Surface reaction for efficient and stable inverted perovskite solar cells

Rubidium iodide (RbI, 99.99%), caesium iodide (CsI, 99.99%), lead iodide (PbI2, 99.999%) and 3-APy were purchased from Sigma-Aldrich. Organic salts of formamidinium iodide (FAI) and methylammoniu.
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Surface reaction for efficient and stable inverted perovskite solar cells

Perovskite solar cells (PSCs) with an inverted structure (often referred to as the p-i-n architecture) are attractive for future commercialization owing to their easily scalable fabrication, reliable operation and compatibility with a wide range of perovskite-based tandem device architectures 1,2.However, the power conversion efficiency (PCE) of p-i-n PSCs falls behind that of n-i-p (or

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Efficient and Stable Inverted Perovskite Solar Cells Incorporating

Sep 30, 2019· Implementing perovskites as the front cell requires an inverted (p–i–n) architecture; this architecture is particularly effective at harnessing high-energy photons and is compatible with ionic-dopant-free transport layers. Here, a power conversion efficiency of 21.6% is reported, the highest among inverted perovskite solar cells (PSCs).

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Reinforcing self-assembly of hole transport molecules for stable

Mar 14, 2024· One approach for improving the power conversion efficiencies (PCEs) of inverted perovskite solar cells (PSCs) has been to use self-assembled monolayers (SAMs), such as [2-(9H-carbazol-9-yl)ethyl]phosphonic acid (2PACz) and its derivatives, as hole transport materials (HTMs) (1, 2).The main reasons why SAMs enhance PCEs compared with commonly used

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Double-side 2D/3D heterojunctions for inverted perovskite solar cells

Feb 21, 2024· With this, inverted perovskite solar cells with double-side 2D/3D heterojunctions achieved a power conversion efficiency of 25.6% (certified 25.0%), retaining 95% of their initial power conversion

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Surface reaction for efficient and stable inverted perovskite solar cells

Abstract. Perovskite solar cells (PSCs) with an inverted structure (often referred to as the p-i-n architecture) are attractive for future commercialization owing to their easily scalable fabrication, reliable operation and compatibility with a wide range of perovskite-based tandem device architectures 1,2.However, the power conversion efficiency (PCE) of p-i-n PSCs falls behind

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What is the inverted perovskite architecture?

The inverted perovskite architecture is known for its high stability and integration into tandem solar cells. The NREL-led team also added a new molecule, 3- (Aminomethyl) pyridine (3-APy), to the surface of the perovskite.

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Is a reactive surface engineering approach based on a perovskite thin film?

Here we report a reactive surface engineering approach based on a simple post-growth treatment of 3- (aminomethyl)pyridine (3-APy) on top of a perovskite thin film.

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Surface passivation for efficient and stable perovskite solar cells

Mar 1, 2024· Over the last decade, perovskite solar cells (PSCs) have achieved a certified power conversion efficiency (PCE) exceeding 26.1%, rivalling that of silicon-based solar cells [[1], [2], [3], [4]] spite this advancement, the stability of PSCs remains a concern due to the presence of numerous defects, such as MA + vacancies, I − vacancies, and uncoordinated Pb 2+, in the

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Surface reaction for efficient and stable inverted perovskite solar

Sep 1, 2022· Here, we report a reactive surface engineering approach based on a simple post-growth treatment of 3- (Aminomethyl)pyridine (3-APy) on top of a perovskite thin film. First, the

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News Release: NREL-Led Breakthrough Pushes Perovskite Cell

Sep 1, 2022· The inverted perovskite architecture is known for its high stability and integration into tandem solar cells. The NREL-led team also added a new molecule, 3-(Aminomethyl)

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Surface reaction for efficient and stable inverted perovskite

A post-growth treatment of 3-APy on perovskite surface reduces defects, dopes n-type, and improves charge extraction. The resulting p-i-n PSCs achieve over 25% PCE and 87% stability

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Surface reaction for efficient and stable inverted perovskite solar cells.

Sep 1, 2022· Perovskite solar cells (PSCs) with an inverted structure (often referred to as the p-i-n architecture) are attractive for future commercialization owing to their easily scalable fabrication, reliable operation and compatibility with a wide range of perovskite-based tandem device architectures 1,2.However, the power conversion efficiency (PCE) of p-i-n PSCs falls behind

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Molecule-triggered strain regulation and interfacial passivation for

Aug 30, 2024· Surface reaction for efficient and stable inverted perovskite solar cells. Nature, 611 (2022), pp. 278-283, 10.1038/s41586-022-05268-x. Suppressing nickel oxide/perovskite interface redox reaction and defects for highly performed and

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Improved charge extraction in inverted perovskite solar cells with

Apr 11, 2024· The certified power conversion efficiency (PCE) of perovskite solar cells (PSCs) has reached an impressive 25.7% ().Nevertheless, the most-efficient PSCs, fabricated in the nip architecture, have yet to achieve the needed operating stability under accelerated aging tests (1, 2) verted (pin) PSCs, which do not rely on p-type dopants in their hole-transporting layers

