Mussel-inspired poly-norepinephrine coatings as “slippy-sticky interlayer” for fabricating high-energy insensitive energetic composites

Chemical Engineering Science, Journal Year: 2024, Volume and Issue: 298, P. 120326 - 120326

Published: June 3, 2024

Language: Английский

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Suppressing Hole Accumulation Through Sub‐Nanometer Dipole Interfaces in Hybrid Perovskite/Organic Solar Cells for Boosting Near‐Infrared Photon Harvesting

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

Published: Sept. 30, 2024

Abstract The potential of hybrid perovskite/organic solar cells (HSCs) is increasingly recognized owing to their advantageous characteristics, including straightforward fabrication, broad‐spectrum photon absorption, and minimal open‐circuit voltage ( V OC ) loss. Nonetheless, a key bottleneck for efficiency improvement the energy level mismatch at perovskite/bulk‐heterojunction (BHJ) interface, leading charge accumulation. In this study, it demonstrated that introducing uniform sub‐nanometer dipole layer formed B3PyMPM onto perovskite surface effectively reduces 0.24 eV band offset between donor BHJ. This strategic modification suppresses recombination loss, resulting in noticeable 30 mV increase balanced carrier transport, accompanied by 5.0% fill factor. Consequently, HSCs achieve power conversion 24.0% developed, new record Pb‐based with remarkable short‐circuit current 4.9 mA cm −2 , attributed enhanced near‐infrared harvesting.

Language: Английский

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Ionic Liquid Modified Polymer Intermediate Layer for Improved Charge Extraction toward Efficient and Stable Perovskite/Silicon Tandem Solar Cells

Small, Journal Year: 2023, Volume and Issue: 20(21)

Published: Dec. 15, 2023

Abstract Monolithic perovskite/silicon tandem solar cells have been attracted much attention in recent years. Despite their high performances, the stability issue of perovskite‐based devices is recognized as one key challenges to realize industrial application. When comes perovskite top subcell, interface between and electron transporting layers (usually C 60 ) significantly affects device efficiency well due poor adhesion. Here, different from conventional interfacial passivation using metal fluorides, a hybrid intermediate layer proposed—PMMA functionalized with ionic liquid (IL)—is introduced at perovskite/C interface. The application PMMA essentially improves its strong hydrophobicity, while adding IL relieves charge accumulation perovskite. Thus, an optimal wide‐bandgap achieves power conversion 20.62%. These are further integrated subcells silicon bottom monolithic structure, presenting optimized PCE up 27.51%. More importantly, such exhibit superior by maintaining 90% initial after 1200 h under continuous illumination.

Language: Английский

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Achieving Over 42% Indoor Efficiency in Wide-Bandgap Perovskite Solar Cells Through Optimized Interfacial Passivation and Carrier Transport

Published: Jan. 1, 2024

Language: Английский

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Interfacial modification engineering for efficient and stable MA-free wide-bandgap perovskite solar cells by grain regrowth

Materials Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 8(18), P. 3017 - 3027

Published: Jan. 1, 2024

Introducing GuSCN reduces the defect density of perovskites by one order magnitude. Consequently, an MA-free opaque wide-bandgap perovskite solar cell achieves 20.92% power conversion efficiency with excellent stability.

Language: Английский

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