Science China Materials, Journal Year: 2025, Volume and Issue: unknown
Published: March 17, 2025
Language: Английский
Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109890 - 109890
Published: June 14, 2024
Language: Английский
Citations
7
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 64(1)
Published: Aug. 17, 2024
A novel class of thienyltriazine triamides (TTTAs) was facile synthesized and firstly used as cathode interlayers (CILs) for organic solar cells (OSCs). By utilizing different aromatic arms pendant polar groups, their optoelectronic properties aggregation behaviors were effectively modulated. The combination (TT) core, naphthylamide arm imidazole group endows TT-N-M with suitable energy levels, intensified work function tunability, higher conductivity, well-balanced crystallinity film-forming ability, boosting both the performance stability OSCs significantly. Remarkably, cell efficiency remains stable at around 90 % optimal even interlayer thickness varied from 5 to 95 nm, demonstrating its insensitivity thickness. Moreover, exhibits compatibility various active layer systems, achieving a maximum 19.60 single-junction cell. Its exceptional tolerance fluctuations establishes new benchmark multi-armed CIL-based OSCs, also positioning them among most high-performing CIL materials documented thus far. This not only broadens scope but offers deep insights into design strategies structure-properties relationships, being beneficial future development more efficient applications.
Language: Английский
Citations
7
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(48)
Published: Aug. 30, 2024
Abstract Phosphonic acid (PA) self‐assembled molecules have recently emerged as efficient hole‐extraction layers (HELs) for organic solar cells (OSCs). However, the structural effects of PAs on their self‐assembly behaviors indium tin oxide (ITO) and thus photovoltaic performance remain obscure. Herein, we present a novel class PAs, namely “non‐fused ring dipodal phosphonic acids” (NFR‐DPAs), featuring simple malleable non‐fused backbones anchoring groups. The efficacy configurational isomerism in modulating photoelectronic properties switching molecular orientation atop electrodes results distinct substrate surface energy electronic characteristics. NFR‐DPA with linear (C 2h symmetry) brominated backbone exhibits favorable face‐on enhanced work function modification capability compared to its angular 2v non‐brominated counterparts. This makes it versatile HELs mitigating interfacial resistance barrier‐free hole collection, affording optimal active layer morphology, which an impressive efficiency 19.11 % low voltage loss 0.52 V binary OSC devices excellent 19.66 ternary devices. study presents new dimension design PA‐based high‐performance OSCs.
Language: Английский
Citations
6
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 30, 2024
Abstract The cathode interface materials (CIMs) are crucial for organic solar cells (OSCs). Herein, excellent CIMs PDINN‐Br and PDINN‐2Br reported, by bromination of PDINN. Both them have strong work function (WF) tunability, self‐doping properties, film‐forming properties. They show higher electron mobility (over 2 × 10 −4 cm V −1 s ) conductivity (≈5 −5 S than Grazing‐incidence wide‐angle X‐ray scattering measurements (GIWAXS) illustrate that has more ordered arrangement PDINN PDINN‐Br. PDINN, PDINN‐Br, in PM6:Y6‐based OSCs lead to 15.96%, 16.71%, 17.03% power conversion efficiency (PCE), respectively. well performance as the PM6:PYIT D18:L8BO OSCs, PCEs 18.14% 18.98% obtained, respectively, which (16.97% 18.01%).
Language: Английский
Citations
6
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: unknown
Published: April 24, 2024
Interlayer engineering is crucial for achieving efficient and stable organic solar cells (OSCs). Herein, by introducing a commercialized brominated quaternary ammonium salt, hexamethonium bromide (HB), into perylene diimide (PDI)-structured electron transport layer (ETL), PDINN:HB hybrid ETL with enhanced charge collection ability environmental/operational stability realized. Molecular dynamics simulations Kelvin probe force microscopy indicate that strong polar bromine amine groups can form extra interfacial dipoles in the interlayer, while X-ray photoelectron spectroscopy paramagnetic resonance suggest interact Ag cathode, thereby regulating energy level arrangement at interface. As results, enables improved power conversion efficiency (PCE) from 17.8 to 18.4% 18.8 19.4% PM6:C5-16 bulk heterojunction- PM6/L8-BO pseudobulk heterojunction-based OSCs, respectively. The versatility of this method further verified range salts PDINN, which superior PCE are all obtained compared reference device.
Language: Английский
Citations
5
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 6, 2024
Abstract In organic solar cells (OSCs), electron transport layer (ETL) materials are typically designed with highly polar groups to lower the work function (WF) of cathode and ensure solvent orthogonality. However, increased surface energy associated these results in significant hygroscopicity poor interfacial contact active layer, posing a challenge for interlayer engineering that must balance device efficiency stability. Herein, two novel arylene diimides (PDI‐P NDI‐P) developed side chains end‐capped piperazine groups, as opposed commonly used amine groups. As ETLs, not only exhibit excellent conductivity but also effectively WF silver cathode. Compared amine‐functionalized perylene diimide (PDI‐N), piperazine‐functionalized (PDI‐P) exhibits reduced hygroscopicity, resulting improved wettability decreased moisture sensitivity. These characteristics contribute enhanced The PDI‐P ETL is compatible various high‐performance acceptor materials, achieving high efficiencies across wide thickness range ≈7 30 nm, maximum 19.8%. findings highlight great potential an high‐efficiency stable OSCs.
Language: Английский
Citations
4
Cell Reports Physical Science, Journal Year: 2025, Volume and Issue: 6(1), P. 102390 - 102390
Published: Jan. 1, 2025
Language: Английский
Citations
0
Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110799 - 110799
Published: Feb. 1, 2025
Language: Английский
Citations
0
Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 1, 2025
Language: Английский
Citations
0
Angewandte Chemie International Edition, Journal Year: 2025, Volume and Issue: unknown
Published: March 7, 2025
Herein, bis-sulfonimide (BSI), characterized by multiple d-pπ bonds rather than typical p-pπ bonds, is unprecedently utilized as a general and extendable building block to develop series of multifunctional cathode interlayer materials (CIMs) for organic solar cells (OSCs). An illustrative CIM, BSIz-TT-PDI, demonstrates favorable alcohol processability, superior work function tunability, appropriate energy levels, strong self-doping effect, decent crystallinity. These attributes contribute its high conductivity exceeding 5×10-3 S/cm, well precise optimization the interfacial connection between active layer metal cathode. Therefore, BSIz-TT-PDI-based OSCs delivers an outstanding efficiency 18.08 % using PM6:Y6 while retaining 84 initial performance after tracking at maximum power point under continuous illumination 1100 hours. Additionally, devices maintain over 94 optimal across film thickness range BSIz-TT-PDI from 5 90 nm. Moreover, exhibits compatibility with various layers, enabling record 19.80 PM6:BTP-eC9:L8-BO layer. This not only introduces new library water/alcohol-soluble n-type semiconductors containing BSI, also pioneers creation thickness-insensitive CIMs stable efficient integrating electron-withdrawing components bonds.
Language: Английский
Citations
0