Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(16)
Published: Feb. 19, 2024
Formamidinium lead iodide (FAPbI
Language: Английский
Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 63(1)
Published: Nov. 21, 2023
Abstract Ultraviolet‐induced degradation has emerged as a critical stability concern impeding the widespread adoption of perovskite solar cells (PSCs), particularly in context phase‐unstable wide‐band gap films. This study introduces novel approach by employing fully aromatic carbazole‐based self‐assembled monolayer, denoted (4‐(3,6‐dimethoxy‐9H‐carbazol‐9‐yl)phenyl)phosphonic acid (MeO‐PhPACz), hole‐selective layer (HSL) inverted PSCs. Incorporating conjugated linker plays pivotal role promoting formation dense and highly ordered HSL on substrates, facilitating subsequent interfacial interactions, fostering growth uniform The high‐quality film could effectively suppress non‐radiative recombination, improving hole extraction/transport efficiency. Through these advancements, optimized PSCs, featuring band 1.68 eV, attain an impressive power conversion efficiency (PCE) 21.10 %. Remarkably, MeO‐PhPACz demonstrates inherent UV resistance heightened absorption capabilities, substantially for targeted characteristic holds significance feasibility large‐scale outdoor applications.
Language: Английский
Citations
57
Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(40)
Published: Aug. 19, 2023
Self-assembled monolayers (SAMs) offer the advantage of facile interfacial modification, leading to significant improvements in device performance. In this study, we report design and synthesis a new series carboxylic acid-functionalized porphyrin derivatives, namely AC-1, AC-3, AC-5, present, for first time, strategy exploit large π-moiety porphyrins as backbone interfacing indium tin oxide (ITO) electrode perovskite active layer an inverted solar cell (PSC) configuration. The electron-rich nature facilitates hole transfer formation SAMs, resulting dense surface that minimizes defects. Comprehensive spectroscopic dynamic studies demonstrate double-anchored AC-3 AC-5 enhance SAMs on ITO, passivate layer, function conduits facilitate transfer, thus significantly boosting performance PSCs. champion PSC employing SAM achieves impressive efficiency 23.19 % with high fill factor 84.05 %. This work presents novel molecular engineering functionalizing tune energy levels, dipoles, packing orientations achieve stable efficient Importantly, our comprehensive investigation has unraveled associated mechanisms, offering valuable insights future advancements
Language: Английский
Citations
51
Chemical Science, Journal Year: 2024, Volume and Issue: 15(8), P. 2778 - 2785
Published: Jan. 1, 2024
Self-assembled monolayers (SAMs) have been widely employed as the bottom-contact hole-selective layer (HSL) in inverted perovskite solar cells (PSCs). Besides manipulating electrical properties, molecularly engineering SAM provides an opportunity to modulate buried interface. Here, we successfully introduced Lewis-basic oxygen and sulfur heteroatoms through rational molecular design of asymmetric SAMs obtain two novel multifunctional SAMs, CbzBF CbzBT. Detailed characterization single-crystal structures device interfaces shows that enhanced packing, more effective ITO work function adjustment, interface passivation were achieved. Consequently, champion PSC employing CbzBT showed excellent power conversion efficiency (PCE) 24.0% with a high fill factor 84.41% improved stability. This demonstrates feasibility introducing defect-passivating heterocyclic groups into molecules help passivate interfacial defects PSCs. The insights gained from this strategy will accelerate development new HSLs for efficient
Language: Английский
Citations
50
Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)
Published: July 7, 2023
Abstract Design and modification of interfaces have been the main strategies in developing perovskite solar cells (PSCs). Among interfacial treatments, dipole molecules emerged as a practical approach to improve efficiency stability PSCs due their unique versatile abilities control properties. Despite extensive applications conventional semiconductors, working principles design dipoles performance/stability enhancement are lacking an insightful elucidation. In this review, we first discuss fundamental properties electric specific roles PSCs. Then systematically summarize recent progress materials several key achieve efficient stable addition such discussions, also dive into reliable analytical techniques support characterization Finally, highlight future directions potential avenues for research development dipolar through tailored molecular designs. Our review sheds light on importance continued efforts exciting emerging field, which holds great high-performance commercially demanded.
Language: Английский
Citations
49
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)
Published: March 1, 2024
Abstract Perovskite solar cells (PSCs) have attracted widespread research and commercialization attention because of their high power conversion efficiency (PCE) low fabrication cost. The long‐term stability PSCs should satisfy industrial requirements for photovoltaic devices. Inverted with a p‐i‐n architecture exhibit considerable advantages excellent competitive efficiency. continuously broken‐through PCE inverted shows huge application potential. This review summarizes the developments outlines characteristics including charge transport layers (CTLs), perovskite compositions, interfacial regulation strategies. latest effective CTLs, modification, promotion strategies especially under light, thermal, bias conditions are emphatically analyzed. Furthermore, applications structure in high‐efficiency stable tandem, flexible devices, modules main obstacles systematically introduced. Finally, remaining challenges faced by devices discussed, several directions advancing proposed according to development status industrialization requirements.
