Manipulation of Interface Recombination via Multi‐Site Passivator for Efficient Inverted Perovskite Solar Cells and Modules DOI

Weifu Zhang,

Chunxian Xing, Wei Song

и другие.

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 1, 2025

Abstract Perovskite solar cells (PSCs) have shown remarkable progress in laboratory‐scale devices, but their scalability to large‐area perovskite modules (PSMs) remains challenging due significant performance loss. Here, a multi‐site passivation strategy is reported by employing Bis(2,5‐dioxopyrrolidin‐1‐yl) 2,2′‐(propane‐2,2‐diylbis(sulfanediyl)) diacetate (TK‐NHS) as an interfacial modifier address the critical issues of interface recombination and stability both PSCs PSMs. TK‐NHS effectively inactivates common defects, modifying surface films through synergistical interactions. Additionally, stable dipole layer formed at optimizes energy level alignment, facilitating efficient electron extraction transport. The resulting film exhibited smoother more homogeneous surface, thus improving contact reducing nonradiative recombination. Consequently, TK‐NHS‐treated achieved champion power conversion efficiency (PCE) 26.16%, with significantly improved open‐circuit voltage ( V oc ) 1.188 fill factor (FF) 85.3%. scalable potential this has been verified corresponding PSMs, delivering impressive PCE 22.25%. Notably, devices exceptional operational stability, retaining 91.4% 90% initial after 1000 800 h continuous illumination, respectively. Thereby advancing scaled‐up production modules.

Язык: Английский

Highly Efficient and Scalable p-i-n Perovskite Solar Cells Enabled by Poly-metallocene Interfaces DOI Creative Commons
Bo Li, Danpeng Gao, Stephanie A. Sheppard

и другие.

Journal of the American Chemical Society, Год журнала: 2024, Номер 146(19), С. 13391 - 13398

Опубликована: Май 1, 2024

Inverted p-i-n perovskite solar cells (PSCs) are easy to process but need improved interface characteristics with reduced energy loss prevent efficiency drops when increasing the active photovoltaic area. Here, we report a series of poly ferrocenyl molecules that can modulate surface enabling construction small- and large-area PSCs. We found perovskite–ferrocenyl interaction forms hybrid complex enhanced coordination strength activated electronic states, leading lower interfacial nonradiative recombination charge transport resistance losses. The resulting PSCs achieve an up 26.08% for small-area devices 24.51% (1.0208 cm2). Moreover, maintain >92% initial after 2000 h continuous operation at maximum power point under 1-sun illumination 65 °C.

Язык: Английский

Процитировано

30

Bifunctional ligand-induced preferred crystal orientation enables highly efficient perovskite solar cells DOI
Xingcheng Li, Shuang Gao, Xin Wu

и другие.

Joule, Год журнала: 2024, Номер 8(11), С. 3169 - 3185

Опубликована: Авг. 13, 2024

Язык: Английский

Процитировано

21

Constructing Stable Perovskite with Small Molecule Bridge Interface Passivation DOI Open Access
Kai Wang,

Bo Yu,

Changqing Lin

и другие.

Advanced Energy Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 5, 2025

Abstract The interfaces of each layer in perovskite solar cells (PSCs) have a significant impact on the charge transfer and recombination. Especially, interface between hole transport (HTL) p‐i‐n type PSCs significantly affects contact characteristics HTL perovskite, hindering further improvements performance stability. Herein, small molecule 9‐Fluorenylmethoxycarbonyl chloride (9‐YT) is introduced as bridge for PSCs, which enhances interaction self‐assembly molecules (SAMs) perovskite. conjugated backbone 9‐YT can interact with SAM (MeO‐2PACz) by π–π stacking reaction. Moreover, also improves interfacial through strong interactions where carbonyl groups Cl atoms uncoordinated Pb 2+ layer. incorporation demonstrated to markedly enhance extraction at perovskite/hole interface, optimize energy level alignment, mitigate recombination, passivate defects Finally, device treated achieves power conversion efficiency (PCE) 24.82%. At same time, still maintain 92.6% original PCE after long‐term stability test 1200 h.

Язык: Английский

Процитировано

4

Chemical passivation and grain-boundary manipulation via in situ cross-linking strategy for scalable flexible perovskite solar cells DOI Creative Commons

Weifu Zhang,

Juanjuan Li,

Wei Song

и другие.

