Perovskite solar cells with high-efficiency exceeding 25%: A review

Energy Materials and Devices, Journal Year: 2024, Volume and Issue: 2(1), P. 9370018 - 9370018

Published: Feb. 2, 2024

Metal halide perovskite solar cells (PSCs) are one of the most promising photovoltaic devices. Over time, many strategies have been adopted to improve PSC efficiency, and certified efficiency has reached 26.1%. However, only a few research groups fabricated PSCs with an >25%, indicating that achieving this remains uncommon. To develop industry, outstanding talent must be reserved latest technologies. Herein, we summarize recent developments in high-efficiency (>25%) highlight their effective crystal regulation, interface passivation, component layer structural design. Finally, propose perspectives based on current further enhance promote commercialization process PSCs.

Language: Английский

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Buried Interface Modulation Using Self‐Assembled Monolayer and Ionic Liquid Hybrids for High‐Performance Perovskite and Perovskite/CuInGaSe₂ Tandem Photovoltaics

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Effective modifications for the buried interface between self-assembled monolayers (SAMs) and perovskites are vital development of efficient, stable inverted perovskite solar cells (PSCs) their tandem photovoltaics. Herein, an ionic-liquid-SAM hybrid strategy is developed to synergistically optimize uniformity SAMs crystallization above. Specifically, ionic liquid 1-butyl-3-methyl-1H-imidazol-3-iumbis((trifluoromethyl)sulfonyl)amide (BMIMTFSI) incorporated into SAM solution, enabling reduced surface roughness, improved wettability, a more evenly distributed potential film. Leveraging this optimized substrate, favorable growth high-quality crystals achieved. Furthermore, introduced functional ions readily bond with perovskites, effectively passivating undesirable cation or halide vacancies near interface. Remarkably, high power conversion efficiencies (PCEs) 25.68% 22.53% obtained normal-bandgap (≈1.55 eV) wide-bandgap (WBG) (≈1.66 PSCs along operational stability. Additionally, champion PCE 19.50% achieved semitransparent WBG PSCs, further delivering impressive 28.34% integrated four-terminal photovoltaics when combined CuInGaSe2 cells.

Language: Английский

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Melamine holding PbI₂ with three “arms”: an effective chelation strategy to control the lead iodide to perovskite conversion for inverted perovskite solar cells

Energy & Environmental Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Herein, we have proposed a novel tridentate chelation strategy to manage the excessive amount of unreacted PbI 2 in perovskite films, achieving inverted PSC device with PCE 25.66% by sequential deposition method.

Language: Английский

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Lewis Base Strategy for Crystallization Control and Buried Interface Passivation on Hydrophobic PTAA Substrate for Efficient Tin–Lead Perovskite and All-Perovskite Tandem Solar Cells

ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 1117 - 1128

Published: Feb. 7, 2025

Language: Английский

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Multi‐Functional PEDOT:PSS as the Efficient Perovskite Solar Cells

Small, Journal Year: 2024, Volume and Issue: unknown

Published: May 25, 2024

Abstract Poly(3,4‐ethylenedioxythiophene) (PEDOT), particularly in its complex form with poly(styrene sulfonate) (PEDOT:PSS), stands out as a prominent example of an organic conductor. Renowned for exceptional conductivity, substantial light transmissibility, water processability, and remarkable flexibility, PEDOT:PSS has earned reputation leading conductive polymer. This study explores the unique effects two additives, Bisphenol A diglycidyl ether (DGEBA) Dimethyl sulfoxide (DMSO), on PSS component films are shown. Both additives induce grain size growth, while DGEBA makes layer hydrophobic, which acts passivation to protect perovskite layer, is vulnerable moisture. The other additive, DMSO, separates groups, resulting increased conductivity through free movement holes. With these multi‐modified p ‐type PEDOT:PSS, ITO/M‐PEDOT:PSS/Perovskite/PCBM/Ag structured reverse structure solar cell improved power conversion efficiency (PCE) from 15.28% 17.80% compared control conventional PEDOT:PSS. It also maintains 90% 500 h at 60 °C 300 1 sun illuminating conditions.

Language: Английский

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Tailored Multisite Rigid Conjugated Molecules to Anchor Perovskite for Comprehensive Management of Perovskite Crystallization and Defects

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract engineering has emerged as a promising approach to improve the stability and power conversion efficiency of perovskite solar cells (PSCs) by regulating crystallization or defects. Conventional methods typically focus on single functional group, leading deficiency in simultaneously addressing above mentioned two aspects. Here, an innovative using (methylsulfonyl)phenyl)prop‐2‐en‐1‐amine hydroiodide (MSPPAI) is presented concurrently effectively modulate defect passivation. The unique structure MSPPAI, combining rigid conjugated with multisite anchoring groups (─NH 2 ─SO ─), enables precise regulation through strong interaction components. This promotes preferred (100) orientation crystals, enhances grain size, thus improves film quality. Meanwhile, approximate coplanarity further facilitate ordered directional growth. Furthermore, preventing volatile loss coordinating residual Pb 2+ , MSPPAI could stabilize boundaries surfaces reduce defects prevent degradation. Utilizing these mechanisms, corresponding based devices achieves 25.54% exhibits excellent that maintains 93% its initial even after 1600 h under humid conditions. molecular design strategy presents novel for improving PSCs.

