Pros and cons of hole-selective self-assembled monolayers in inverted PSCs and TSCs: extensive case studies and data analysis

Energy & Environmental Science, Год журнала: 2024, Номер 17(17), С. 6157 - 6203

Опубликована: Янв. 1, 2024

HSSAMs with diverse structures, encompassing various anchoring and functional groups, were systematically categorized their multifaceted roles in inverted PSCs TSCs correlation device performance investigated.

Язык: Английский

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Towards the 10‐Year Milestone of Monolithic Perovskite/Silicon Tandem Solar Cells

Advanced Materials, Год журнала: 2024, Номер 36(37)

Опубликована: Июль 25, 2024

Abstract The perovskite/silicon tandem solar cell represents one of the most promising avenues for exceeding Shockley–Queisser limit single‐junction cells at a reasonable cost. Remarkably, its efficiency has rapidly increased from 13.7% in 2015 to 34.6% 2024. Despite significant research efforts dedicated this topic, “secret” achieving high‐performance seems be confined few groups. Additionally, discrepancies preparation and characterization between continue impede transition efficient cells. This review first revisits key milestones development monolithic over past decade. Then, comprehensive analysis background, advancements, challenges is provided, following sequence fabrication process. progress limitations prevalent stability measurements devices are also discussed. Finally, roadmap designing efficient, scalable, stable outlined. takes growth history into consideration while charting future course research.

Язык: Английский

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Minimizing the buried interfacial energy loss using a fluorine-substituted small molecule for 25.92%-efficiency and stable inverted perovskite solar cells

Energy & Environmental Science, Год журнала: 2024, Номер 17(19), С. 7342 - 7354

Опубликована: Янв. 1, 2024

Tetrafluorosuccinic acid was introduced into the buried interface to stabilize FA cations, mediate crystal growth of perovskite and reduce hole-transport barrier, delivering a record efficiency 25.92% for RbCsFAMA-based solar cells.

Язык: Английский

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Advanced Organic–Inorganic Hybrid Materials for Optoelectronic Applications

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 9, 2024

Abstract Research on organic–inorganic hybrid materials (OIHMs) has experienced explosive growth in the past decades. The diversity of organic components allows for introduction various spatial scales, functional groups, and polarities, while inorganic provide higher hardness, heat resistance, stability, their flexible combination facilitates formation diverse structures. Furthermore, simple cost‐effective synthesis methods, such as room temperature solution processes mechanochemical techniques, enable precise control over materials' properties at different thus achieving adjustable structure–performance relationships. This review will discuss recent research progress OIHMs within field optoelectronics related optoelectronic device applications. According to dimension nature interface, this divides into four structural categories. ongoing revealed applications fields solar cells, light‐emitting devices, detectors, memristors. As an outlook, potential perovskite 0D metal halide materials, which are currently most studied, enhancing performance stability is discussed.

Язык: Английский

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Spin‐Coated and Vacuum‐Processed Hole‐Extracting Self‐Assembled Multilayers with H‐Aggregation for High‐Performance Inverted Perovskite Solar Cells

Angewandte Chemie International Edition, Год журнала: 2024, Номер 63(45)

Опубликована: Июль 24, 2024

Abstract We report a highly crystalline self‐assembled multilayer (SAMUL) that is fundamentally different from the conventional monolayer or disordered bilayer used for hole‐extraction in inverted perovskite solar cells (PSCs). The SAMUL can be easily formed on ITO substrate to establish better surface coverage enhance performance and stability of PSCs. A detailed structure‐property‐performance relationship molecules established through systematic study their crystallinity, molecular packing, hole‐transporting properties. These SAMULs are rationally optimized by varying structures deposition methods thermal evaporation spin‐coating fabricating CbzNaphPPA‐based was chosen PSCs due it exhibiting highest crystallinity hole mobility which derived ordered H‐aggregation. This resulted remarkably high fill factor 86.45 %, enables very impressive power conversion efficiency (PCE) 26.07 % achieved along with excellent device (94 its initial PCE retained after continuous operation 1200 h under 1‐sun irradiation at maximum point 65 °C). Additionally, record‐high 23.50 could adopting thermally evaporated SAMUL. greatly simplifies broadens scope SAM large‐area devices diverse substrates.