Science Advances, Год журнала: 2025, Номер 11(5)

Опубликована: Янв. 31, 2025

Flexible perovskite solar cells (f-PSCs) are considered the most promising candidates in portable power applications. However, high sensitivity of crystallization on substrate and intrinsic brittleness usually trade off performance f-PSCs. Herein, we introduced an initiator-free cross-linkable monomer (2,5-dioxopyrrolidin-1-yl) 5-(dithiolan-3-yl)pentanoate (FTA), which can chemically passivate defects enable real-time fine regulation crystallization. The resulting film exhibited higher crystallinity, enlarged grain size, reduced dependence substrate. In addition, cross-linked FTA [CL(FTA)] distributed along boundaries effectively released residual stress securely bound grains together. Consequently, CL(FTA)-modified flexible PSCs achieved a record-breaking efficiency 24.64% (certified 24.08%). Moreover, scalable potential has been verified by corresponding rigid modules, delivering impressive efficiencies 19.53 17.13%, respectively. Furthermore, optimized device demonstrated bending durability improved operational stability, thereby advancing progress f-PSCs toward industrialization.

Язык: Английский

Процитировано

3

Preferred Crystallographic Orientation via Solution Bathing for High‐Performance Inverted Perovskite Photovoltaics DOI
Xinyue Zhang,

Chuanzhen Shang,

Chenyun Wang

и другие.

Advanced Functional Materials, Год журнала: 2024, Номер 34(46)

Опубликована: Июнь 27, 2024

Abstract The meticulous control of crystal facets in polycrystalline perovskite films offers valuable insights into the photoelectric properties, varying significantly with different orientations. Exploring effective means to regulate these is crucial, and further revealing underlying mechanisms needed. Here, research employed green solution bathing obtain high‐quality preferred crystallographic orientation. In brief, eco‐friendly 2‐pentanol used as solvent, functional molecules 2‐(dimethylaminomethyl)‐4‐(2‐aminoethylthiomethyl)thiazole (DAT) are introduced solute. By introducing DAT molecules, precise over nucleation kinetics achieved, resulting a preferential (100) facet Conversely, without exhibited distinct (111) regulation on film verified through theoretical analyses. Theoretical calculations show that S atom binds most strongly FAPbI 3 , promoting surface energy reduction thermodynamic enhancement, favoring Crystallographic characterization proved effect. addition, PL/TRPL tests confirm superior properties (100)‐oriented films. work introduces novel approach preparation process for regulating orientation

Язык: Английский

Процитировано

16

Crystallization Modulation and Holistic Passivation Enables Efficient Two-Terminal Perovskite/CuIn(Ga)Se2 Tandem Solar Cells DOI Creative Commons
Cong Geng,

Kuanxiang Zhang,

Changhua Wang

и другие.

Nano-Micro Letters, Год журнала: 2024, Номер 17(1)

Опубликована: Сен. 22, 2024

Abstract Two-terminal (2-T) perovskite (PVK)/CuIn(Ga)Se 2 (CIGS) tandem solar cells (TSCs) have been considered as an ideal cell because of their best bandgap matching regarding to Shockley–Queisser (S–Q) limits. However, the nature irregular rough morphology commercial CIGS prevents people from improving device performances. In this paper, D-homoserine lactone hydrochloride is proven improve coverage PVK materials on surfaces and also passivate bulk defects by modulating growth crystals. addition, minority carriers near PVK/C60 interface incompletely passivated trap states caused recombination. A surface reconstruction with 2-thiopheneethylammonium iodide N , -dimethylformamide assisted passivates defect sites located at grain boundaries. Meanwhile, LiF used create field effect, repelling hole away C60 thus reducing As a result, 2-T PVK/CIGS yielded power conversion efficiency 24.6% (0.16 cm ), one highest results for TSCs our knowledge. This validation underscores potential methodology in achieving superior performance cells.

Язык: Английский

Процитировано

14

Optimization of Charge Extraction and Interconnecting Layers for Highly Efficient Perovskite/Organic Tandem Solar Cells with High Fill Factor DOI

Xin Wu,

Dong Zhang, Baoze Liu

и другие.

