Hydrogen Bonds in Perovskite for Efficient and Stable Photovoltaic† DOI
Tianyun Wang, Yangyang Hao, Mingzhe Zhu

et al.

Chinese Journal of Chemistry, Journal Year: 2024, Volume and Issue: 42(11), P. 1284 - 1306

Published: Feb. 13, 2024

Comprehensive Summary Owing to their distinctive optical and physical properties, organic‐inorganic hybrid perovskite materials have gained significant attention in the field of electronic devices, especially solar cells. The achievement high‐performance cells hinges upon utilization top‐notch thin films. Nevertheless, fabrication process involving solutions polycrystalline nature result emergence numerous defects within films, consequently exerting a deleterious influence on overall performance stability devices. Improving by additive engineering suppress/passivate is viable approach, which involves hydrogen bond interactions these device processes. This review explores intrinsic bonds methylammonium formamidium lead triiodide, while also considering cation rotations, phase transitions, stability. Moreover, classifies additives into distinct categories, including organic small molecules, polymers, nanodots, classical salts, ionic liquids, molten salts. various forms characterization techniques are discussed, as well potential synergistic effects conjunction with other chemical interactions. Furthermore, this offers insights further enhance Key Scientists In 2009, Tsutomu Miyasaka et al . prepared first cell, kicked off research light‐absorbing materials. However, use liquid electrolytes led instability. transition all‐solid‐state was realized Nam‐Gyu Park's team 2012, beginning high‐efficiency Subsequently, number scientists innovated preparation ground process. Methods such two‐step deposition Michael Grätzel 2013 anti‐solvent extraction Sang II Seok's 2014 were instrumental advancing development perovskite. Liyuan Han's then increased cell's working area 1 cm 2 without compromising performance, making it possible compare metrics those types same scale. Recently, You's Pan's kept updating world record obtaining certified efficiencies 25.6% 25.8% 2022 2023, respectively.

Language: Английский

Progress and Challenges Toward Effective Flexible Perovskite Solar Cells DOI Creative Commons

Xiongjie Li,

Haixuan Yu, Zhirong Liu

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: Aug. 31, 2023

The demand for building-integrated photovoltaics and portable energy systems based on flexible photovoltaic technology such as perovskite embedded with exceptional flexibility a superior power-to-mass ratio is enormous. photoactive layer, i.e., the thin film, critical component of solar cells (F-PSCs), still faces long-term stability issues when deformation occurs due to encountering temperature changes that also affect intrinsic rigidity. This literature investigation summarizes main factors responsible rapid destruction F-PSCs. We focus mechanical F-PSCs together recent research protocols improving this performance. Furthermore, we specify progress in concerning precise design strategies functional layer enhance flexural endurance films, internal stress engineering, grain boundary modification, self-healing strategy, crystallization regulation. existing challenges oxygen-moisture advanced encapsulation technologies are discussed. As concluding remarks, propose our viewpoints large-scale commercial application

Language: Английский

Citations

65
Material and Device Design of Flexible Perovskite Solar Cells for Next‐Generation Power Supplies DOI
Ruijia Tian, Shujing Zhou, Yuanyuan Meng

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)

Published: Jan. 16, 2024

This review outlines the rapid evolution of flexible perovskite solar cells (f-PSCs) to address urgent need for alternative energy sources, highlighting their impressive power conversion efficiency, which increases from 2.62% over 24% within a decade. The unique optoelectronic properties materials and inherent mechanical flexibilities instrumental in development f-PSCs are examined. Various strategies proposed material modification device optimization significantly enhance efficiency bending durability. transition small-scale devices large-area photovoltaic modules diverse applications is discussed addition challenges innovative solutions related film uniformity environmental stability. provides succinct yet comprehensive insights into f-PSCs, paving way integration various potential renewable landscape.

