Synergy of 3D and 2D Perovskites for Durable, Efficient Solar Cells and Beyond

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(15), P. 9565 - 9652

Published: July 10, 2023

Three-dimensional (3D) organic-inorganic lead halide perovskites have emerged in the past few years as a promising material for low-cost, high-efficiency optoelectronic devices. Spurred by this recent interest, several subclasses of such two-dimensional (2D) begun to play significant role advancing fundamental understanding structural, chemical, and physical properties perovskites, which are technologically relevant. While chemistry these 2D materials is similar that 3D their layered structure with hybrid interface induces new emergent can significantly or sometimes subtly be important. Synergistic realized systems combine different exhibiting dimensionalities exploiting intrinsic compatibility. In many cases, weaknesses each alleviated heteroarchitectures. For example, 3D-2D demonstrate novel behavior neither would capable separately. This review describes how structural differences between give rise disparate properties, discusses strategies realizing mixed-dimensional various architectures through solution-processing techniques, presents comprehensive outlook use solar cells. Finally, we investigate applications beyond photovoltaics offer our perspective on perovskite semiconductor unrivaled tunability, efficiency, relevant durability.

Language: Английский

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Stabilization of 3D/2D perovskite heterostructures via inhibition of ion diffusion by cross-linked polymers for solar cells with improved performance

Nature Energy, Journal Year: 2023, Volume and Issue: unknown

Published: Feb. 9, 2023

Language: Английский

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Suppressed Defects by Functional Thermally Cross‐Linked Fullerene for High‐Efficiency Tin‐Lead Perovskite Solar Cells

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

Published: July 20, 2024

Mixed tin-lead (Sn-Pb) perovskites have attracted the attention of community due to their narrow bandgap, ideal for photovoltaic applications, especially tandem solar cells. However, oxidation and rapid crystallization Sn

Language: Английский

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Post‐Treatment of Metal Halide Perovskites: From Morphology Control, Defect Passivation to Band Alignment and Construction of Heterostructures

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(41)

Published: Sept. 15, 2023

Abstract Metal halide perovskite solar cells (PSCs) have witnessed a swift increase in power conversion efficiency the past decade, emerging as one of most promising next‐generation photovoltaic technologies for commercialization and low‐carbon energy generation. Through significant efforts optimizing processing techniques, high‐quality thin films can now be prepared with polycrystalline morphologies consisting monolayer grains. Nevertheless, defects microstructural disorders still form at surface/heterointerface bulk films. Post‐treatment as‐crystallized has been intensively investigated passivating these defects, being proved effective improving device performance. In this review, versatile strategies post‐treating surface toward morphology control, defect passivation, band alignment are discussed. The tailored properties correlated to charge dynamics interfaces performance PSCs. Since heterostructures by simple post‐treatments may suffer from degradation high temperatures, recent advances preparing phase‐pure stable also Finally, perspective elaborating future opportunities further enhancing stability PSCs is provided.

Language: Английский

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Tuning 2D Perovskite Passivation: Impact of Electronic and Steric Effects on the Performance of 3D/2D Perovskite Solar Cells

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(45)

Published: Oct. 3, 2023

Abstract Surface passivation with 2D perovskites is a powerful strategy to achieve improved stability and performance in perovskite solar cells (PSCs). Various large organic cations have been successfully implemented, led by phenylethylammonium ( PEA + ) its derivatives. However, systematic studies on sets of understand the effect substituent position device are lacking. Herein, collection halogenated iodide salts x ‐XPEAI where : ortho o ), meta m , para p X F, Cl, Br) synthesized facile method deposited top 3D perovskite. The layer formation confirmed X‐ray diffraction (XRD) grazing‐incidence wide‐angle scattering analyses for all cations, regardless nature halogen. Density functional theory analysis reveals that lower energies higher interfacial dipoles achieved ‐substituted responsible enhanced compared their ‐ counterparts. While ‐BrPEAI ‐treated shows champion efficiency 23.42%, V OC =1.13 V, FF=81.2%), considering average efficiencies, stability, reproducibility, treatment ‐ClPEAI salt yields best overall performance. This comprehensive study provides guidelines understanding influence cation modification 3D/2D PSCs.

