Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 490, P. 151574 - 151574
Published: April 23, 2024
Language: Английский
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 490, P. 151574 - 151574
Published: April 23, 2024
Language: Английский
Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(4), P. 1769 - 1788
Published: Jan. 1, 2024
Leveraging the dimensionality-modulation method to further boost device efficiency and stability is future roadmap for development of lead-free perovskite solar cells.
Language: Английский
Citations
34Materials Futures, Journal Year: 2024, Volume and Issue: 3(2), P. 022102 - 022102
Published: April 24, 2024
Abstract Perovskite (PVK) solar cells (PSCs) have garnered considerable research interest owing to their cost-effectiveness and high efficiency. A systematic annual review of the on PSCs is essential for gaining a comprehensive understanding current trends. Herein, analysis papers reporting key findings in 2023 was conducted. Based results, were categorized into six classifications, including regular n–i–p PSCs, inverted p–i–n PVK-based tandem cells, PVK modules, device stability, lead toxicity green solvents. Subsequently, detailed overview summary advancements within each classification presented. Overall, this serves as valuable resource guiding future endeavors field PSCs.
Language: Английский
Citations
22Chemical Communications, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
The interfaces between the perovskite and charge-transporting layers typically exhibit high defect concentrations, which are primary cause of open-circuit voltage loss.
Language: Английский
Citations
20Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(2)
Published: Jan. 13, 2025
The crystallographic orientation of perovskite crystals significantly influences their photoelectric performance and associated photovoltaic devices. classic (MAPbI3) films based on solution processing usually suffer from chaotic orientations. impact preferential MAPbI3 thin the carrier transport is still far being well understood. In comparison with (011) (111) facets, our density functional theory results revealed that hole in (001) facet exhibits superior properties. Herein, highly oriented FAPbI3 could serve as growth templates promote (002) orientations perovskite. Furthermore, p-type doping was obtained by controlling amount MAI. (002)-dominated characteristics exceptional properties, thereby enhancing device performance.
Language: Английский
Citations
16ACS Nano, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 23, 2025
Perovskite solar cells (PSCs) have emerged as low-cost photovoltaic representatives. Constructing three-dimensional (3D)/two-dimensional (2D) perovskite heterostructures has been shown to effectively enhance the efficiency and stability of PSCs. However, further enhancement device performance is still largely limited by inferior conductivity 2D capping layer its mismatched energy level with 3D layer. Here, we developed an effective surface modification strategy via synergically incorporating inorganic high valence-state niobium ion (Nb5+) metal dopants organic ammonium halide salts in situ construct a high-quality on top underlying As result, was enhanced 43%, barrier between layers favorably reduced, built-in electric field 3D/2D heterostructured stacks enlarged. In addition, also reduced defect densities up 29%, verified space-charge-limited-current (SCLC) tests. Benefiting from facilitated charge extraction suppressed non-radiative recombination, blade-coated hole transport layer-free PSCs based this optimized film achieved 23.2%, ∼19% higher than that control (19.5%), which represented one best-performing simplified architecture fabricated scalable fabrication technique. The modified perovskite-based exhibited improved operational stability.
Language: Английский
Citations
3Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(38)
Published: Aug. 4, 2023
The 2D/3D perovskite heterostructures have been widely investigated to enhance the efficiency and stability of solar cells (PSCs). However, rational manipulation phase distribution energy level alignment in such hybrids are still great challenge. Herein, we successfully achieved spontaneous by concurrently introducing both 2D component organic halide additive. graded perovskites with different n values 3D induced favorable band across film boosted charge transfer at relevant heterointerfaces. Moreover, also acted as a "band-aid" simultaneously passivate defects release residual tensile stress films. Encouragingly, blade-coated PSCs based on only ≈2 s in-situ fast annealed films funnels toughened heterointerfaces promising efficiencies 22.5 %, accompanied extended lifespan. To our knowledge, this is highest reported for fabricated energy-saved thermal treatment just within few seconds, which outperformed those state-of-the-art annealing-free analogues. Such two-second-in-situ-annealing technique could save cost up 99.6 % during device fabrication, will grant its low-coast implementation.