Language: Английский

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Surface Template Realizing Oriented Perovskites for Highly Efficient Solar Cells

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 26, 2025

Abstract Formamidinium lead iodide (FAPbI 3 ) perovskite films, ensuring optically active phase purity with uniform crystal orientation, are ideal for photovoltaic applications. However, the α‐FAPbI is easy to degrade into δ‐phase due numerous defects within randomly oriented films. Here, a “quasi‐2D” template pre‐deposited on film surface crystallization process based two‐step preparation technology, which directly induced pure and highly orientated of across downward growth process. Furthermore, enlarged interaction between 2D components colloidal properties delayed effectively, yielding high crystallinity low trap state density. The resulting devices exhibited champion efficiency as 25.79% comprehensively improved device stability. This work provides new insights utilization formation mechanism behind perovskites.

Language: Английский

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Chelating Dual Interface for Efficient and Stable Crystal Growth and Iodine Defect Management in Sn–Pb Perovskite Solar Cells

ACS Nano, Journal Year: 2024, Volume and Issue: 18(26), P. 16867 - 16877

Published: June 19, 2024

Suppressing Sn2+ oxidation and rationally controlling the crystallization process of tin-lead perovskite (Sn-Pb PVK) films by suitable bonding methods have emerged as key approaches to achieving efficient stable Sn-Pb solar cells (PSCs). Herein, chelating coordination is performed at top bottom interfaces PVK films. The chelation strength stronger toward than Pb2+ introducing oligomeric proanthocyanidins (OPC) interface. This difference in resulted a spontaneous gradient distribution Sn/Pb within layer during crystallization, particularly enhancing enrichment interface facilitating extraction separation photogenerated charge carriers PSCs. Simultaneously, this top-down gradually increasing Sn content slowed down rate films, forming higher-quality On PVK, trifluoroacetamidine (TFA) was used inhibit generation iodine vacancies (VI) through with surface-uncoordinated Pb2+/Sn2+, further passivating defects while suppressing Sn2+. Ultimately, PSCs simultaneous both achieved power conversion efficiency (PCE) 23.31% an open-circuit voltage (VOC) exceeding 0.90 V. stability unencapsulated target devices different environments also improved.

Language: Английский

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Application of Advanced Quantum Dots in Perovskite Solar Cells: Synthesis, Characterization, Mechanism, and Performance Enhancement

Materials Horizons, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Quantum dots have garnered significant interest in perovskite solar cells (PSCs) due to their stable chemical properties, high carrier mobility, and unique features such as multiple exciton generation excellent optoelectronic characteristics resulting from quantum confinement effects. This review explores dot properties applications photoelectronic devices, including synthesis deposition processes. sets the stage for discussing diverse roles transport, absorber, interfacial layers of PSCs. We thoroughly examine advances defect passivation, energy band alignment, crystallinity, device stability, broader light absorption. In particular, novel approaches enhance photoelectric conversion efficiency (PCE) dot-enhanced are highlighted. Lastly, based on a comprehensive overview, we provide forward-looking outlook advanced fabrication its impact enhancing photovoltaic performance cells. offers insights into fundamental mechanisms that endorse improved PSC performance, paving way further development dot-integrated

Language: Английский

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Stress Relaxation for Lead Iodide Nucleation in Efficient Perovskite Solar Cells

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Abstract Porous lead iodide (PbI 2 ) film is crucial for the complete reaction between PbI and ammonium salts in sequential‐deposition technology so as to achieve high crystallinity perovskite film. Herein, it found that tensile stress tin (IV) oxide (SnO electron transport layer (ETL) a key factor influencing morphology crystallization of films. Focusing on this, lithium trifluoromethanesulfonate (LiOTf) used an interfacial modifier SnO /PbI interface decrease reduce necessary critical Gibbs free energy nuclei formation. The relaxed facilitates more porous generation with larger particles higher roughness, resulting superior‐quality Besides, this strategy effectively passivates inherent traps smooths levels, boosting charge extraction transfer. As result, champion power conversion efficiency (PCE) 25.33% (25.10% stabilized 600 s) achieved. Furthermore, device demonstrates exceptional stability, retaining 90% its initial PCE at maximum point tracking measurement (under 100 mW cm −2 white light illumination ≈55 °C temperature, N atmosphere) after h.

Language: Английский

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