Dual-Template-Directed Zero-Dimensional Bismuth Chlorides: Structures, Luminescence, Photoinduced Chromism, and Enhanced Proton Conductivity

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(40), P. 18865 - 18876

Published: Sept. 20, 2024

Zero-dimensional (0D) hybrid organic-inorganic bismuth halides have attracted immense scientific interest as promising candidates for lead-free materials. Here, by using a typical solvothermal method, two mixed-cation-phase 0D chlorides of [HPDA][H

Language: Английский

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Efficient and Highly Stable Lateral Perovskite Single‐Crystal Solar Cells through Crystal Engineering and Weak Ion Migration

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(32)

Published: May 13, 2024

Abstract The lateral device structure for perovskite solar cells (PSCs) has garnered significant attention, primarily due to its elimination of the need expensive transparent electrodes. However, performance devices, which are more sensitive crystal quality and charge carrier transport bottlenecks, lagged far behind predominant vertical PSCs. Herein, by modulating nucleation growth processes thin FA 0.75 MA 0.25 PbI 3 (FA = formamidinium; methylammonium) single crystals, improved, resulting in a power conversion efficiency (PCE) 12.64%, record Investigation device's stability reveals that iodide ion migration is suppressed reduction vacancy concentration combined with weak interface migration. It shown latter effect result perpendicular direction electric field Consequently, these single‐crystal PSCs display remarkable operational stability, retaining 100% their initial PCE after 1200 h steady‐state output at maximum point voltage (Vmpp) under 1 sun illumination. This work highlights advantages devices potential address key issues

Language: Английский

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Peptide‐Based Ammonium Halide with Inhibited Deprotonation Enabling Effective Interfacial Engineering for Highly Efficient and Stable FAPbI₃ Perovskite Solar Cells

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

Published: June 12, 2024

Abstract Ammonium iodides are intensively investigated as effective interfacial passivation agents in perovskite solar cells (PSCs) while facing a major challenge of their high reactivity with perovskites that undermines the operational stability PSCs. Exemplified by involving rationally designed/selected peptide into widely adopted phenethylammonium iodide (PEAI), present work demonstrates bespoke peptide‐PEAI can effectively inhibit deprotonation ammonium and thus hinder formation 2D perovskite, facilitating enhancement films multi hydrogen bonding. The additional lone pair electrons provided molecules also enhance ability modified layer. Attributed to stable co‐modifier peptide‐PEAI, small‐area FAPbI 3 ‐based PSCs yield efficiency 25.02% robust light thermal stabilities. Moreover, peptide‐PEAI‐based minimodules an 19.06% for total area 36 cm 2 manifested great application potential this co‐modification strategy photovoltaics.

Language: Английский

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Advances in single-crystal perovskite solar cells: From materials to performance

Nano Energy, Journal Year: 2024, Volume and Issue: 130, P. 110069 - 110069

Published: Aug. 2, 2024

Language: Английский

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MAPbX₃ Perovskite Single Crystals for Advanced Optoelectronic Applications: Progress, Challenges, and Perspective

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 2, 2025

Abstract Perovskite single crystals have garnered significant attention due to their impressive properties in optoelectronic applications, including long carrier diffusion lengths, low trap‐state densities, and enhanced stability. Methylamino lead halide perovskite (MAPbX 3 , where X is a halogen such as Cl, Br, or I) notable example of metal with desirable ideal cubic perovskites tolerance factor between 0.9 1.0. MAPbX has adjustable bandgap, high thermal chemical stability, excellent light absorption capacity. Here the unique characteristics molecular structure, optical properties, transport are summarized. Universal growth technologies for crystals, inverse temperature crystallization, anti‐solvent evaporation solvent method, single‐crystalline thin film, epitaxial method space limiting briefly introduced. Additionally, comprehensive review various device photodetectors, X‐ray detectors, light‐emitting diodes, lasers, solar cells mainly discussed. Finally, current challenges future prospects large‐scale preparation put forward. With continuous progress photoelectric technology, more innovative applications expected bring convenience progress.

Language: Английский

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Perovskite single-crystal thin films: preparation, surface engineering, and application

Nano Convergence, Journal Year: 2023, Volume and Issue: 10(1)

Published: May 22, 2023

Abstract Perovskite single-crystal thin films (SCTFs) have emerged as a significant research hotspot in the field of optoelectronic devices owing to their low defect state density, long carrier diffusion length, and high environmental stability. However, large-area high-throughput preparation perovskite SCTFs is limited by challenges terms reducing surface defects manufacturing high-performance devices. This review focuses on advances development with large area, controlled thickness, quality. First, we provide an in-depth analysis mechanism key factors that affect nucleation crystallization process then classify methods preparing SCTFs. Second, progress engineering for introduced. Third, summarize applications photovoltaics, photodetectors, light-emitting devices, artificial synapse field-effect transistor. Finally, opportunities commercializing are discussed.