Language: Английский
Citations
49
Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(7), P. 4079 - 4123
Published: March 25, 2024
All-perovskite tandem solar cells are attracting considerable interest in photovoltaics research, owing to their potential surpass the theoretical efficiency limit of single-junction cells, a cost-effective sustainable manner. Thanks bandgap-bowing effect, mixed tin-lead (Sn-Pb) perovskites possess close ideal narrow bandgap for constructing matched with wide-bandgap neat lead-based counterparts. The performance all-perovskite tandems, however, has yet reach its potential. One main obstacles that need be overcome is the─oftentimes─low quality Sn-Pb perovskite films, largely caused by facile oxidation Sn(II) Sn(IV), as well difficult-to-control film crystallization dynamics. Additional detrimental imperfections introduced thin film, particularly at vulnerable surfaces, including top and bottom interfaces grain boundaries. Due these issues, resultant device distinctly far lower than theoretically achievable maximum efficiency. Robust modifications improvements surfaces films therefore critical advancement field. This Review describes origins covers efforts made so toward reaching better understanding perovskites, particular respect surface improved stability cells. In addition, we also outline important issues integrating subcells achieving reliable efficient double- multi-junction tandems. Future work should focus on characterization visualization specific defects, tracking evolution under different external stimuli, guiding turn processing stable cell devices.
Language: Английский
Citations
49
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(18)
Published: March 9, 2024
The hole-transporting material (HTM), poly (3,4-ethylene dioxythiophene) poly(styrene sulfonate) (PEDOT : PSS), is the most widely used in realization of high-efficiency organic solar cells (OSCs). However, stability PEDOT PSS-based OSCs quite poor, arising from its strong acidity and hygroscopicity. In addition, PSS has an absorption infrared region high highest occupied molecular orbital (HOMO) energy level, thus limiting enhancement short-circuit current density (J
Language: Английский
Citations
45
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(12)
Published: Jan. 12, 2024
Abstract Effective passivation of defects at the buried interface between perovskite absorber and hole‐selective layer (HSL) is crucial for achieving high performance in inverted solar cells (PSCs). Additionally, HSL needs to possess compact molecular packing intrinsic photo‐ thermo‐stability ensure long‐term operation devices. In this study, a novel MeO‐BTBT‐based self‐assembled monolayer (SAM) reported serve as an efficient PSCs. Compared well‐established carbazole‐containing SAM MeO‐2PACz, MeO‐BTBT has flat more extended conjugation with large atomic radius sulfur atom. These induce stronger intermolecular interactions enable ordered be formed on indium–tin oxide (ITO) substrates. Meanwhile, atoms can coordinate Pb 2+ ions passivate absorber. The derived films show both photoluminescence (PL) quantum yield (13.2%) long lifetime (7.2 µs). PSCs based PCE 24.53% impressive fill factor 85.3%. PCEs devices maintain ≈95% their initial values after being aged 65 °C than 1000 h or continuous under 1‐sun illumination.
Language: Английский
Citations
43
Interdisciplinary materials, Journal Year: 2024, Volume and Issue: 3(2), P. 203 - 244
Published: Feb. 23, 2024
Abstract Self‐assembled monolayers (SAMs) employed in inverted perovskite solar cells (PSCs) have achieved groundbreaking progress device efficiency and stability for both single‐junction tandem configurations, owing to their distinctive versatile ability manipulate chemical physical interface properties. In this regard, we present a comprehensive review of recent research advancements concerning SAMs cells, where the prevailing challenges future development prospects applications are emphasized. We thoroughly examine mechanistic roles diverse energy‐level regulation, modification, defect passivation, charge transportation. This is by understanding how interfacial molecular interactions can be finely tuned mitigate recombination losses PSCs. Through review, aim provide valuable insights references further investigation utilization cells.
Language: Английский
Citations
43
Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown
Published: April 18, 2024
Abstract Perovskite solar cells (PSCs) hold significant promise as the next‐generation materials in photovoltaic markets, owing to their ability achieve impressive power conversion efficiencies, streamlined fabrication processes, cost‐effective manufacturing, and numerous other advantages. The utilization of self‐assembled monolayer (SAM) molecules has proven be a success enhancing device efficiency extending stability. This review highlights dual use SAM realm PSCs, which can not only serve charge transport but also act interfacial modulators. These research endeavors encompass wide range applications for various both n‐i‐p p‐i‐n structured providing deep insight into underlying mechanisms. Furthermore, this proposes current challenges future investigations materials. timely thorough seeks provide direction inspiration efforts dedicated ongoing incorporation SAMs field perovskite photovoltaics.
Language: Английский
Citations
43