Language: Английский

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The design and performance optimization of all-inorganic CsPbIBr2/CsSnI3 heterojunction perovskite solar cells

Solar Energy, Journal Year: 2023, Volume and Issue: 263, P. 111885 - 111885

Published: Sept. 1, 2023

Language: Английский

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Key Roles of Interfaces in Inverted Metal-Halide Perovskite Solar Cells

ACS Nano, Journal Year: 2024, Volume and Issue: 18(16), P. 10688 - 10725

Published: April 11, 2024

Metal-halide perovskite solar cells (PSCs), an emerging technology for transforming energy into a clean source of electricity, have reached efficiency levels comparable to those commercial silicon cells. Compared with other types PSCs, inverted (IPSCs) shown promise regard commercialization due their facile fabrication and excellent optoelectronic properties. The interlayer interfaces play important role in the performance cells, not only affecting charge transfer transport, but also acting as barrier against oxygen moisture permeation. Herein, we describe summarize last three years studies that advantages interface engineering-based advances IPSCs. This review includes brief introduction structure working principle IPSCs, analyzes how affect IPSC devices from perspective photovoltaic device lifetime. In addition, comprehensive summary various engineering approaches solving these problems challenges including use interlayers, modification, defect passivation, others, is summarized. Moreover, based upon current developments breakthroughs, fundamental perspectives on future pathways are provided innovation design next-generation

Language: Английский

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Numerical optimization of interface engineering parameters for a highly efficient HTL-free perovskite solar cell

Materials Today Communications, Journal Year: 2024, Volume and Issue: 39, P. 108957 - 108957

Published: April 17, 2024

Language: Английский

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Unveiling the Intrinsic Photophysics in Quasi-Two-Dimensional Perovskites

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(10), P. 6974 - 6982

Published: Feb. 28, 2024

The two-dimensional (2D) perovskites have drawn intensive attention due to their unique stability and outstanding optoelectronic properties. However, the debate surrounding spatial phase distribution band alignment among different 2D phases in quasi-2D perovskite has created complexities understanding carrier dynamics, hindering material device development. In this study, we employed highly sensitive transient absorption spectroscopy investigate dynamics of (BA)2(MA)n−1PbnI3n+1 Ruddlesden–Popper thin films, nominally prepared as n = 4. We observed carrier-density-dependent electron hole transfer between three-dimensional (3D) phases. Under a low density within linear response range, successfully resolved three ultrafast processes both transfers, spanning from hundreds femtoseconds several picoseconds, tens picoseconds nanoseconds, which can be attributed lateral-epitaxial, partial-epitaxial, disordered-interface heterostructures 3D By considering interplay structure, alignment, proposed synthesis strategies aimed at enhancing transport. Our results not only provide deep insights into an accurate intrinsic photophysics but also inspire advancements practical application these materials.

Language: Английский

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Complex Metal Oxides as Emerging Inorganic Hole‐Transporting Materials for Perovskite Solar Cells

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

Published: Jan. 9, 2024

Abstract Perovskite solar cells (PSCs) have achieved revolutionary progress during the past decades with a rapidly boosting rate in power conversion efficiencies from 3.8% to 26.1%. However, high‐efficiency PSCs organic hole‐transporting materials (HTMs) suffer inferior long‐term stability and high costs. The replacement of HTMs inorganic counterparts such as metal oxides can solve above‐mentioned problems realize highly robust cost‐effective PSCs. Nevertheless, widely used simple oxide‐based are limited by low conductivity poor light transmittance due fixed atomic environment. As an emerging family HTMs, complex superior structural/compositional flexibility attracted increasing interest recently, showing carrier conductivity/mobility superb transmittance. Herein, recent advancements design development for high‐performance summarized emphasizing superiority over counterparts. Consequently, several distinct strategies proposed. Last, future directions remaining challenges also presented. This review aims provide valuable guidelines further robust, high‐efficiency, low‐cost

Language: Английский

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