Язык: Английский

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Regulation of Wide Bandgap Perovskite by Rubidium Thiocyanate for Efficient Silicon/Perovskite Tandem Solar Cells

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Окт. 22, 2024

Abstract Developing high‐quality wide bandgap (WBG) perovskites with ≈1.7 eV ( E g ) is critical to couple silicon and create efficient silicon/perovskite tandem devices. The sufferings of large open‐circuit voltage V OC loss unstable power output under operation continuously highlight the criticality fully develop WBG perovskite films. In this study, rubidium thiocyanate as additive regulators in are incorporated, significantly reducing non‐radiative recombination, ion‐migration, phase segregation. optimized 1.66 solar cells achieved state‐of‐art 1.3 (0.36 deficit), delivered a stabilized conversion efficiency 24.3%, along good device stability (20% degradation (T 80 after over 994 h 1 sun at ≈65°C). When integrated flat front side cell, two‐terminal (30% efficient) obtained 1.97 , T 90 operational lifetime more than 600 room temperature.

Язык: Английский

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Managing Interfacial Defects and Charge‐Carriers Dynamics by a Cesium‐Doped SnO₂ for Air Stable Perovskite Solar Cells

Small, Год журнала: 2024, Номер unknown

Опубликована: Май 11, 2024

Abstract A high‐quality nanostructured tin oxide (SnO 2 ) has garnered massive attention as an electron transport layer (ETL) for efficient perovskite solar cells (PSCs). SnO is considered the most effective alternative to titanium (TiO ETL because of its low‐temperature processing and promising optical electrical characteristics. However, some essential modifications are still required further improve intrinsic characteristics , such mismatch band alignments, charge extraction, transportation, conductivity, interfacial recombination losses. Herein, inorganic‐based cesium (Cs) dopant used modify investigate impact Cs‐dopant in curing defects, charge‐carrier dynamics, improving optoelectronic PSCs. The incorporation Cs contents efficiently improves film quality by enhancing transparency, crystallinity, grain size, light absorption reduces defect states trap densities, resulting improved power conversion efficiency (PCE) ≈22.1% with Cs:SnO ETL, in‐contrast pristine ‐based PSCs (20.23%). Moreover, Cs‐modified exhibit remarkable environmental stability a relatively higher relative humidity environment (>65%) without encapsulation. Therefore, this work suggests that Cs‐doped highly favorable extraction material preparing air‐stable planar

Язык: Английский

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Charge Transfer in 2D Halide Perovskites and 2D/3D Heterostructures

ACS Energy Letters, Год журнала: 2024, Номер 9(8), С. 3877 - 3886

Опубликована: Июль 17, 2024

Halide perovskites have emerged as a versatile class of materials, with applications spanning photovoltaics, light-emitting diodes, transistors, and photodetectors. The introduction semiconducting ligands to form two-dimensional (2D) on the surface three-dimensional (3D) in perovskite solar cells has been shown enhance performance stability. To improve interface properties between 3D layer charge carrier transport layers, understanding transfer (CT) process 2D is crucial. In this Perspective, we address common terminological inaccuracies energy level descriptions, delineate methods for alignment characterization, present practical instances CT perovskite-incorporated cells. We emphasize significance precise terminology, appropriate measurement techniques, rational design harness full potential optoelectronic applications.

Язык: Английский

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

Advanced Materials, Год журнала: 2024, Номер unknown

Опубликована: Июль 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

Язык: Английский

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Self-assembled materials with an ordered hydrophilic bilayer for high performance inverted Perovskite solar cells

Nature Communications, Год журнала: 2025, Номер 16(1)

Опубликована: Янв. 2, 2025

While self-assembled material based inverted perovskite solar cells have surpassed power conversion efficiencies of 26%, enhancing their performance in large-area configurations remains a significant challenge. In this work, we report hole-selective layer 4-(7H-dibenzo[c,g]carbazol-7-yl)phenyl)phosphonic acid, with π-expanded conjugation. The enhanced intermolecular π–π interactions facilitate the self-assembly acid molecules to form an ordered bilayer hydrophilic surface, which passivates buried interface defect and enables high-quality preparation, while simultaneously interfacial charge extraction transport. certified efficiency small-area (0.0715 cm2) device is 26.39% high stability. Furthermore, 25.21% achieved for 99.12 mm2 large area device. Qu et al. conjugation as hole selective cells. transport enable 7.15 - -devices, respectively.

Язык: Английский

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