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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High‐Performance Perovskite Solar Cells via Synergistic Grating Microstructures and Dynamic‐Bonded Ion‐Conductive Elastomers

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

Published: April 25, 2025

Abstract Perovskite solar cells (PSCs) have emerged as a prominent focus in energy research owing to their remarkable power conversion efficiency (PCE). However, the realization, maintenance, and even repair of high perovskite are still difficult issues. Herein, synergistic strategy grating microstructures ion‐conducting elastomers (ICE) based on dynamic hindered urea‐carbamate bonds is proposed realize high‐efficiency long‐term stable PSCs. The microstructured PbI 2 (G‐PbI ) can initially optimize crystallization behavior perovskite, fact that introduction ICE achieves 25.61% efficient featuring graded demonstrates triple‐functionality: i) Abundant carbonyl (‐C(O)‐) coordination sites within strongly interact with , enhancing kinetics; ii) intrinsic conductivity facilitates charge carrier transport extraction at grain boundaries interfaces; iii) moisture‐responsive urea coupled bond reorganization endows device exceptional hydrothermal stability (T 80 >1500 h), more interestingly, ICE‐containing devices be simply heat‐treated recover photovoltaic performance. A hierarchical covalent networks opens new insights into field constructing, maintaining, restoring

Language: Английский

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Modulating Crystal Growth with Sacrificial Coordination for High‐Performance Perovskite Solar Cells via Intense Pulsed Light Annealing

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

Published: April 28, 2025

Abstract Intense pulsed light (IPL) annealing has emerged as a transformative technology for the high‐throughput, low‐cost fabrication of perovskite films, enabling rapid conversion precursor wet films into within milliseconds. Despite their potential, efficiencies IPL‐processed devices have yet to match those achieved through conventional thermal (TA), primarily due challenges uncontrolled crystallization and defect formation during IPL process. In this study, solid Lewis base additive, dodecyl methyl sulfoxide (DodecylMSO) is introduced, modulate crystal growth improve film morphology uniformity under conditions. DodecylMSO acts sacrificial with X‐ray photoelectron spectroscopy (XPS) confirming majority it removed in final films. Compared control DodecylMSO‐modified exhibited significantly reduced densities enhanced carrier extraction transport properties. Leveraging approach, p‐i‐n solar cells (PSCs) demonstrated champion power efficiency 23.5% fabricated via IPL. This coordination strategy not only addresses key processing but also opens new avenues advancing manufacturability scalability high‐performance PSCs.

Language: Английский

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Engineering a thermally robust hole-selective layer for stable flexible perovskite solar cells

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158389 - 158389

Published: Dec. 1, 2024

Language: Английский

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Design and applications of hole-selective self-assembled monolayers for perovskite photovoltaics

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158870 - 158870

Published: Dec. 1, 2024

Language: Английский

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