Language: Английский
Citations
36Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(25)
Published: April 10, 2024
Abstract The utilization of wide bandgap (WBG) tin halide perovskites (Sn‐HPs) offers an environmentally friendly alternative for multi‐junction Sn‐HP photovoltaics. Nonetheless, rapid crystallization leads to suboptimal film morphology and substantial creation defect states, which undermine device efficiency. This study introduces 4‐Phenylthiosemicarbazide (4PTSC) as additive achieve a densely packed with fewer imperfections. strong chemical coordination between SnI 2 the functional groups S═C─N (Sn···S═C─N), NH , phenyl conjugation enhances solution stability supports delay perovskite through adduct formation. process yields pinhole‐free films preferred grain growth. 4PTSC acts complex reducing agent passivate uncoordinated Sn 2+ ions reduce formation 4 thereby π‐conjugated ring in facilitates crystal growth orientation grains. Furthermore, hydrophobic nature mitigates oxidation by repelling moisture, enhancing stability. open circuit voltage significantly increased from 0.78 0.94 V, resulting achieving champion efficiency 12.22% (certified 11.70%), surpassing all previously reported efficiencies WBG solar cells. Additionally, unencapsulated 4PTSC‐1.0 maintained outstanding over 1200 h under ambient atmospheric conditions.
Language: Английский
Citations
15Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: June 25, 2024
Abstract Perovskite solar cells (PSCs) are exuding unique charm in the third generation of thin film cell technology with high power conversion efficiency (PCE) and low production cost. Recently, lead‐free tin halide perovskite (TPSCs) have drawn significant research interests due to advantages toxicity, near‐ideal bandgap carrier mobility. However, rapid crystallization easy oxidation limits quality final performance cells. Therefore, deposition high‐quality films is key advance TPSCs. In this review, classical theory solution nucleation crystal growth reviewed correlated practical film. The physicochemical properties those lead counterpart differences process carefully compared. On basis, recent regulation strategies systematically summarized terms management, intermediate phase engineering regulation. addition, preparation mixed tin‐lead (Sn‐Pb) PSCs toward also discussed, as well limiting factors for device stability. Finally, future challenges prospects discussed more efficient stable
Language: Английский
Citations
13Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(10)
Published: Jan. 17, 2024
Abstract Tin‐based perovskite solar cells (TPSCs) have attracted significant research interest due to their exceptional optoelectronic properties and environmentally friendly characteristics. However, TPSCs with ideal bandgap suffer from substantial current losses, necessitating the development of innovative interface engineering strategies enhance device performance. In this study, an unprecedented approach constructing charge transfer path is presented by a simple post‐growth treatment 3‐Aminomethylbenzo[b]thiophene (3‐AMBTh) on film. The selective reaction 3‐AMBTh exposed FA+ surface suppresses formation iodine vacancy defects, leading reduction in trap density. Additionally, residual aromatic rings form effective π–π stacking interaction system subsequently deposited ICBA, facilitating enhanced at interface. By harnessing potential path, exhibit remarkable efficiency up 14.53%, positioning them among top‐performing reported date.
Language: Английский
Citations
11Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(20)
Published: March 12, 2024
Abstract Tin‐based perovskite solar cells (TPSCs) have received increasing attention due to their low toxicity, high theoretical efficiency, and potential applications as wearable devices. However, the inherent fast uncontrollable crystallization process of tin‐based perovskites results in defect density film. Meanwhile, when fabricated into flexible devices, prepared film exhibits inevitable brittleness Young's modulus, seriously weakening mechanical stability. In this work, we design synthesize a cross‐linkable fullerene, thioctic acid functionalized C 60 fulleropyrrolidinium iodide (FTAI), which has multiple interactions with components can finely regulate quality The obtained shows an increased grain size more matched energy level electron transport material, effectively improving carrier extraction efficiency. FTAI‐based rigid device achieves champion efficiency 14.91 % enhanced More importantly, FTAI located at boundaries could spontaneously cross‐link during annealing process, improves conductivity elasticity boundaries, thereby giving excellent bending resistance. Finally, yields record 12.35 displays robust durability, retaining about 90 initial after 10,000 times.
Language: Английский
Citations
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