Published: Jan. 1, 2025
Language: Английский
Published: Jan. 1, 2025
Language: Английский
Next Nanotechnology, Journal Year: 2024, Volume and Issue: 7, P. 100102 - 100102
Published: Sept. 11, 2024
Language: Английский
Citations
23Energy Reports, Journal Year: 2025, Volume and Issue: 13, P. 1400 - 1415
Published: Jan. 16, 2025
Language: Английский
Citations
5Materials Science for Energy Technologies, Journal Year: 2023, Volume and Issue: 7, P. 61 - 72
Published: July 18, 2023
Using first-principles calculations, in this piece of work, authors have investigated the physical properties Ra2LaNbO6 double perovskite by employing linearized augmented plane wave (LAPW) method. Structural and electronic are determined using LDA, GGA (WC PBE), LDA + mBJ, mBJ potentials. We found that is an indirect band gap (Eg = 2.4 eV) semiconductor. Its elastic thermodynamic parameters demonstrate its stability. optical study indicates material opens door to applications devices such as photodetectors, solar cells, superlenses, fibers, filters, electromagnetic shielding devices, photovoltaic etc. This very good for practical implementation thermoelectric both p- n-type extends interest experimentalists further investigations. Thus, thermodynamically stable identified a potential candidate devices.
Language: Английский
Citations
28Solar RRL, Journal Year: 2024, Volume and Issue: 8(5)
Published: Jan. 12, 2024
Remarkable achievements have been made in the development of perovskite solar cells (PSCs) with a rapidly boosting rate power conversion efficiencies (PCEs) from 3.8% to 26.1%. Nevertheless, toxicity lead (Pb) elements and hygroscopicity organic cations high‐efficiency PSCs severely hamper commercialization this technology. Consequently, Pb‐free all‐inorganic received increasing attention recently resolve above‐mentioned instability problems. Among various halide perovskites, cesium bismuth iodide (CBI)‐based perovskites gained particular as light absorbers due tunable/small bandgaps, long carrier diffusion length/lifetime, superb sunlight absorption coefficients. PCEs CBI‐based are still far away Pb‐based organic–inorganic counterparts because low structural dimensions inferior film quality. Herein, recent advances light‐absorbing materials reviewed by emphasizing distinct structural/optical/electronic properties currently existing limitations. Additionally, several strategies boost robusticity presented. Finally, unsolved key problems future directions proposed, aiming provide important insights for further realize sustainable, nontoxic, high‐performance photovoltaics.
Language: Английский
Citations
17Materials Science and Engineering B, Journal Year: 2024, Volume and Issue: 308, P. 117606 - 117606
Published: Aug. 2, 2024
Language: Английский
Citations
12Micromachines, Journal Year: 2024, Volume and Issue: 15(4), P. 529 - 529
Published: April 15, 2024
Due to their exceptional optoelectronic properties, halide perovskites have emerged as prominent materials for the light-absorbing layer in various devices. However, increase device performance wider adoption, it is essential find innovative solutions. One promising solution incorporating carbon nanotubes (CNTs), which shown remarkable versatility and efficacy. In these devices, CNTs serve multiple functions, including providing conducting substrates electrodes improving charge extraction transport. The next iteration of photovoltaic metal perovskite solar cells (PSCs), holds immense promise. Despite significant progress, achieving optimal efficiency, stability, affordability simultaneously remains a challenge, overcoming obstacles requires development novel known CNTs, which, owing electrical, optical, mechanical garnered considerable attention potential highly efficient PSCs. Incorporating into offers versatility, enabling improvements longevity while catering diverse applications. This article provides an in-depth exploration recent advancements nanotube technology its integration cells, serving transparent conductive electrodes, transporters, interlayers, hole-transporting materials, back electrodes. Additionally, we highlighted key challenges offered insights future enhancements leveraging CNTs.
Language: Английский
Citations
10ACS Applied Electronic Materials, Journal Year: 2024, Volume and Issue: 6(1), P. 587 - 598
Published: Jan. 10, 2024
The limitations of Moore's law and the von Neumann bottleneck have sparked an increasing interest in advanced intelligent systems, such as memristors neuromorphic devices. This work unveils role slow ion migration for resistive switching (RS) exceptional environmental mechanical resilience achieved with butane-1,4-diammonium (BDA)-based BDAPbI4 memristors, meticulously fabricated measured ambient conditions. These demonstrate durability consistent characteristics up to 60 days a slight decay ON/OFF ratio on 140th day. Devices show potential flexible random-access memories low operating voltage ∼100 mV strong data retention endurance 35 h ∼1000 cycles, respectively. RS these devices is attributed energy barrier modulation at perovskite/Ag interface perovskite film. Furthermore, initial investigations into their synaptic reveal stable learning behavior (potentiation depression) invariant paired pulse facilitation (PPF), tested flat 5 mm bending radii. Additionally, application spike time-dependent plasticity (STDP) Hebbian rule effectively demonstrates feasibility computing applications. particularly promising use extreme conditions, electronic skins, extends beyond traditional storage solutions.
Language: Английский
Citations
9Neural Computing and Applications, Journal Year: 2024, Volume and Issue: 36(26), P. 16319 - 16329
Published: May 25, 2024
Language: Английский
Citations
8Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: July 1, 2024
Abstract Perovskite solar cells (PSCs) have witnessed a meteoric rise in device performance. However, maintaining photostability, particularly under thermal stress, remains challenge due to defect formation the perovskite layer. This study introduces europium (III) trifluoromethanesulfonate [Eu(OTF) 3 ] as multifunctional additive two‐step processed films, significantly improving performance and high‐temperature photostability of n‐i‐p PSCs. Density function theory (DFT) calculations reveal that OTF − anion strongly coordinates with Pb 2+ , effectively inhibiting iodine vacancy formation. The addition Eu(OTF) promotes grain growth ≈2 µm enhances film crystallinity. PSCs structure ITO/SnO 2 /perovskite/PDCBT/NiO x /Au achieve champion power conversion efficiency (PCE) 23.8%. Under 85 ± 5 °C 1 sun illumination at an open circuit ambient air, retain 82% their initial PCE after aging for 1500 h.
Language: Английский
Citations
8Next Materials, Journal Year: 2025, Volume and Issue: 7, P. 100494 - 100494
Published: Feb. 3, 2025
Language: Английский
Citations
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