Molecular Bridging of Buried Interface Flattens Grain Boundary Grooves and Imparts Stress Relaxation for Performance Enhancement and UV Stability in Perovskite Solar Cells DOI
Wei Cheng, Peng Huang, Zhijie Gao

и другие.

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 3, 2025

Abstract The limitations imposed by interfacial voids and residual stress fundamentally constrain the stability performance ceiling of perovskite solar cells (PSCs). Herein, study engineers a molecular bridge placement ectoine (Ec) at SnO 2 /perovskite interface. experimental investigations coupled with first‐principles density functional theory (DFT) calculations reveal that carboxyl group preferentially passivates uncoordinated Sn 4+ defects oxygen vacancies in , while imine establishes robust coordination Pb ⁺ ions to passivate 2+ defects. bi‐anchoring bridging mechanism facilitates release, flattens grain boundary grooves, significantly suppresses nonradiative recombination. In turn, Ec‐modified PSCs achieve power conversion efficiency (PCE) 24.68% (vs 22.56% for control). Significantly, unencapsulated Ec show improved UV stability, retaining 80.12% initial PCE after 130 h (equivalent 1412 irradiation) under 365 nm ultraviolet irradiation (50 mW cm −2 ). uncovers role as optimize buried interface effective yet stable cell fabrication.

Язык: Английский

Photovoltaic bioelectronics merging biology with new generation semiconductors and light in biophotovoltaics photobiomodulation and biosensing DOI Creative Commons
Ebin Joseph, Manuela Ciocca, Haodong Wu

и другие.

Deleted Journal, Год журнала: 2024, Номер 1(1)

Опубликована: Ноя. 21, 2024

Abstract This review covers advancements in biosensing, biophotovoltaics, and photobiomodulation, focusing on the synergistic use of light, biomaterials, cells or tissues, interfaced with photosensitive dye-sensitized, perovskite, conjugated polymer organic semiconductors nanoparticles. Integration semiconductor biological systems, using non-invasive light-probes -stimuli for both sensing controlling behavior, has led to groundbreaking applications like artificial retinas. From fusion photovoltaics biology, a new research field emerges: photovoltaic bioelectronics.

Язык: Английский

Процитировано

7

Bi‐Functional Phosphine Oxide Passivator for Efficient Near‐Infrared Sn‐Based Perovskite Light‐Emitting Diodes with Ultra‐Low Efficiency Roll‐Off DOI
Yuanyuan Meng,

Xiang Guan,

Yalian Weng

и другие.

Advanced Functional Materials, Год журнала: 2023, Номер 34(13)

Опубликована: Дек. 21, 2023

Abstract Recently, lead‐free Sn‐based perovskite light‐emitting diodes (PeLEDs) have attracted wide attention due to their near‐infrared emission and environmental friendliness. However, desired Sn 2+ is easily oxidized 4+ in the crystallization process, resulting defects intrinsically p‐doped properties films. The uncontrollable oxidation affects charge injection balance radiative recombination, leading poor device performance. Herein, a bi‐functional conductive molecular, 2,7‐bis(diphenylphosphoryl)‐9,9′‐spirobifluorene (SPPO13) with two P═O functional groups, used interact passivate suppress of . Moreover, SPPO13 modification layer inserted between emitter electron transport can regulate carrier transport, thus promoting balance. As result, high‐performance CsSnI 3 PeLEDs record external quantum efficiency (EQE) 6.60% ultra‐low roll‐off are achieved. work provides novel approach defect passivation for efficient PeLEDs.

Язык: Английский

Процитировано

17

Metal Porphyrin Complex Combined with Polymerization and Isomerization Cyclic Amplification for a Sensitive Photoelectrochemical Assay DOI

Qingyuan Dong,

Qiao Ding,

Ruo Yuan

и другие.

Analytical Chemistry, Год журнала: 2023, Номер 95(11), С. 5126 - 5132

Опубликована: Март 10, 2023

5,10,15,20-Tetrakis(4-aminophenyl)-21H,23H-porphine (TPAPP) possesses good light-harvesting ability and photoelectrochemical (PEC) cathode response signal; however, the disadvantages of easy stacking weak hydrophilicity limit its application as a signal probe in PEC biosensors. Based on these, we prepared Fe3+ Cu2+ co-coordinating photoactive material (TPAPP-Fe/Cu) with horseradish peroxidase (HRP)-like activity. The metal ions porphyrin center not only enabled directional flow photogenerated electrons between electron-rich positive within inner-/intermolecular layers but also accelerated electron transfer through synergistic redox reaction Fe(III)/Fe(II) Cu(II)/Cu(I) well rapid generation superoxide anion radicals (O2–•) by mimicking catalytically produced dissolved oxygen, thereby providing desired extremely high photoelectric conversion efficiency. Accordingly, combining toehold-mediated strand displacement (TSD)-induced single cycle polymerization isomerization cyclic amplification (PICA), an ultrasensitive biosensor was constructed for detection colon cancer-related miRNA-182-5p. ultratrace target could be converted to abundant output DNA TSD possessing desirable amplifying trigger PICA forming long ssDNA repetitive sequences, thus decorating substantial TPAPP-Fe/Cu-labeled probes producing photocurrent. Meanwhile, Mn(III) meso-tetraphenylporphine chloride (MnPP) embedded dsDNA further exhibit sensitization effect toward TPAPP-Fe/Cu acceleration analogous that above. As result, proposed displayed low 0.2 fM, facilitating development high-performance biosensors showing great potential early clinical diagnosis.

