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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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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Post‐Assembled Dipole Benzoic Acids Modified Me‐4PACz for Efficient and Stable Inverted Perovskite Solar Cells

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

Published: Feb. 16, 2025

Abstract Self‐assembled monolayers (SAMs), particularly those molecules composed of carbazole and phosphonic acid, are widely employed as effective hole‐selective layer (HSL) in inverted perovskite solar cells (PSCs). However, the insufficient chemical bond formation with metal oxides (ITO) self‐aggregation solvents acid SAM led to non‐uniform HSL, which turn affect power conversion efficiency (PCE) stability PSCs. Herein, a series benzoic materials (BAs), including p‐fluorobenzoic (FBA) p‐methylbenzoic (MBA), used post‐assembly effectively fill voids between [4‐(3,6‐dimethyl‐9H‐carbazole‐9‐yl)butyl]phosphonic (Me‐4PACz) form denser facilitates passivation buried interface. In addition, post‐assembled BAs different dipole moments can adjust work function Me‐4PACz facilitating transport extraction charge carriers. Consequently, PSCs based on Me‐4PACz/FBA HSL realize champion PCE 25.58%. Moreover, unencapsulated devices maintain 82% 94% after 800 h outdoor storage (RH≈60%) 2000 glove box, respectively. This technique enhances both device, blazing simple pathway for further development

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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Synergistic Improvement of Structural Ordering and Interface Binding of Hole Transport Monolayer for Efficient Inverted Perovskite Solar Cells

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

Published: March 24, 2025

Abstract The widespread application of self‐assembled monolayer (SAM) hole transport materials has driven rapid advancements in the performance inverted perovskite solar cells (PSCs). However, difficulty achieving a highly ordered SAM for and weak binding strength between layer not only leads to defective bottom interface but also reduces compatibility with large‐area device fabrication. In this work, co‐assembled molecule functionalized diamide terminal group is demonstrated that able form supramolecular interaction popular carbazole‐based SAMs regulating their structural ordering, improve chemical bonding Pb‐I frameworks synergistically, which enables efficient long‐term stable PSCs. As result, target contributes champion small‐area power conversion efficiency (PCE) 25.3% (certified 25.0%), demonstrates good fabrication by reproducible performances 1.02 cm 2 devices. encapsulated devices exhibit stability 92.8% 91.2% initial PCE after 1500 hours aging under 85 °C maximum point (MPP) tracking at 65 hours, respectively.

Language: Английский

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Manufacturing Cost Analysis of Single‐Junction Perovskite Solar Cells

Solar RRL, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 11, 2024

Perovskite solar cells (PSCs) have attracted widespread attention due to their low cost and high efficiency. So far, a variety of single‐junction PSCs been successfully developed considered for commercialization, including normal (N‐PSCs), inverted (I‐PSCs), carbon‐based (C‐PSCs) without hole transporter. Herein, the material cost, equipment depreciation energy consumption these three types (1 m 2 ) in detail are analyzed. As indicated, total fabrication N‐PSCs ($86.49) I‐PSCs ($81.31) is very close, but significantly reduced $41.16 C‐PSCs (49%–52% reduction) because carbon electrode much cheaper than noble metal organic Besides, only low‐cost slot‐die coating process with needed deposition electrode, while expensive physical vapor reactive plasma processes

Language: Английский

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Reinforcing Coverage of Self‐assembled Monomolecular Layers for Inverted Perovskite Solar Cells with Efficiency of 25.70%

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 30, 2024

Abstract Self‐assembled monolayers (SAM) as hole transport layers have been widely used in high‐efficiency inverted perovskite solar cells (PSCs) exceeded 26 %. However, the poor coverage and non‐uniform distribution on substrate of SAM further restrict improvement device performance. Herein, we utilize mixed strategy via MeO‐2PACz along with perfluorotripropylamine (FC‐3283) to improve coverage, aiming accelerate carrier transport, promote growth, regulate surface energy levels suppress nonradiative recombination. The champion mixed‐SAM achieves an efficiency 25.70 % (certified 25.6 %) long‐term stability (maintained initial 90 after 1000 h 180 under ISOS‐L‐1 ISOS‐L‐2).

Language: Английский

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Precisely‐Controlled Co‐Self‐Assembled Monolayer for Improved Performance of Blade‐Coated Perovskite Solar Cells

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

Published: April 24, 2025

Abstract Self‐assembled monolayers (SAMs) have achieved remarkable success in the realm of inverted perovskite solar cells (PSCs). The integration two distinct SAMs, referred to as co‐SAM, significantly broadens diversity within SAM family and propels enhancement PSC performance. In this study, a co‐SAM consisting [4‐(3,6‐dimethoxy‐9H‐carbazol‐9‐yl)butyl] phosphonic acid (MeO‐4PACz) [2‐(3,6‐dimethyl‐9H‐carbazol‐9‐yl) ethyl] (Me‐2PACz) is sequentially deposited achieve precisely controlled nanostructure. It unveiled that initial deposition step governs surface wettability, whereas subsequent dictates energy level alignment. Leveraging meticulously regulated blade‐coated attains an impressive efficiency 25.01%, retains 95.4% its after 2500 h under illumination, maintains 86.7% ≈2000 at 85 °C. This research delineates novel pathway facilitate large‐scale manufacturing PSCs.

Language: Английский

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Vacuum Processability of Self-Assembled Monolayers and Their Chemical Interaction with Perovskite Interfaces

Energies, Journal Year: 2025, Volume and Issue: 18(7), P. 1782 - 1782

Published: April 2, 2025

Self-assembled monolayers (SAMs) have gained significant attention as an interfacial engineering strategy for perovskite solar cells (PSCs) due to their efficient charge transport ability and work function tunability. While solution-based methods such dip-coating spin-coating are widely used SAM deposition, challenges non-uniform coverage, solvent contamination, limited control over molecular orientation hinder scalability reproducibility. In contrast, vacuum deposition techniques, including thermal evaporation, overcome these limitations by enabling the formation of highly uniform materials with precise thickness arrangement. Importantly, chemical interactions between layers, coordination bonding Pb2+ ions, play important role in passivating surface defects, modulating energy levels, promoting crystallization. These not only enhance wettability but also improve overall quality stability films. This review highlights advantages vacuum-deposited SAMs, strong layers improving properties critical scalable applications.

Language: Английский

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Multifunctional Hole Transport Strategy for Highly Efficient and Stable Inverted Perovskite Solar Cells

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

Published: April 8, 2025

Self-assembled monolayer (SAM)-based inverted perovskite solar cells (PSCs) have exhibited excellent performance in efficiency, while the stability and reproducibility of PSCs still need to be improved. In this work, we present a multifunctional hole transport approach for PSCs, where NiOX, SAM ((E)-3-(4-(bis(4-methoxyphenyl)amino)phenyl)acrylic acid, abbreviated as MPTCA) wetting agent (2-phenylethylamine hydroiodide, known PEAI) are employed hole-transport materials (HTMs). This NiOX/MPTCA/PEAI composite layer is uniform has good properties, which enables formation high-quality film, effectively minimizing defects that typically occur at buried interface. An outstanding champion efficiency 24.74% was obtained devices, followed by enhanced with an average power conversion (PCE) 24.13 ± 0.26%, notably higher than (22.73 0.62%) pristine MPTCA-based PSCs. More importantly, composited HTL-based devices without encapsulation demonstrated remarkable stability, decrease less 10% initial after 500 h continuous light soaking.

Language: Английский

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