Long-term stability in perovskite solar cells through atomic layer deposition of tin oxide

Science, Journal Year: 2024, Volume and Issue: 386(6718), P. 187 - 192

Published: Oct. 10, 2024

Robust contact schemes that boost stability and simplify the production process are needed for perovskite solar cells (PSCs). We codeposited hole-selective while protecting to enable deposition of SnO x /Ag without use a fullerene. The , prepared through atomic layer deposition, serves as durable inorganic electron transport layer. Tailoring oxygen vacancy defects in led power conversion efficiencies (PCEs) >25%. Our devices exhibit superior over conventional p-i-n PSCs, successfully meeting several benchmark tests. They retained >95% PCE after 2000 hours continuous operation at their maximum point under simulated AM1.5 illumination 65°C. Additionally, they boast certified T 97 lifetime exceeding 1000 hours.

Language: Английский

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Materials and methods for cost-effective fabrication of perovskite photovoltaic devices

Communications Materials, Journal Year: 2024, Volume and Issue: 5(1)

Published: Sept. 18, 2024

Language: Английский

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Advancements in Perovskites for Solar Cell Commercialization: A Review

Advanced Powder Materials, Journal Year: 2025, Volume and Issue: unknown, P. 100275 - 100275

Published: Feb. 1, 2025

Language: Английский

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Non‐Fullerene Organic Electron Transport Materials toward Stable and Efficient Inverted Perovskite Photovoltaics

Small, Journal Year: 2024, Volume and Issue: 20(43)

Published: June 26, 2024

Inverted perovskite solar cells (PSCs) attract continuing interest due to their low processing temperature, suppressed hysteresis, and compatibility with tandem cells. Considerable progress has been made reported power conversion efficiency (PCE) surpassing 26%. Electron transport Materials (ETMs) play a critical role in achieving high-performance PSCs because they not only govern electron extraction from the layer cathode, but also protect contact ambient environment. On other hand, non-radiative recombination losses at perovskite/ETM interface limits future development of PSCs. Compared fullerene derivatives, non-fullerene n-type organic semiconductors feature advantages like molecular structure diversity, adjustable energy level, easy modification. Herein, ETM is systematically summarized based on functionalization strategy. Various types design approaches for producing are presented, insight relationship chemical device performance discussed. Meantime, trend analyzed. It hoped that this review provides insightful perspective innovation new ETMs toward more efficient stable

Language: Английский

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Comprehensive Numerical Simulation and Optimization of Lead-free Graded 2D-3D Perovskite Solar Cells

Solar Energy, Journal Year: 2025, Volume and Issue: 287, P. 113204 - 113204

Published: Jan. 2, 2025

Language: Английский

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Insights to Adhesion Evaluation in Perovskite Photovoltaics

Published: Jan. 1, 2025

Language: Английский

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Resolving Scaling Issues in Self‐Assembled Monolayer‐Based Perovskite Solar Modules via Additive Engineering

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract Molecular self‐assembled monolayers (SAMs), anchored on a transparent conductive oxide, serve as class of effective hole‐selective contacts in high‐performance lab‐scale perovskite solar cells (PSCs). However, scaling these SAM‐based PSCs to large‐area modules introduces challenges, such the de‐wetting ink glass around P1 scribe zones—a part module design – which compromises film uniformity and reproducibility. To overcome coverage anomalies, study incorporates 1,3‐dimethyl‐3,4,5,6‐tetrahydro‐2(1H)‐pyrimidinone (DMPU) into SAM solution, enhancing interaction between improving wettability. The approach leads fabrication wide‐bandgap (1.67 eV) with power conversion efficiencies (PCEs) up 22.4% for small‐area devices (0.057 cm 2 ) 20% mini‐modules (9.8 high Additionally, target demonstrate enhanced photostability, maintaining 80% their initial PCE after 490 hours maximum point tracking under continuous 1‐sun illumination. This identifies key challenges presents promising strategy fabricating scalable modules.

Language: Английский

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Reconstruction of Electron-Selective Interface via Multifunctional Chemical Bridging Enables High-Performance Rigid and Flexible Perovskite Solar Cells

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(11), P. 5679 - 5687

Published: Oct. 31, 2024

Interface engineering has significantly boosted perovskite solar cell efficiency and stability. However, numerous approaches focus on addressing defects at the interfaces between transport layers while neglecting potential issues within bulk material. Here, a multifunctional molecule, sodium lignosulfonate (SL), containing three types of functional groups, was introduced as chemical bridge perovskite/SnO2 interface. The SL bridges promote energy level alignment interface regulate crystallization process. Meanwhile, coordinated interactions components with −OH −SO3– groups SL, coupled Na+ diffusion, effectively passivate buried bulk. As result, champion SnO2–SL based n-i-p PSC achieved power conversion efficiencies 25.73% 25.13% rigid flexible substrates, respectively. Unencapsulated devices maintained 92.9% their initial after 2,550 h maximum point-tracking under 1-sun illumination in an inert atmosphere.

Language: Английский

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Perspectives on various-temperature stability of p-i-n perovskite solar cells

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(1)

Published: Jan. 2, 2025

Despite the significant breakthroughs in photoelectric conversion efficiency achieved by perovskite solar cells, their temperature stability remains a bottleneck to commercialization. Temperature fluctuations typically lead structural changes and phase transformations perovskites. Additionally, thermal stress can facilitate ion migration within material, resulting interface charge accumulation electrode corrosion, which ultimately undermines performance of devices. This brief perspective systematically discusses mechanisms behind device degradation under cycling conditions presents potential improvement strategies address these issues. Finally, we elaborate on future challenges that must be overcome for successful commercialization

Language: Английский

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Supramolecular force-driven non-fullerene acceptors as an electron-transporting layer for efficient inverted perovskite solar cells

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Feb. 14, 2025

Fullerene derivatives are widely employed as efficient electron-transporting layers (ETLs) in p-i-n perovskite photovoltaics but face challenges mitigating interfacial recombination losses and ensuring stable film morphology. Non-fullerene acceptors (NFAs), commonly utilized organic photovoltaics, present a promising alternative to fullerene-based ETLs. Nevertheless, the suboptimal performance of NFA-based devices underscores need for molecular engineering tailor their properties. Herein, we develop two Y-type NFAs, Y-Phen Y-CE, by substituting benzothiadiazole core Y6 with higher-polarity phenanthroline crown ether. These modifications effectively enhance carrier kinetics (1) promoting ordered assembly on surface through supramolecular interactions, thereby optimizing energetic alignment, (2) improving packing facilitate charge transport. Using Y-CE ETL, device achieves certified power conversion efficiency (PCE) 25.59%. Furthermore, optimized exhibits less than 10% degradation PCE after 1440 hours thermal aging. This work offers valuable insights into designing ETLs high-performance photovoltaics. The solar cells based non-fullerene acceptor layer engineering. Here, authors substitute ether, achieving

Language: Английский

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