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Surface Lattice Engineering Enables Efficient Inverted Perovskite Solar

Sep 30, 2024· Download Citation | Surface Lattice Engineering Enables Efficient Inverted Perovskite Solar Cells | State‐of‐the‐art inverted perovskite solar cells (PSCs) have exhibited considerable

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Bimolecularly passivated interface enables efficient and stable

Nov 16, 2023· Compared with the n-i-p structure, inverted (p-i-n) perovskite solar cells (PSCs) promise increased operating stability, but these photovoltaic cells often exhibit lower power conversion efficiencies (PCEs) because of nonradiative recombination losses, particularly at the perovskite/C 60 interface. We passivated surface defects and enabled reflection of minority

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Surface reaction for efficient and stable inverted perovskite solar

Sep 1, 2022· Bimolecularly passivated interface enables efficient and stable inverted perovskite solar cells. Compared with the n-i-p structure, inverted (p-i-n) perovskite solar cells (PSCs)

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A Surface‐Reconstructed Bilayer Heterojunction Enables Efficient

Oct 3, 2024· Abstract The efficiency of perovskite photovoltaics remains distant from their theoretical limits, primarily due to high photovoltage losses. A Surface-Reconstructed Bilayer Heterojunction Enables Efficient and Stable Inverted Perovskite Solar Cells. Xueliang Zhu, Xueliang Zhu. School of Physics and Technology, Hubei Luojia Laboratory, Key

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Molecule-triggered strain regulation and interfacial

Aug 30, 2024· A molecule-triggered strain regulation and interface passivation strategy via the [2 + 2] cycloaddition reaction of 6-bromocoumarin-3-carboxylic acid ethyl ester, which absorbs harmful UV light, is proposed to achieve strain regulation and reduce interface defects. The perovskite solar cell exhibits a champion efficiency of up to 26.32% (certified efficiency:

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Enhancing the efficiency and longevity of inverted perovskite solar

Jan 12, 2024· Chemical reactions at the interface between the perovskite and hole transport layer limit the performance of inverted solar cells. Li et al. insert a p-type antimony-doped tin oxide layer that

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Efficient and Moisture‐Stable Inverted Perovskite Solar Cells via n

Nov 23, 2022· Efficient and Moisture-Stable Inverted Perovskite Solar Cells via n-Type Small-Molecule-Assisted Surface Treatment and O of Y6 and JY16 can passivate halide vacancy defects by interacting with uncoordinated Pb 2+ located at the perovskite surface, breakthrough for the theoretical limit of silicon solar cell efficiency [>35%]), National

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Surface reaction for efficient and stable inverted perovskite solar

First, the 3-APy molecule selectively reacts with surface formamidinium ions, reducing perovskite surface roughness and surface potential fluctuations associated with surface steps and terraces.

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Surface reaction for efficient and stable inverted perovskite solar cells

Downloadable (with restrictions)! Perovskite solar cells (PSCs) with an inverted structure (often referred to as the p–i–n architecture) are attractive for future commercialization owing to their easily scalable fabrication, reliable operation and compatibility with a wide range of perovskite-based tandem device architectures1,2. However, the power conversion efficiency (PCE) of

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Minimizing buried interfacial defects for efficient inverted perovskite

Apr 27, 2023· In inverted PSCs, the perovskite absorber is deposited on a hole-transport layer (HTL), which plays an important role for the perovskite nucleation and heterojunction formation (17, 18) monly used solvents for solution-processing metal halide perovskites are amphiphilic small molecules such as N,N-dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) (), but

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Surface Reaction for Efficient and Stable Inverted Perovskite

A team of researchers from NREL and other institutions report a post-growth treatment of 3-APy that improves the PCE and stability of p–i–n perovskite solar cells. The treatment reduces

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A Surface-Reconstructed Bilayer Heterojunction Enables Efficient

DOI: 10.1002/adma.202409340 Corpus ID: 273101600; A Surface-Reconstructed Bilayer Heterojunction Enables Efficient and Stable Inverted Perovskite Solar Cells. @article{Zhu2024ASB, title={A Surface-Reconstructed Bilayer Heterojunction Enables Efficient and Stable Inverted Perovskite Solar Cells.}, author={Xueliang Zhu and Mubai Li and Kangwei

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Efficient and stable inverted perovskite solar cells with very high

Jul 8, 2021· Hybrid organic-inorganic halide perovskites are attractive photoelectric materials exhibiting the advantages of low cost and ease in manufacturing while exhibiting strong panchromatic sunlight absorption (), long carrier diffusion lengths (), and adjustable direct bandgaps ().The power conversion efficiencies (PCEs) of perovskite solar cells (PSCs)

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Robust chelated lead octahedron surface for efficient and stable

Sep 4, 2024· Here, the authors employ bidentate ligands to in-situ form lead iodide chelates layer for surface passivation, achieving device efficiency over 25% in perovskite solar cells.