Язык: Английский

Процитировано

16

Synergistic effect of multifunctional MXene-nanosheet and naphthoquinone sulfonate toward high-performance perovskite solar cells and modules DOI

Shuguang Cao,

Lavrenty G. Gutsev, Zhuoneng Bi

и другие.

Chemical Engineering Journal, Год журнала: 2023, Номер 474, С. 145707 - 145707

Опубликована: Авг. 28, 2023

Язык: Английский

Процитировано

12

A Review on Buried Interface of Perovskite Solar Cells DOI Creative Commons

Yu Pu,

Haijun Su, Congcong Liu

и другие.

Energies, Год журнала: 2023, Номер 16(13), С. 5015 - 5015

Опубликована: Июнь 28, 2023

Perovskite solar cells (PSCs) have been developed rapidly in recent years because of their excellent photoelectric performance. However, interfacial non-radiative recombination hinders the improvement device The buried interface modification strategy can minimize non-radiation and obtain high efficiency stability PSCs. In this review, we introduce structure charge carrier dynamics (charge transfer, extraction, collection) at interface. We further summarize main sources interface, such as energy alignment mismatch defects, methods to characterize them. contrast previous review perovskite cells, important roles interfaces regulating level alignment, passivating surface modulating morphology, so on are reviewed detail based latest research, strategies for reducing nonradiative provided. end, potential development challenges high-performance stable PSCs presented.

Язык: Английский

Процитировано

10

Enhancing the Efficiency and Stability of Inverted Formamidinium-Cesium Lead-Triiodide Perovskite Solar Cells through Lewis Base Pretreatment of Buried Interfaces DOI
Jing Wang, Siyu Liu, Xiang Guan

и другие.

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(27), С. 35732 - 35739

Опубликована: Июнь 26, 2024

Mixed components of formamidinium(FA) and cesium (Cs)-based perovskite solar cells are the most hopeful for commercialization owing to their excellent operational phase stabilities, especially devices with inverted structure. The nonradiative recombination carriers can be effectively suppressed through interface optimization, therefore, performance improved. Notably, buried emerges as critical aspects such charge transport, kinetics, morphology films. This study focuses on a straightforward yet effective approach overcome challenges between organic polymers (poly(-triarylamine) (PTAA) FACs-based PTAA substrate is pretreated Lewis base known 2-butynoic acid (BA) C═O functional group. First, it an interfacial buffering layer, harmonizing stress mismatch layers, consequently optimizing crystallization improving film quality. Second, Pb2+ defect passivated at binding group BA molecule. dual-function strategy leads substantial enhancement in both photoelectric conversion efficiency (PCE) stability devices. Finally, PCE device-modified reaches impressive 23.33%. Furthermore, unencapsulated treatment maintain approximately 94% initial after aging maximum power point tracking 1000 h.

Язык: Английский

Процитировано

4

Synergistic Toughening and Strain Releasing Strategy in Metal Halide Perovskite Photovoltaics DOI Open Access

Chenyun Wang,

Chuanzhen Shang,

Haoyang Feng

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Авг. 24, 2024

Abstract Metal halide perovskite with high Young's modulus is prone to form cracks when subjected mechanical stresses such as bending, twisting, or impacting, ultimately leading a permanent decline in the performance of their photovoltaic devices. These properties pose challenges durability long‐term service devices and production flexible To address this issue, poly (lipoic acid‐co‐Styrene) elastomer employed modulate films. The peak force quantitative nanomechanical atomic microscopy measurements nanoindentation tests demonstrated reduction modulus, lower preventing formation defects during deformation. Moreover, approach also suppressed non‐radiative recombination solar cells by leveraging interaction between functional groups defects. Through method, rigid inverted attained power conversion efficiency 24.42% alongside remarkable stability. Concurrently, achieved 22.21%. This strategy offers promising avenue for fabricating enhancing durability.

Язык: Английский

Процитировано

4

Application of Natural Molecules in Efficient and Stable Perovskite Solar Cells DOI Open Access
Yu Chen, Qian Zhou, Dongmei He

и другие.

Materials, Год журнала: 2023, Номер 16(6), С. 2163 - 2163

Опубликована: Март 8, 2023

Perovskite solar cells (PSCs), one of the most promising photovoltaic technologies, have been widely studied due to their high power conversion efficiency (PCE), low cost, and solution processability. The architecture PSCs determines that PCE stability are highly dependent on each layer related interface, where nonradiative recombination occurs. Conventional synthetic chemical materials as modifiers disadvantages being toxic costly. Natural molecules with advantages biocompatibility, eco-friendly, improved by modifying both functional layers interface. In this review, we discuss roles natural devices in terms perovskite active layer, carrier transport (CTLs), substrate. Finally, summary outlook for future development molecule-modified also addressed.

Язык: Английский

Процитировано

9

Tailoring Ionic Liquid Chemical Structure for Enhanced Interfacial Engineering in Two‐Step Perovskite Photovoltaics DOI
Fei Wang, Jing Ma,

Dawei Duan

и другие.

Small, Год журнала: 2023, Номер 20(20)

Опубликована: Дек. 6, 2023

Ionic liquids (ILs) have emerged as versatile tools for interfacial engineering in perovskite photovoltaics. Their multifaceted application targets defect mitigation at SnO

Язык: Английский

Процитировано

9

Recent advances in ionic molecules applied in perovskite solar cells DOI

Yuansi Xie,

Bo Wu, Deqing Gao

и другие.

Journal of Materials Chemistry C, Год журнала: 2024, Номер 12(18), С. 6374 - 6394

Опубликована: Янв. 1, 2024

A review concerning the interaction mechanisms and functions of various types ionic molecules in perovskite solar cells past year, as well suggestions on their molecular design future studies.

Язык: Английский

Процитировано

3