Hybrid Materials: A Metareview

Chemistry of Materials, Journal Year: 2023, Volume and Issue: 36(1), P. 8 - 27

Published: Dec. 18, 2023

The field of hybrid materials has grown so wildly in the last 30 years that writing a comprehensive review turned into an impossible mission. Yet, need for general view remains, and it would be certainly useful to draw scientific technological map connecting dots very different subfields materials, which could relate essential common characteristics these fascinating while providing overview combinations, synthetic approaches, final applications formulated this field, become whole world. That is why we decided write metareview, is, reviews provide eagle's eye complex varied landscape nevertheless share driving force: power hybridization.

Language: Английский

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Investigation of Structural, Electronic, and Optical Characteristics of a Novel Perovskite Halide, Mg₃AsCl₃, for Electronic Applications

physica status solidi (b), Journal Year: 2024, Volume and Issue: unknown

Published: June 30, 2024

In the present research article, structural, electronic, and optical characteristics of a novel perovskite halide, Mg 3 AsCl , for broad range applications are thoroughly investigated. The investigated via use generalized gradient approximation (GGA), Perdew–Burke–Ernzerhof Heyd–Scuseria–Ernzerhof (HSE06) functionals, which employed in conjunction with linear combination atomic orbital calculator. electrical, material using density‐functional theory. this study electronic characteristics, it is found that exhibits an indirect energy bandgap 2.49 eV GGA 3.54 HSE06. complex band structure indicate presence evanescent waves, characterized by layer separation 5 Å. report presents reflectivity values 0.06328 0.02971 HSE06 respectively. reported extinction coefficient 3.36487 × 10 −5 2.07389 calculated functionals. value real dielectric function Re[ ε ] 2.79625 2.00658 Overall, these findings, overview given holds potential as candidate wide device applications.

Language: Английский

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Achieving Over 28% Efficiency in Inorganic Halide Perovskite Ca3AsI3: Optimization of Electron Transport Layers via DFT, SCAPS-1D, and Machine Learning

Journal of Physics and Chemistry of Solids, Journal Year: 2025, Volume and Issue: unknown, P. 112622 - 112622

Published: Feb. 1, 2025

Language: Английский

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Computational study of stability, photovoltaic, and thermoelectric properties of new inorganic lead-free halide perovskites

EPL (Europhysics Letters), Journal Year: 2024, Volume and Issue: 146(1), P. 16005 - 16005

Published: Feb. 23, 2024

Abstract Due to their rich and extraordinary properties, halide perovskites have gained attention over time for applications in thermoelectric solar cells. Here, several physical properties (stability, photovoltaic, thermoelectric) of inorganic XZnI 3 (X = Na, K, Rb, Cs) are predicted using the density functional theory (DFT) within Wien2k code. The optimization structural parameters has been calculated PBE-GGA approach. tolerance factor, Born criteria, phonon dispersion, negative formation energy show stability these studied materials ideal cubic structure. Additionally, modified Becke-Johnson method is applied optoelectronic transport properties. All compounds exhibit nature indirect band gap semiconductors with better absorption visible ultraviolet regions 10^{5} \textrm {cm}^{-1})$ ?> . present high electrical conductivity, large Seebeck coefficient, good ( PF , ZT ) factors all materials. Finally, open up new possibilities efficient

Language: Английский

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Unraveling Degradation Processes and Strategies for Enhancing Reliability in Organic Light-Emitting Diodes

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(23), P. 3020 - 3020

Published: Nov. 25, 2023

Organic light-emitting diodes (OLEDs) have emerged as a promising technology for various applications owing to their advantages, including low-cost fabrication, flexibility, and compatibility. However, limited lifetime hinders the practical application of OLEDs in electronic devices. are prone degradation effects during operation, resulting decrease device performance. This review article aims provide an exciting overview OLED effects, highlighting mechanisms. Subsequently, in-depth exploration mechanisms failure modes is presented. Internal external processes degradation, well reactions impacts some compounds on performance, then elucidated. To overcome challenges, emphasizes importance utilizing state-of-the-art analytical techniques role these enhancing performance reliability OLEDs. Furthermore, addresses critical challenges stability, which crucial commercialization study also explores strategies improve OLEDs’ such using barrier layers encapsulation techniques. Overall, this contribute advancement its successful integration into diverse applications.

