid solution single crystal. The TiN/CdZnTe photodiodes concurrently reveal an outstanding detectivity, response time, and linear dynamic range outperforming similar photodetectors, photoactive inorganic...
Abstract This work investigates the radiation resistance of high‐performance multi‐component perovskite solar cells (PSCs) for first time under extreme short‐pulse proton irradiation conditions. The devices are subjected to high‐intensity 170 keV pulsed (150 ns) irradiation, with a fluence up 10 13 p cm −2, corresponding ≈30 years operation at low Earth orbit. A complex material characterization active layer and device physics analysis PSCs before after is conducted. obtained results...
Abstract This work reports, for the first time, on radiation resistance of state‐of‐the‐art multicomponent Cs 0.04 Rb (FA 0.65 MA 0.35 ) 0.92 Pb(I 0.85 Br 0.14 Cl 0.01 3 perovskite photodiodes, tested under high‐intensity pulsed 170 keV proton irradiation with fluence up to 10 13 protons cm −2 . The studied photodiodes demonstrate record among reported analogous optoelectronic devices. Specifically, it is shown that 2 × 12 even leads a slight improvement in photodiode parameters....
With a power conversion efficiency (PCE) of more than 25%, perovskite solar cells (PSCs) have shown an immense potential application for energy conversion. Owing to lower manufacturing costs and facile processibility via printing techniques, PSCs can easily be scaled up industrial scale. The device performance printed has been improving steadily with the development optimization process functional layers. Various kinds SnO2 nanoparticle (NP) dispersion solutions including commercial ones are...
Abstract Carbon nanowalls (CNWs) have attracted significant attention for gas sensing applications due to their exceptional material properties such as large specific surface area, electric conductivity, nano- and/or micro-porous structure, and high charge carrier mobility. In this work, CNW films were synthesized used fabricate sensors carbon dioxide (CO 2 ) sensing. The using an inductively-coupled plasma (ICP) plasma-enhanced chemical vapor deposition (PECVD) method structural...
Nano-crystalline and amorphous films of graphitized carbon were deposited by electron-beam evaporation bulk graphite. Structural properties the size graphite nanoclusters (L ≈ 1.2-5 nm) in determined from analysis their Raman spectra. Electrical nano-crystalline reference sample graphitic measured means Hall effect technique within temperature range 290 to 420 K. The electrical conductivity σ mobility μH all samples exhibited exponential dependences, indicating on non-metallic behavior. thin...
Perovskites have already shown potential as active layers in photovoltaic applications. Furthermore, a low-cost and simple solution processing technology allows perovskites to be used flexible printed electronics. Perovskite solar cells (PSC) with back-contact (BC) structure, which the electrode system is based on quasi-interdigitated (QIBC) design, promise increase power conversion efficiency (PCE) of devices beyond those that can obtained using PSCs traditional sandwich structure. While...
Abstract Copper oxide is one of the original semiconductor materials employed for solar cells in early 19th century before Silicon became popular due to their abundant availability, and eco‐friendly nature. The optoelectronic parameters signify its huge potential cell devices, though it's far from theoretically predicted performance, provides tremendous scope improve performance by forming different heterojunctions. In this study, we investigated copper oxide's (CuO) as an active layer...
Perovskite photodetectors (PPDs) may have an exciting commercial impact owing to their excellent device performance and affordability. However, enhance competitiveness in the industry, a few technological aspects of PPDs, such as scalability, robustness, weight, semitransparency, still require further improvement. This work focuses on scalable fabrication PPDs plastic substrates using slot-die coating techniques employing dielectric–metal–dielectric (DMD) transparent top contacts. The DMD...
This study investigates the impact of proton irradiation on perovskite devices fabricated fully through vacuum deposition. Exposure to induces changes in both electrical and optical properties. The analysis reveals that main factors influencing observed performance solar cells are a significant reduction shunt resistance minor increase series resistance, with minimal alterations recombination dynamics. Remarkably, maintain promising photodetector characteristics before after irradiation,...
p-NiO/n-CdTe-photosensitive heterojunctions were prepared by the deposition of nickel oxide thin films onto n-type single-crystal CdTe substrates DC reactive magnetron sputtering. The analysis capacitance-voltage (C−V) characteristics, measured at different frequencies small amplitude AC signal and corrected effect series resistance, provided evidence presence electrically charged interface states, which significantly affect capacitance. dominant current transport mechanisms in determined...
Abstract The conditions for obtaining diode heterostructures of MnS/ n -CdZnTe by the method spray pyrolysis MnS alabandite thin films on crystalline substrates were investigated. Based analysis temperature dependences I-V-characteristics, mechanisms influence electronic processes forward current in film are established. flow at reverse bias revealed. formation energy barrier heterojunction and its parameters states semiconductor interface studied. C-V-characteristics, peculiarities...
Perovskites are a promising class of semiconductor materials, which being studied intensively for their applications in emerging new flexible optoelectronic devices. In this paper, device manufacturing and characterization quasi-interdigitated back-contact perovskite solar cells fabricated on substrates studied. The photovoltaic parameters the prepared (FQIBC PSCs) obtained front- rear-side illumination options. dependences device’s open-circuit potential short-circuit current intensity...
In article number 2203001, Viktor V. Brus and co-workers report on the advanced radiation resistance of high-performance self-powered UV–Vis–NIR (300–800 nm) multi-component hybrid perovskite photodiodes. The devices were exposed to a short impulse 170 keV proton irradiation with fluence up 1013 protons cm−2. Even heavily proton-irradiated photodiodes retain 75% their initial photoelectric characteristics: external quantum efficiency ≥80%, spectral responsivity 0.46 A/W, maximum detectivity...