Language: Английский

Citations

38
Suppressing Halide Segregation via Pyridine‐Derivative Isomers Enables Efficient 1.68 eV Bandgap Perovskite Solar Cells DOI
Yang Liu, Zheng Fang,

Yongbin Jin

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(21)

Published: Feb. 24, 2024

Light-induced phase segregation is one of the main issues restricting efficiency and stability wide-bandgap perovskite solar cells (WBG PSCs). Small organic molecules with abundant functional groups can passivate various defects, therefore suppress ionic migration channels for segregation. Herein, a series pyridine-derivative isomers containing amino carboxyl are applied to modify surface. The amino, carboxyl, N-terminal pyridine in all these interact undercoordinated Pb

Language: Английский

Citations

38
Mechanical Durability and Flexibility in Perovskite Photovoltaics: Advancements and Applications DOI
Fei Song,

Dexu Zheng,

Jiangshan Feng

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(18)

Published: Jan. 14, 2024

Abstract The remarkable progress in perovskite solar cell (PSC) technology has witnessed a leap efficiency within the past decade. As this continues to mature, flexible PSCs (F‐PSCs) are emerging as pivotal components for wide array of applications, spanning from powering portable electronics and wearable devices integrating seamlessly into electronic textiles large‐scale industrial roofing. F‐PSCs characterized by their lightweight, mechanical flexibility, adaptability cost‐effective roll‐to‐roll manufacturing, hold immense commercial potential. However, persistent concerns regarding overall stability robustness these loom large. This comprehensive review delves recent strides made enhancing F‐PSCs. It covers spectrum crucial aspects, encompassing material optimization, precise crystal grain regulation, film quality enhancement, strategic interface engineering, innovational developed transparent electrodes, judicious substrate selection, integration various functional layers. By collating analyzing dedicated research endeavors, illuminates current landscape addressing challenges surrounding stability. Furthermore, it provides valuable insights obstacles bottlenecks that demand attention innovative solutions field

Language: Английский

Citations

28
Annual research review of perovskite solar cells in 2023 DOI Creative Commons

Qisen Zhou,

Xiaoxuan Liu, Zonghao Liu

et al.

Materials Futures, Journal Year: 2024, Volume and Issue: 3(2), P. 022102 - 022102

Published: April 24, 2024

Abstract Perovskite (PVK) solar cells (PSCs) have garnered considerable research interest owing to their cost-effectiveness and high efficiency. A systematic annual review of the on PSCs is essential for gaining a comprehensive understanding current trends. Herein, analysis papers reporting key findings in 2023 was conducted. Based results, were categorized into six classifications, including regular n–i–p PSCs, inverted p–i–n PVK-based tandem cells, PVK modules, device stability, lead toxicity green solvents. Subsequently, detailed overview summary advancements within each classification presented. Overall, this serves as valuable resource guiding future endeavors field PSCs.

Language: Английский

Citations

22
Perovskite Crystallization and Hot Carrier Dynamics Manipulation Enables Efficient and Stable Perovskite Solar Cells with 25.32% Efficiency DOI
Tai‐Sing Wu, Peng Wang,

Liangding Zheng

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(24)

Published: April 29, 2024

Abstract Modulating perovskite crystallization and understanding hot carriers (HCs) dynamics in films are very critical to achieving high‐performance solar cells (PSCs). Herein, a small organic molecule (6BAS) with multisite anchors (C═O) as an efficient additive is introduced into PbI 2 precursors modulate during two‐step sequential deposition. The chemical interaction between 6BAS enables more preferential crystal enlarged interplanar spacing of lattice, which beneficial the penetration ammonium salts layer complete conversion perovskite, consequently promoting realize high‐quality larger grain size reduced defect state. By ultrafast spectroscopy, it found that incorporation can efficiently prolong HCs cooling, helps enhance transfer retard charge carrier recombination device. As result, doped‐PSCs efficiency significantly enhances 25.32% from 22.91%. target device achieves enhanced long‐term stability. Only 6% degradation realized for un‐encapsulated after 70 days under N . Meanwhile, 6BAS‐treated retains 95% its initial PCE 1160 h operation at maximum power point continuous AM 1.5 G illumination.

