Building Scalable Buried Interface for High‐Performance Perovskite Photovoltaic Devices DOI
Min Yang, Zhenzhen Qin,

Mengjiong Chen

et al.

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

Published: March 29, 2024

Abstract The quality of the buried interface plays a key role in achieving high‐performance perovskite solar cells (PSCs). However, it is challenging to guarantee its on larger area, which pivotal for commercialization PSCs. Here, facile strategy developed modify SnO 2 /perovskite by incorporating L‐Aspartic acid monosodium salt (ASP‐Na) into colloidal dispersion. ASP‐Na with multidentate ligands can coordinate Sn form stable dispersion, inhibiting agglomeration nanoparticles at interface. In addition, coordination between and turn promotes uniform distribution ASP‐Na, facilitates effective passivation defects. Consequently, treatment improves device efficiency from 23.44% 25.47% (certified 25.02%) an aperture area 0.0797 cm without hysteresis enhances operation stability. mini‐module achieves 20.11% 18.30 , demonstrating potential scalability.

Language: Английский

Record‐Efficiency Flexible Perovskite Solar Cells Enabled by Multifunctional Organic Ions Interface Passivation DOI
Lu Yang, Jiangshan Feng, Zhike Liu

et al.

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(24)

Published: April 18, 2022

Flexible perovskite solar cells (f-PSCs) have attracted great attention because of their unique advantages in lightweight and portable electronics applications. However, efficiencies are far inferior to those rigid counterparts. Herein, a novel histamine diiodate (HADI) is designed based on theoretical study modify the SnO2 /perovskite interface. Systematic experimental results reveal that HADI serves effectively as multifunctional agent mainly three aspects: 1) surface modification realign conduction band upward improve interfacial charge extraction; 2) passivating buried surface, 3) bridging between layers for effective transfer. Consequently, MA-free PSCs HADI-SnO2 electron transport layer (ETL) display not only high champion power conversion efficiency (PCE) 24.79% open-circuit voltage (VOC ) 1.20 V but also outstanding stability demonstrated by preserving 91% initial after being exposed ambient atmosphere 1200 h without any encapsulation. Furthermore, solution-processed ETL formed at low temperature (100 °C) utilized f-PSCs achieve PCE 22.44%, highest reported date.

Language: Английский

Citations

313
Modulating buried interface with multi-fluorine containing organic molecule toward efficient NiO -based inverted perovskite solar cell DOI
Haoxin Wang, Wei Zhang, Biyi Wang

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 111, P. 108363 - 108363

Published: March 22, 2023

Language: Английский

Citations

128
Modulation of nucleation and crystallization in PbI2 films promoting preferential perovskite orientation growth for efficient solar cells DOI
Wenlong Shao, Haibing Wang, Feihong Ye

et al.

Energy & Environmental Science, Journal Year: 2022, Volume and Issue: 16(1), P. 252 - 264

Published: Dec. 9, 2022

PFAT promotes the secondary growth of PbI 2 clusters and early formation favorable perovskite phases via a two-step sequential deposition approach.

Language: Английский

Citations

124
Multifunctional Two-Dimensional Polymers for Perovskite Solar Cells with Efficiency Exceeding 24% DOI
Qiang Fu, Huan Liu,

Xingchen Tang

et al.

ACS Energy Letters, Journal Year: 2022, Volume and Issue: 7(3), P. 1128 - 1136

Published: Feb. 25, 2022

The passivation of the intrinsic surface defects perovskites by organic functional materials has a great potential to retard charge recombination and enhance extraction. However, unsatisfactory device performance lack in-depth understanding defect mechanism make rational molecule design for efficient solar cells challenge. Herein, two solution-processable two-dimensional (2D) conjugated polymers, namely, 2DP-F 2DP-O, have been synthesized perovskite (PSCs). It is found that these could passivate defects, transport extract hole carriers, hamper moisture invasion, impede diffusion Li+ cations into film. As result, champion efficiencies 23.31% 24.08% were achieved 2DP-F- 2DP-O-based devices, respectively, coupled with dramatically improved stability. These results indicate our proposed 2D polymers be promising multifunctional further boosting efficiency improving stability PSCs.

