Advancements in Perovskites for Solar Cell Commercialization: A Review

Advanced Powder Materials, Journal Year: 2025, Volume and Issue: unknown, P. 100275 - 100275

Published: Feb. 1, 2025

Language: Английский

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Preferred Crystallographic Orientation via Solution Bathing for High‐Performance Inverted Perovskite Photovoltaics

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(46)

Published: June 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

Language: Английский

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Tailoring Interfacial Dipole Molecules to Mitigate Carrier and Energy Losses in Perovskite Solar Cells

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

Published: Sept. 11, 2024

Abstract Interface engineering has become the mainstream for improving performance of perovskite solar cells (PSCs). Interfacial dipole (ID) molecules have emerged as a feasible and effective strategy to alleviate charge carrier loss energy in PSCs. Here, three symmetrical donor–acceptor interfacial (named PzT, PzTE, PzTN) are designed synthesized with identical hole transport backbone different anchoring groups. The ID molecule is introduced into interface between layer layer. moments regulate surface work function energy‐level alignment perovskites, improve extraction, reduce at interface. Meanwhile, groups coordinate defects on PVK HTL, trap state density accumulation, mitigate non‐radiative recombination losses. As result, PzTN‐modified PSC achieved champion power conversion efficiency 25.34% photovoltage 1.176 V fill factor (FF) 83.27%, accompanied by almost undetectable hysteresis excellent operating stability. This research demonstrates efficient stable PSCs molecules.

Language: Английский

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Constructing quasi-2D perovskite to collect hot carriers to reduce open-circuit voltage loss for efficient inverted perovskite solar cells

Science China Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

Language: Английский

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Decoupling Nucleation and Growth of Crystal for DMSO‐Free Self‐Assembly Tin Perovskite Films and Their Optoelectronic Application

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

Published: Jan. 10, 2025

Abstract Tin (Sn)‐based perovskites show significant potential in lead‐free perovskite optoelectronics. Currently, the spin‐coating method combining DMSO co‐solvent and antisolvent‐dropping has been adopted to produce Sn‐based films. However, intrinsically oxidizes Sn 2+ while fast causes serious coupling between crystal nucleation growth, leading easy formation of defects poor stability Herein, hydrazine acetate (HAAc) ionic salt, possessing strong coordination ability with , is developed stabilize decouple crystallization by promoting pre‐formed crystals (PFCs) precursor solution enabling self‐assembly PFCs during spin‐coating. The HA x FA 1‐x SnI 3 films fabricated this technique tunable bandgap, low defect density, oriented crystals, producing optoelectronic devices decent photovoltaic electroluminescence performance. DMSO‐free one‐step film‐forming enabled HAAc‐assisted decoupling can open up new avenues for facile low‐cost manufacturing efficient stable adopting

Language: Английский

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Stabilized Intermediate Phase Via Pseudo‐Halide Anions Toward Highly Efficient and Light‐Soaking Stable Perovskite Solar Cells

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

Published: Feb. 17, 2025

Abstract Long‐term stability remains challenging due to persistent defects within the perovskite material, particularly at buried interfaces. Strategies address these issues have focused on refining interfaces and managing residual lead iodide (PbI 2 ), which impedes electron transport compromises under prolonged light exposure. This study explores impact of formate (PbFo ) treatment SnO transporting layer (ETL) substrates its subsequent influence performance solar cells (PSCs). The carboxylate functionality Fo − ions exerts multifaceted effects, influencing not only electrical properties ETL but also morphological characteristics crystallization mechanism overlying film. ionized aid in forming bulk as intermediate phases during crystallization. By stabilizing phases, their incorporation suppresses indiscriminate phase transitions from δ ‐phase α perovskite, ensuring production highly crystalline pure with alleviated tensile strain throughout film, near interface. Consequently, strategy showcases enhanced a power conversion efficiency (PCE) 25.69% enables refined interface, devoid PbI , long‐term continuous light‐soaking for 1,000 h. Overall, PbFo stands pioneering approach poised expedite commercialization.

Language: Английский

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Improved photoelectric performance of perovskite solar cells with interfacial dipole molecules

Science China Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: March 19, 2025

Language: Английский

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Synergistic Improvement of Structural Ordering and Interface Binding of Hole Transport Monolayer for Efficient Inverted Perovskite Solar Cells

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

Published: March 24, 2025

Abstract The widespread application of self‐assembled monolayer (SAM) hole transport materials has driven rapid advancements in the performance inverted perovskite solar cells (PSCs). However, difficulty achieving a highly ordered SAM for and weak binding strength between layer not only leads to defective bottom interface but also reduces compatibility with large‐area device fabrication. In this work, co‐assembled molecule functionalized diamide terminal group is demonstrated that able form supramolecular interaction popular carbazole‐based SAMs regulating their structural ordering, improve chemical bonding Pb‐I frameworks synergistically, which enables efficient long‐term stable PSCs. As result, target contributes champion small‐area power conversion efficiency (PCE) 25.3% (certified 25.0%), demonstrates good fabrication by reproducible performances 1.02 cm 2 devices. encapsulated devices exhibit stability 92.8% 91.2% initial PCE after 1500 hours aging under 85 °C maximum point (MPP) tracking at 65 hours, respectively.

Language: Английский

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Perovskite Seeding Approach of Two-Step Sequential Deposition for Efficient Solar Cells

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(10), P. 4540 - 4548

Published: May 6, 2024

High-quality perovskite film is critical for efficient solar cells. However, it still challenging to obtain high-quality perovskites processed with the sequential deposition method since intercalation between lead diiodide and formamidinium-iodide-rich salts always hampered by unfavorable formation pathways. Herein, we report a seeding approach tailor pathway making biguanide-hydrochloride-containing two-dimensional before salt deposition, which renders films exhibiting improved crystallinities surface morphologies. Specifically, crystallization of greatly enhanced, average grain size increased 2.5 times. Meanwhile, this tailored biguanide-hydrochloride agents has led present at boundaries resultant perovskite, serving as passivation agent. Our results show good energy level alignment absorbers. As result, champion power conversion efficiency 22.12% obtained. The nonencapsulated device retains 94.69% initial after 600 h storage in air (relative humidity <30% 25 °C). Hence, our finding opens an avenue fabricating high-performance

Language: Английский

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Synergistic Toughening and Strain Releasing Strategy in Metal Halide Perovskite Photovoltaics

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

Published: Aug. 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.

Language: Английский

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