Methods for Passivating Defects of Perovskite for Inverted Perovskite Solar Cells and Modules

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(35)

Published: June 27, 2024

Abstract Inverted perovskite solar cells (PSCs) have attracted considerable attention due to their distinct advantages, including minimal hysteresis, cost‐effectiveness, and suitability for tandem applications. Nevertheless, the solution processing low formation energy of perovskites inevitably lead numerous defects formed at both bulk interfaces layer. These can act as non‐radiative recombination centers, significantly impeding carrier transport posing a substantial obstacle stability further enhancing power conversion efficiency (PCE). This review delves into detailed discussion nature origin characterization techniques employed defect identification. Furthermore, it systematically summarizes methods detection approaches passivating interface within film in inverted PSCs. Finally, this offers perspective on employing upscaling passivation engineering modules. It is hoped provides insights PSCs

Language: Английский

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Bilayer interface engineering through 2D/3D perovskite and surface dipole for inverted perovskite solar modules

eScience, Journal Year: 2024, Volume and Issue: unknown, P. 100308 - 100308

Published: Sept. 1, 2024

Language: Английский

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Dual functionality of charge extraction and interface passivation by self-assembled monolayers in perovskite solar cells

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(19), P. 6974 - 7016

Published: Jan. 1, 2024

This review overviews the challenges at buried interface of PSCs, defect passivation capabilities SAMs, and its effectiveness compared to other passivating agents.

Language: Английский

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Efficient Functional Compensation Layer Integrated with HTL for Improved Stability and Performance in Perovskite Solar Cells

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

Published: Jan. 5, 2025

Improving the interface characteristics between hole-transport layer (HTL) and perovskite absorber is crucial for achieving maximum efficiency in inverted solar cells (PSCs). This paper presents an effective functional compensation (FCL) composed of benzothiophene derivatives, particularly 5-(trifluoromethyl)-1-benzothiophene-2-carboxylic acid (TFMBTA); this introduced MeO-2PACz HTL to improve interfacial them. FCL improves charge transfer, hole extraction, deposition by improving surface morphology optimizing energy level alignment. The groups TFMBTA effectively passivate defects. As a result, introduction markedly reduces non-radiative recombination at layer. MeO-2PACz-based PSCs with demonstrated impressive peak power conversion 23.85%, accompanied substantially enhanced open-circuit voltage (Voc), fill factor (FF), long-term stability. Similarly, introducing PEDOT:PSS both stability PSCs, demonstrating universality FCLs across different types HTLs.

Language: Английский

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Bottom-up nucleation induced conformal crystallization for inverted MA-free perovskite solar cells on textured substrates

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 505, P. 159390 - 159390

Published: Jan. 8, 2025

Language: Английский

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Synergetic Interface and Bulk Defects Modification with Identical Organic Molecule for Efficient Inverted Perovskite Solar Cells

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Recent progress in inverted perovskite solar cells (IPSCs) mainly focused on NiOx modification and (PVK) regulation to enhance efficiency stability. However, most works address only monofunctional modifications, identical molecules with the ability simultaneously optimize interface bulk phase have been rarely reported. This work proposes a dual approach using 4-amino-3,5-dichlorobenzotrifluoride (DCTM) both upper interfaces reduction of defects perovskite. Amino group DCTM increases Ni3+/Ni2+ ratio NiOx, thereby increasing conductivity optimizing energy alignment. Additionally, fills Pb2+ I– vacancies perovskite, which improves vertical orientation grains subsequently reduces nonradiative recombination, achieving increased carrier lifetime. PVK modified by exhibits enhanced level alignment electron transport layer, while femtosecond transient absorption (TA) spectroscopy confirms that facilitates efficient transport, leading high-performance IPSCs. The optimized IPSCs achieve maximum 22.8% reduced hysteresis (0.7%). Moreover, unencapsulated device preserves over 80% its initial power conversion (PCE) after 1000 h stored air at 30% relative humidity. strategy monomolecular offers straightforward solution for optimization provides new insights into selecting aniline-derived

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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Micromolecule Postdeposition Process for Highly Efficient Inverted Perovskite Solar Cells

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: 17(9), P. 14269 - 14277

Published: Feb. 24, 2025

Inverted perovskite solar cells (PSCs) have achieved great development, contributed by the advance of self-assembled monolayer (SAM) hole-transporting layers (HTLs) due to their distinctive molecular designability. However, SAM HTLs still present challenges achieving a compact and ordered surface, resulting in vacancies defects at interface as well adversely affecting growth perovskites. In this work, we propose micromolecule postdeposition process design HTL form high-quality perovskites achieve highly efficient inverted PSCs. We introduce etidronic acid (EA) fill reduce improve growing The EA can anchor substrate through P-OH anchors, occupying left MeO-4PACz, simultaneously create interaction with P═O C-OH functional groups. effectively fills reduces interface, passivates perovskites, facilitates carrier transport. Consequently, champion PCE 24.42% is for target PSCs, which much higher than efficiency (20.08%) control. This research provides guided widely applicable strategy development further advances performance

Language: Английский

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Highly Efficient Indoor Perovskite Solar Cells with 40% Efficiency Using Perylene Diimide‐Based Zwitterionic Cathode Interlayers

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

Published: March 13, 2025

Abstract Metal halide perovskites are ideal candidates for indoor photovoltaics (IPVs) due to their tunable bandgaps, which allow the active layers be optimized artificial light sources. However, significant non‐radiative carrier recombination under low‐light conditions has limited full potential of perovskite‐based IPVs. To address this challenge, an integration perylene diimide (PDI)‐based sulfobetaines as cathode interlayers (CILs) is proposed and impact varying alkyl chain length (from 1,2‐ethylene 1,5‐pentylene) between cationic anionic moieties examined. The respective four PDI materials synthesized almost qualitatively using a one‐step microwave‐assisted process. All them show adequate thermal stability energy levels suitable desired application CILs. Moreover, degradation temperature, LUMO level, conductivity, performance in model devices found change positively along with increase. Among tested derivatives, compound equipped longest (PDI‐C5‐S3) stands out its superior electrical conductivity enhanced ability lower silver work function. When incorporated into Cs 0.18 FA 0.82 Pb(I 0.8 Br 0.2 )‐based wide‐bandgap perovskite solar cells (PSCs), PDI‐C5‐S3 interlayer lead outstanding power conversion efficiency (PCE) 19.04% one‐sun illumination remarkable 40.72% 3000K LED (1000 lux) conditions.

Language: Английский

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On-demand formation of Lewis bases for efficient and stable perovskite solar cells

Nature Nanotechnology, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Language: Английский

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