Language: Английский

Citations

90
Over 24% Efficient Poly(vinylidene fluoride) (PVDF)‐Coordinated Perovskite Solar Cells with a Photovoltage up to 1.22 V DOI

Riming Sun,

Qiushuang Tian,

Mubai Li

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 33(6)

Published: Dec. 11, 2022

Abstract Recently, organic–inorganic metal halide perovskite solar cells (PSCs) have achieved rapid improvement, however, the efficiencies are still behind Shockley–Queisser theory mainly due to their high energy loss ( E LOSS ) in open‐circuit voltage V OC ). Due polycrystalline nature of solution‐prepared films, defects at grain boundaries as non‐radiative recombination centers greatly affect and limit device efficiency. Herein, poly(vinylidene fluoride) (PVDF) is introduced polymer‐templates film, where fluorine atoms PVDF network can form strong hydrogen‐bonds with organic cations coordinate bonds Pb 2+ . The interaction between perovksite enables slow crystal growth efficient defect passivation, which effectively reduce non‐radiation minimize PVDF‐based PSCs achieve a champion efficiency 24.21% excellent 1.22 V, one highest values reported for FAMAPb(I/Br) 3 ‐based PSCs. Furthermore, hydrophobic endow humidity stability, unencapsulated cell maintain initial >90% 2500 h under air ambient ≈50% humid consistently 1.20 V.

Language: Английский

Citations

77
Enhancing the Hot Carrier Injection of Perovskite Solar Cells by Incorporating a Molecular Dipole Interlayer DOI
Tai‐Sing Wu, Rongjun Zhao,

Junming Qiu

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(38)

Published: July 13, 2022

Abstract Surface passivation engineering of perovskite films via organic functional small molecules has emerged as an effective strategy for improving the efficiency and stability solar cells (PSCs). However, a systematic understanding underlying mechanisms behind these improvements is still missing. In this work, two new naphthalimide‐based (PX, X = F, I) are designed employed to efficiently passivate surface defects in PSCs. Consequently, superior photovoltaic properties PI‐treated PSCs achieved with power conversion 23.06%, which significantly higher than that reference device without passivators (20.45%). Theoretical calculations reveal PX can give rise interfacial electrical dipole. It found incorporating dipole interlayer between layer hole transport enhance ultrafast charge‐carrier injection suppress recombination device, illustrated by transient absorption spectroscopy. These present results provide valuable information on dynamics further improve performance.

Language: Английский

Citations

72
Defect passivation in methylammonium/bromine free inverted perovskite solar cells using charge-modulated molecular bonding DOI Creative Commons
Dhruba B. Khadka, Yasuhiro Shirai, Masatoshi Yanagida

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Jan. 29, 2024

Abstract Molecular passivation is a prominent approach for improving the performance and operation stability of halide perovskite solar cells (HPSCs). Herein, we reveal discernible effects diammonium molecules with either an aryl or alkyl core onto Methylammonium-free perovskites. Piperazine dihydriodide (PZDI), characterized by core-electron cloud-rich-NH terminal, proves effective in mitigating surface bulk defects modifying chemistry interfacial energy band, ultimately leading to improved carrier extraction. Benefiting from superior PZDI passivation, device achieves impressive efficiency 23.17% (area ~1 cm 2 ) (low open circuit voltage deficit ~0.327 V) along operational stability. We achieve certified ~21.47% ~1.024 inverted HPSC. strengthens adhesion via -NH I Mulliken charge distribution. Device analysis corroborates that stronger bonding interaction attenuates defect densities suppresses ion migration. This work underscores crucial role bifunctional adsorption mitigation, setting stage design charge-regulated molecular enhance

Language: Английский

Citations

68
Ionic liquids tailoring crystal orientation and electronic properties for stable perovskite solar cells DOI

Yuqin Zou,

Johanna Eichhorn,

Sebastian Rieger

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 112, P. 108449 - 108449

Published: April 14, 2023

Language: Английский

Citations

42
Managing the lifecycle of perovskite solar cells: Addressing stability and environmental concerns from utilization to end-of-life DOI Creative Commons
Hee Jung Kim, Gill Sang Han, Hyun Suk Jung

et al.

eScience, Journal Year: 2024, Volume and Issue: 4(2), P. 100243 - 100243

Published: Jan. 25, 2024

Perovskite solar cells (PSCs) have shown remarkable advancements and achieved impressive power conversion efficiencies since their initial introduction in 2012. However, challenges regarding stability, quality, sustainability must be addressed for successful commercial use. This review analyses the recent studies related to operating life end-of-life utilization of PSCs. Strategies enhance stability mitigate toxic Pb leakage operational recycling approaches discarded PSCs post are examined establish a viable sustainable PSC industry. Additionally, future research directions proposed The goal is ensure high efficiency as well economic environmental throughout lifecycle

Language: Английский

Citations

22
Uncovering chemical structure-dependency of ionic liquids as additives for efficient and durable perovskite photovoltaics DOI
Fei Wang,

Dawei Duan,

Yonggui Sun

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: 125, P. 109549 - 109549

Published: March 27, 2024

Language: Английский

Citations

17