Pb/Sn-Based Perovskite Heterojunction for Hole Transport Layer-Free Carbon-Based Perovskite Solar Cells DOI

Lingcong Li,

Zhujie Wu,

Jin Hee Hong

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(9), P. 4240 - 4247

Published: Aug. 2, 2024

The construction of heterojunctions has been proven to be effective in optimizing the interface energy structure and passivating defect states perovskite solar cells (PSCs). Tin (Sn)-based perovskites have demonstrated good hole extraction capability are promising candidates form with Pb-based facilitate charge transfer. Here, we propose a strategy for situ Pb/Sn-based by solution method. First, films an FAI-rich surface prepared. Subsequently, thin layer FA2SnI6 is formed SnI4 post-treatment, resulting heterojunction. formation heterojunction reduces also yields optimized interfacial level alignment, which facilitates carrier separation process nonradiative recombination loss. Finally, efficiency 19.89% achieved planar carbon-based without transport layer.

Language: Английский

Achievements, challenges, and future prospects for industrialization of perovskite solar cells DOI Creative Commons
Chuang Yang,

Wenjing Hu,

Jiale Liu

et al.

Light Science & Applications, Journal Year: 2024, Volume and Issue: 13(1)

Published: Sept. 3, 2024

Abstract In just over a decade, certified single-junction perovskite solar cells (PSCs) boast an impressive power conversion efficiency (PCE) of 26.1%. Such outstanding performance makes it highly viable for further development. Here, we have meticulously outlined challenges that arose during the industrialization PSCs and proposed their corresponding solutions based on extensive research. We discussed main in this field including technological limitations, multi-scenario applications, sustainable development, etc. Mature photovoltaic provide community with invaluable insights overcoming industrialization. upcoming stages advancement, has become evident addressing concerning long-term stability sustainability is paramount. manner, can facilitate more effective integration into our daily lives.

Language: Английский

Citations

54
Perovskite solar cells with high-efficiency exceeding 25%: A review DOI Creative Commons
Fengren Cao,

Liukang Bian,

Liang Li

et al.

Energy Materials and Devices, Journal Year: 2024, Volume and Issue: 2(1), P. 9370018 - 9370018

Published: Feb. 2, 2024

Metal halide perovskite solar cells (PSCs) are one of the most promising photovoltaic devices. Over time, many strategies have been adopted to improve PSC efficiency, and certified efficiency has reached 26.1%. However, only a few research groups fabricated PSCs with an >25%, indicating that achieving this remains uncommon. To develop industry, outstanding talent must be reserved latest technologies. Herein, we summarize recent developments in high-efficiency (>25%) highlight their effective crystal regulation, interface passivation, component layer structural design. Finally, propose perspectives based on current further enhance promote commercialization process PSCs.

Language: Английский

Citations

33
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

26
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

22
Crystallization control via ligand–perovskite coordination for high-performance flexible perovskite solar cells DOI
Xin Chen,

Weilun Cai,

Tianqi Niu

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(17), P. 6256 - 6267

Published: Jan. 1, 2024

Crystallization kinetics modulation of high-performance flexible perovskite photovoltaics achieving autonomous energy generation under outdoor settings.

Language: Английский

Citations

22
Suppressing wide-angle light loss and non-radiative recombination for efficient perovskite solar cells DOI

Yansong Ge,

Likai Zheng, Haibing Wang

et al.

Nature Photonics, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Language: Английский

Citations

10
Regulating Crystal Orientation via Ligand Anchoring Enables Efficient Wide‐Bandgap Perovskite Solar Cells and Tandems DOI
Hongling Guan, Shun Zhou,

Shiqiang Fu

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(1)

Published: Nov. 13, 2023

Wide-bandgap (WBG) perovskite solar cells have attracted considerable interest for their potential applications in tandem cells. However, the predominant obstacles impeding widespread adoption are substantial open-circuit voltage (V

Language: Английский

Citations

44
Crystallization Regulation and Defect Passivation for Efficient Inverted Wide‐Bandgap Perovskite Solar Cells with over 21% Efficiency DOI Open Access

Gangfeng Su,

Runnan Yu,

Yiman Dong

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(4)

Published: Nov. 30, 2023

Abstract Wide‐bandgap (WBG) perovskite solar cells (PSCs) have drawn great attention owing to their promising potential for constructing efficient tandem cells. However, the rapid crystallization results in poor film properties and easy formation of defects, thereby greatly restricting acquisition a small open‐circuit voltage ( V OC ) deficit due severe nonradiative recombination. Herein, it introduced triethanolamine borate (TB) effectively slow down preparing highly crystalline uniform WBG films with reduced defects. The strong intermolecular interaction (e.g., coordination hydrogen bond) between TB can suppress halide vacancy inhibit phase segregation improving long‐term stability. devices based on 1.65 eV absorber achieved high efficiency 21.55% 1.24 V, demonstrating is as low 0.41 which one lowest reports. By combining semitransparent subcell narrow‐bandgap tin‐based PSC, four‐terminal cell delivers 26.48%.

Language: Английский

Citations

25
Unifying Crystal Growth and Defect Passivation in Photovoltaic Perovskites: The Impact of Molecular Coordinating Strength DOI
Fazheng Qiu, Haoliang Cheng, Peng Mao

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(3), P. 1115 - 1124

Published: Feb. 22, 2024

Perovskite solar cells (PSCs) are attractive due to their fast-increasing device efficiency, yet further improvement is limited by suboptimal morphology and intrinsic defects. To assess how the widely used additive engineering impacts crystal growth defect passivation, we herein propose a simple but effective strategy disentangle influence of molecular coordinating strength on above factors, respectively. By fine-tuning single halide atom molecule, can transform functional role from only normal passivator into plus crystal-growth modifier, rendered tailored competition between precursor–solvent precursor–additive interactions. Thus, optimized PSCs leveraged deliver PCE over 24% with improved stability. The unified passivation under impact here provides new insights designing molecules interest push envelope PSCs' efficiency.

Language: Английский

Citations

16
Room Temperature Ionic Liquid Capping Layer for High Efficiency FAPbI3 Perovskite Solar Cells with Long‐Term Stability DOI Creative Commons
Qiang Lou, Xinxin Xu, X. J. Lv

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(19)

Published: March 13, 2024

Abstract Ionic liquid salts (ILs) are generally recognized as additives in perovskite precursor solutions to enhance the efficiency and stability of solar cells. However, success ILs incorporation is highly dependent on formulation crystallization process, posing challenges for industrial‐scale implementation. In this study, a room‐temperature spin‐coated IL, n‐butylamine acetate (BAAc), identified an ideal passivation agent formamidinium lead iodide (FAPbI 3 ) films. Compared with other methods, BAAc capping layer (BAAc RT) demonstrates more uniform thorough surface defects FAPbI perovskite. Additionally, it provides better energy level alignment hole extraction. As result, champion n–i–p cell exhibits power conversion (PCE) 24.76%, open‐circuit voltage (Voc) 1.19 V, Voc loss ≈330 mV. The PCE mini‐module RT reaches 20.47%, showcasing effectiveness viability method manufacturing large‐area Moreover, also improves long‐term unencapsulated cells, enabling T80 lifetime 3500 h when stored at 35% relative humidity room temperature air atmosphere.

Language: Английский

Citations

14