Language: Английский

Citations

18
Tailoring pyridine bridged chalcogen-concave molecules for defects passivation enables efficient and stable perovskite solar cells DOI Creative Commons
Muhammad Azam, Yao Ma, Boxue Zhang

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Jan. 11, 2025

Suppressing deep-level defects at the perovskite bulk and surface is indispensable for reducing non-radiative recombination losses improving efficiency stability of solar cells (PSCs). In this study, two Lewis bases based on chalcogen-thiophene (n-Bu4S) selenophene (n-Bu4Se) having tetra-pyridine as bridge are developed to passivate in film. The uncoordinated Pb2+ iodine vacancy can interact with chalcogen-concave group pyridine through formation acid-base adduct, particularly both be surrounded by concave molecules, resulting effective suppression charge recombination. This approach enables a power conversion (PCE) high 25.37% (25.18% certified) n-i-p PSCs stable operation 65 °C 1-sun illumination 1300 hours N2 (ISOS-L-2 protocol), retaining 94% initial efficiency. Our work provides insight into bowl-shaped base passivation coordinated strategy high-performance photovoltaic devices.

Language: Английский

Citations

3
Highly Efficient and Stable Flexible Perovskite Solar Cells Enabled by Alkylammonium Acetate Modification with Varied Dipole Moments DOI Open Access
Yumeng Xu, Siyu Zhang, Haidong Yuan

et al.

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

Published: Jan. 28, 2025

Abstract Interface modification with the ability to passivate defects and regulate interface energy level is an important method maximize photovoltaic performance of perovskite solar cells (PSCs). Herein, through modifying between hole transport layer via different alkylammonium acetate ionic liquid molecules varied dipole moments, efficient stable PSCs are achieved. Especially, hexylammonium (HAAc) high moment can reduce difference facilitate extraction loss. In addition, HAAc has a strong chemical binding both acceptor donor on surfaces synergistic passivation HA + cation Ac − anion, thereby reducing defect‐assisted recombination. The combined effects modulation defect suppression lead overall enhancement in device performance. best HAAc‐passivated reaches efficiency up 25.06% maintains > 97.30% initial for 1000 h air 30 ± 10% humidity. flexible exhibit excellent mechanical stability, remaining above 71% value after 10 000 bending cycles at small radius 5 mm.

Language: Английский

Citations

2
Interface Reactive Sputtering of Transparent Electrode for High‐Performance Monolithic and Stacked Perovskite Tandem Solar Cells DOI

Yiman Dong,

Runnan Yu,

Gangfeng Su

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(26)

Published: April 14, 2024

Sputtered indium tin oxide (ITO) fulfills the requirements of top transparent electrodes (TTEs) in semitransparent perovskite solar cells (PSCs) and stacked tandem (TSCs), as well recombination layers monolithic TSCs. However, high-energy ITO particles will cause damage to devices. Herein, interface reactive sputtering strategy is proposed construct cost-effective TTEs with high transmittance excellent carrier transporting ability. Polyethylenimine (PEI) chosen reactant that can react sputtered nanoparticles, so that, coordination compounds be formed during deposition process, facilitating transport at C

Language: Английский

Citations

16
Improving the Efficiency and Stability of MAPbI3 Perovskite Solar Cells by Dipeptide Molecules DOI
Mingya Li,

Ziyao Yue,

Zecong Ye

et al.

Small, Journal Year: 2024, Volume and Issue: 20(25)

Published: Jan. 9, 2024

Abstract Passivating the electronic defects of metal halide perovskite is regarded as an effective way to improve power conversion efficiency (PCE) solar cells (PVSCs). Here, a series dipeptide molecules with abundant ─C═O, ─O─ and ─NH functional groups passivators for films are employed. These utilized treat surface prototype methyl ammonium lead iodide (MAPbI 3 ) corresponding PVSCs exhibit enhanced photovoltaic performance ambient stability, which can be ascribed to: 1) ─C═O interact undercoordinated Pb 2+ ions form hydrogen bonds I − ions, passivating in film reducing charge recombination PVSCs; 2) long alkyl chain increases hydrophobicity thus enhance stability PVSCs. The passivated MAPbI ‐based champion PCE 20.3% retain 60% initial after 1000 h. It believed that passivation engineering using polypeptide moleculars applied other compositions high device stability.

Language: Английский

Citations

15