Advanced Materials, Год журнала: 2024, Номер 36(49)

Опубликована: Сен. 23, 2024

Abstract Perovskite/organic tandem solar cells (POTSCs) have garnered significant attention due to their potential for achieving high photovoltaic (PV) performance. However, the reported power conversion efficiencies (PCEs) and fill factors (FFs) are still subpar challenges associated with charge extraction in organic bulk‐heterojunction (BHJ) energy losses interconnecting layers (ICLs). Here, a quaternary BHJ blend is developed enhance subcell, contributing an increased FF of ≥78% under 1 sun illumination even more lower intensities. Meanwhile, ICLs reduced via incorporation self‐assembly monolayer (SAM), (4‐(3,6‐Dimethyl‐9H‐carbazol‐9‐yl)butyl)phosphonic acid (Me‐4PACz), form MoO x /SAM interface thorough control thickness suppress parasitic absorption. The resultant POTSCs achieve remarkable PCE 25.56% (certified: 24.65%), record 83.62%, which among highest PCEs all types perovskite‐based (TSCs) till now. This work proves optimization effective strategies promote performance surpass other solution‐processed TSCs near future.

Язык: Английский

Процитировано

12

Highly Efficient Monolithic Perovskite/TOPCon Silicon Tandem Solar Cells Enabled by “Halide Locking” DOI Open Access

Lina Wang,

Ning Wang, Xin Wu

и другие.

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 2, 2025

Abstract Perovskite/silicon tandem solar cells (TSCs) are promising candidates for commercialization due to their outstanding power conversion efficiencies (PCEs). However, controlling the crystallization process and alleviating phases/composition inhomogeneity represent a considerable challenge perovskite layers grown on rough silicon substrates, ultimately limiting efficiency stability of TSC. Here, this study reports “halide locking” strategy that simultaneously modulates nucleation crystal growth wide bandgap perovskites by introducing multifunctional ammonium salt, thioacetylacetamide hydrochloride (TAACl), bind with all types cations anions in mixed halide precursor. The approach not only enables excellent compositional uniformity wet‐film stage but also induces preferred orientation along (001) plane following nucleation, leading enhanced homogeneity film both vertical horizontal directions over long‐length scales. resulting wide‐bandgap yield exceptional open‐circuit voltage‐fill factor products ( V OC × FF) 1.074 1.040 small‐ (0.0414 cm 2 ) large‐area (1.0208 devices, respectively. Corresponding based Tunnel Oxide Passivated Contact (TOPCon) subcells achieve record PCE 31.32% remarkable 1.931 FF 81.54%.

Язык: Английский

Процитировано

2

Enhancing Interfacial Contact for Efficient and Stable Inverted Perovskite Solar Cells and Modules DOI Open Access

Zhengtian Tan,

Wenguang Liu, Rui Chen

и другие.

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 7, 2025

Abstract Defective perovskite surfaces severely limit the development of inverted solar cells (PSCs). Here, impacts surface treatment are systematically investigated with organic ammonium salts, namely piperidinium iodide (PpI) and piperazinedihydroiodide (PDI), on performance formamidinium‐cesium (FACs)‐based PSCs. These results indicate that PpI, its high dipole moment, tends to form 1D structures surface, which hinders electron transport. By contrast, PDI post‐treatment does not lead formation such structures; instead, it forms a thin passivation layer homogenizes electric potential across surface. This merit in favorable alignment energy levels significant reduction non‐radiative recombination at perovskite/electron transport interface. As result, module (PSM) achieved power conversion efficiency (PCE) 22.08% an aperture area 11.1 cm 2 (certified 21.58%), showing low‐efficiency discrepancy versus small‐area counterpart 25.09%. Notably, PSM can maintain 92.5% initial PCE after continuous 1000 h 1‐sun operation 65 °C ambient air.

Язык: Английский

Процитировано

2

Stability and reliability of perovskite photovoltaics: Are we there yet? DOI Creative Commons
Kenedy Tabah Tanko, Zhen Tian, Sonia R. Raga

и другие.

MRS Bulletin, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

The power-conversion efficiency (PCE) of perovskite solar cells (PSCs) has exceeded in 2024 the theoretical single-junction Shockley-Queisser limit 33.7% with perovskite/silicon tandem version. commercialization technology is now a reality PV industry demonstrating its first commercial products. Many companies have shown excellent module reliability most them passing IEC standardization (required for silicon cells). In this article, we want to bring some light on intriguing question regarding stability and PSC technology: Are there yet? Issues are still under strong investigation research topic increased exponentially last 10 years. Since already promised their modules, 80% retention initial PCE after 25 years, following two or three years will be crucial demonstrate these pledges. work, present an outline stable devices reported date discuss important strategies leading highly devices. online version contains supplementary material available at 10.1557/s43577-025-00863-5.

Язык: Английский

Процитировано

2