Language: Английский

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Surface‐Engineered Methylammonium Lead Bromide Single Crystals: A Platform for Fluorescent Security Tags and Photodetector Applications

Advanced Optical Materials, Journal Year: 2024, Volume and Issue: 12(10)

Published: Jan. 31, 2024

Abstract Surface/interface engineering of methylammonium lead bromide (MAPbBr 3 ) single crystals (SCs) is crucial for carrier generation/recombination, separation, and transportation, thereby enabling superior optoelectronics. Herein, a surface‐engineered crystallization technique presented in which thin polycrystalline MAPbBr layer situ grown on the surface bulk mm‐sized SCs. The growth direction atomic distribution both crystalline core have been analyzed by damage‐free atomic‐resolution transmission electron microscopy (TEM). nature gives rise to bright green emission under UV light. Scanning probe results show that current at emissive film/MAPbBr SC five times higher than non‐emissive when illuminated. Lateral photodetectors based SCs can achieve excellent detectivities (≈10 13 Jones) high photoresponsivities (≈20 A W −1 ). Furthermore, semiconductor‐based fluorescence quick response (FQR) code patterned same green‐emitting using picosecond laser pulse, with scalability × mm 2 . An FQR integrated photodetector may serve as potential double security tag bank cards, passports, door security, etc.

Language: Английский

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π-Conjugated Polymer with Pendant Side Chains as a Dopant-Free Hole Transport Material for High-Performance Perovskite Solar Cells

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(3), P. 3359 - 3367

Published: Jan. 11, 2024

Dopant-free polymeric hole transport materials (HTMs) have attracted considerable attention in perovskite solar cells (PSCs) due to their high carrier mobilities and excellent hydrophobicity. They are considered promising candidates for HTMs replace commercial Spiro-OMeTAD achieve long-term stability efficiency PSCs. In this study, we developed BDT-TA-BTASi, a conjugated donor−π–acceptor HTM. The donor benzo[1,2-b:4,5-b′]dithiophene (BDT) acceptor benzotriazole (BTA) incorporated pendant siloxane, alkyl side chains led mobility solubility. addition, BDT-TA-BTASi can effectively passivate the layer markedly decrease trap density. Based on these advantages, dopant-free BDT-TA-BTASi-based PSCs achieved an of over 21.5%. Furthermore, devices not only exhibited good N2 (retaining 92% initial after 1000 h) but also showed at high-temperature (60 °C) -humidity conditions (80 ± 10%) 92 82% 400 h). These results demonstrate that is HTM, study provides guidance high-performance

Language: Английский

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Dynamic covalent polymer engineering for stable and self-healing perovskite solar cells

Materials Horizons, Journal Year: 2023, Volume and Issue: 10(11), P. 5223 - 5234

Published: Jan. 1, 2023

Utilizing acylhydrazone-bonded waterborne polyurethane as a dynamic covalent polymer engineering approach, self-repairing perovskite solar cells demonstrate excellent durability with activation occurring at relatively low temperature of ∼60 o C.

Language: Английский

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MOF-Assisted Annealing-Free Crystallization Technology of Perovskites toward Efficient and Stable Perovskite Solar Cells

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(30), P. 37059 - 37068

Published: July 24, 2023

Although annealing is a commonly used crystallization method for perovskite films in solar cells (PSCs), the high thermal energy consumption and limitations on flexible devices hinder their further industrial application. We herein propose an annealing-free technology films, assisted by Zr–metal–organic framework (MOF) interface between SnO2 perovskite. It found that Zr–MOF can accelerate formation of intermediates promote conversion into crystals even without annealing. The trap density thus decreases about one fold, accompanied significant increases electron hole mobilities, resulting enhanced carrier extraction suppressed charge recombination. Therefore, Zr–MOF-based PSC attains power convention efficiency (PCE) 20.24%, 2.2 times (9.26%) pristine PSC. Furthermore, layer significantly improve air stabilities PSCs. exhibits 93% its initial PCE versus 52% after 1018 h storage air. Additionally, 360 continuous heating at 65 °C, retains 91% against 44%

Language: Английский

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