Language: Английский

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Green and cost-effective morter grinding synthesis of bismuth-doped halide perovskites as efficient absorber materials

Journal of Materials Science Materials in Electronics, Journal Year: 2023, Volume and Issue: 34(3)

Published: Jan. 1, 2023

Abstract Due to the instability and toxicity issues of lead/tin-based halide perovskites, lead-free metal perovskites have emerged as an attractive lead replacement for several semiconductor applications. Here, we present a bismuth (Bi)-based perovskite structure low-toxic potentially substitutable alternative lead-based solar cells. The synthesis optical performance MAPbI 3 , MA Bi 2 I 9 Cl x (MAPbI :BiCl ) with ratios (of 10, 30, 50, 70)% low are prepared. grinding technique is used green chemistry method compared typical reaction scaling up production. phase identification, crystallinity, thermal stability, optoelectronic properties, nanoscale composition comprised. results showed that prepared samples enhanced in visible absorption region aligned well previous literature. Besides, bandgap energy mixed-structured perovskite, at molar ratio 10%, was reduced 1.52 eV 1.55 1.80 respectively. At room temperature, emitted intense photoluminescence 680–700 nm region. Our findings demonstrate processability aiding development high-performance toxic by assisting refinement materials processing methods.

Language: Английский

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Semi-Opaque Perovskite Solar Cells

The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: unknown, P. 9894 - 9904

Published: Sept. 20, 2024

Transparent photovoltaics are garnering significant interest for power generation in applications where light transmission is required. Metal halide perovskites have emerged as one of the most lucrative material classes such device architectures due to their exceptional optoelectronic properties, and compositional versatility enabling a wide range transparency levels. While research has primarily focused on semitransparent solar cell architectures, colored appearance, efficiency limitations hinder practical applicability. In this perspective, we look at semiopaque perovskite cells an alternative technological approach that comprises partially covered surfaces enable transmission. Our comparative analysis reveals devices potential superior efficiencies while maintaining color-neutral appearance. These benefits met with number hurdles, which provide key areas future innovation see realization real world applications.

Language: Английский

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Sub-100-picosecond time resolution from undoped and Li-doped two-dimensional perovskite scintillators

Applied Physics Letters, Journal Year: 2022, Volume and Issue: 120(24)

Published: June 13, 2022

Fast hybrid organic–inorganic two-dimensional (2D) perovskite scintillators with high light yield are measured for their scintillating properties. With a of 17 300 ± 2140 photons/MeV, undoped PEA2PbBr4 crystals already exhibit 100 4 ps coincidence time resolution (CTR) at 511 keV excitation. However, Li-doped have improved the to 21 400 photons/MeV and showed sub-100 CTR. Such CTR values low-cost manufacturing processes make these 2D as promising competitors commercial lanthanide in time-of-flight positron emission tomography fast timing detectors.

Language: Английский

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Machine Learning-Driven SCAPS Modeling for Optimizing CH₃NH₃SnBr₃ Perovskite Solar Cells: Analytical Insights into Materials for Hole Transport and the Active Layer

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

This work explores the potential for integrating organic compounds, which serve as absorbers, with HTL to achieve steady, efficient PSCs. study's proposed architecture is made up of ETL, HTL, and a CH3NH3SnBr3 absorber. The effect thickness, doping, defect densities absorber, ETL layers interface on solar device's output investigated utilizing SCAPS-1D model. FTO/SnS2/CH3NH3SnBr3/Ni structure has VOC 0.991 V, JSC 28.796 mA cm-2, PCE 23.88%, an FF 83.69%. Concerns about stability, rapid oxidation Sn2+ Sn4+, high density limit efficiency CH3NH3SnBr3-based cells. FTO/SnS2/CH3NH3SnBr3/HTL/Ni prevent Sn oxidation, increase improve charge transport improved performance. analyzed integrated BiI3/SnS/WSe2/PTAA/CuS/CuI/C6TBTAPH2/CBTS resulting in maximum 1.128 34.014 33.70%, 87.83% FTO/SnS2/CH3NH3SnBr3/CBTS/Ni structure. performance matrix best optimum cell was predicted by ML accuracy rate roughly 83.75%. useful design important discoveries could result creation inexpensive thin-film cell.

Language: Английский

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Photocatalytic Properties of ZnO:Al/MAPbI3/Fe2O3 Heterostructure: First-Principles Calculations

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(5), P. 4856 - 4856

Published: March 2, 2023

We report on theoretical investigations of a methylammonium lead halide perovskite system loaded with iron oxide and aluminum zinc (ZnO:Al/MAPbI3/Fe2O3) as potential photocatalyst. When excited visible light, this heterostructure is demonstrated to achieve high hydrogen production yield via z-scheme photocatalysis mechanism. The Fe2O3: MAPbI3 heterojunction plays the role an electron donor, favoring evolution reaction (HER), ZnO:Al compound acts shield against ions, preventing surface degradation during reaction, hence improving charge transfer in electrolyte. Moreover, our findings indicate that ZnO:Al/MAPbI3 effectively enhances electrons/holes separation reduces their recombination, which drastically improves photocatalytic activity. Based calculations, yields rate, estimated be 265.05 μmol/g 362.99 μmol/g, respectively, for neutral pH acidic 5. These values are very promising provide interesting inputs development stable perovskites known superlative properties.

Language: Английский

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