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Highly Efficient and Scalable p-i-n Perovskite Solar Cells Enabled

May 1, 2024· Inverted p-i-n perovskite solar cells (PSCs) are easy to process but need improved interface characteristics with reduced energy loss to prevent efficiency drops when increasing the active photovoltaic area. Here, we report a series of poly ferrocenyl molecules that can modulate the perovskite surface enabling the construction of small- and large-area PSCs. We found that

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Silver coordination-induced n-doping of PCBM for stable and efficient

Jun 10, 2024· Zai, H. C. et al. Sandwiched electrode buffer for efficient and stable perovskite solar cells with dual back surface fields. Joule 5, 2148–2163 (2021). Article CAS Google Scholar

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Are perovskite solar cells suitable for commercialization?

Perovskite solar cells (PSCs) with an inverted structure (often referred to as the p–i–n architecture) are attractive for future commercialization owing to their easily scalable fabrication, reliable operation and compatibility with a wide range of perovskite-based tandem device architectures 1, 2.

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Recent progress in the development of high-efficiency inverted

May 5, 2023· Inverted perovskite solar cells (PSCs) with a p-i-n architecture are being actively researched due to their concurrent good stability and decent efficiency. Jiang, Q. et al. Surface reaction

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Surface Lattice Engineering Enables Efficient Inverted Perovskite Solar

Sep 30, 2024· Herein, a surface lattice engineering is developed by coupling surface unsaturated ions and regulating ion bonding lengths/angles to achieve efficient and stable inverted PSCs. The renovated surface lattice not only eliminates shallow/deep level defects on the surface of perovskite, but also enhances photo/thermal stability of the materials.

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Enhanced anchoring enables highly efficient and stable inverted

Jun 15, 2024· This can be explained by the hydrophobic effect of F 5 PhAI with multiple fluorine groups on the grain boundary and surface of perovskite, molecular "lock" strategy to achieve high-efficiency and stable inverted perovskite solar cells. CRediT authorship contribution statement focus on the highly efficient inverted perovskite solar

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Surface reaction for efficient and stable inverted perovskite solar

Here we report a reactive surface engineering approach based on a simple post-growth treatment of 3-(aminomethyl)pyridine (3-APy) on top of a perovskite thin film. First, the 3-APy molecule

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Hole-Transport Management Enables 23%-Efficient and Stable Inverted

Apr 30, 2023· NiOx-based inverted perovskite solar cells (PSCs) have presented great potential toward low-cost, highly efficient and stable next-generation photovoltaics. However, the presence of energy-level mismatch and contact-interface defects between hole-selective contacts (HSCs) and perovskite-active layer (PAL) still limits device efficiency improvement. Here, we report a

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Organometallic-functionalized interfaces for highly efficient inverted

Apr 21, 2022· Further enhancing the performance and stability of inverted perovskite solar cells (PSCs) is crucial for their commercialization. We report that the functionalization of multication and halide perovskite interfaces with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc 2), simultaneously enhanced the efficiency and stability of inverted PSCs.

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Surface reaction for efficient and stable inverted perovskite

1 Surface reaction for efficient and stable inverted perovskite solar cells 2 3 Qi Jiang, 1† Jinhui Tong, 1† Yeming Xian, 2 Ross A. Kerner, 1 Sean P. Dunfield, 3,4 Chuanxiao Xiao, 4

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About Surface reaction for efficient and stable inverted perovskite solar cells

About Surface reaction for efficient and stable inverted perovskite solar cells

Rubidium iodide (RbI, 99.99%), caesium iodide (CsI, 99.99%), lead iodide (PbI2, 99.999%) and 3-APy were purchased from Sigma-Aldrich. Organic salts of formamidinium iodide (FAI) and methylammoniu.

The perovskite composition is Rb0.05Cs0.

A mixture of 3-picolyamine (1.50 ml, 14.7 mmol) and ethanol (50 ml) was added to a.

The patterned transparent conducting oxide glass substrates (ITO or fluorine doped tin oxide [FTO]) were washed with acetone and isopropanol for 15 min each. After ultraviolet o.

KPFM measurements were performed on a D5000 atomic force microscope inside an argon-filled glovebox. We used a platinum–iridium-coated silicon probe (PPP-EFM.

XPS and UPS measurements were performed on a Kratos AXIS-Supra in the Surface Science Facility at the UC Irvine Materials Research Institute. X-ray radiation w.A simple reactive surface engineering approach using the organic amine small-molecule 3-(aminomethyl)pyridine (3-APy) can improve all photovoltaic parameters for p–i–n cells, amounting to a PCE greater than 25% as well as good operational stability, that is, retaining 87% of the initial PCE for over 2,400 h at about 55 °C12. The molecule reacted to the formamidinium within the perovskite to create an electric field on the surface of the perovskite layer, which gave a huge boost of not only efficiency but also stability2.

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