A5100783480- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Perovskite Materials and Applications
- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Thin-Film Transistor Technologies
- Quantum Dots Synthesis And Properties
- Microgrid Control and Optimization
- Fuel Cells and Related Materials
- Molecular Junctions and Nanostructures
- Advanced Sensor and Energy Harvesting Materials
- Pneumonia and Respiratory Infections
- Respiratory viral infections research
- Power Systems and Renewable Energy
- Pediatric health and respiratory diseases
- Pneumocystis jirovecii pneumonia detection and treatment
- Acoustic Wave Resonator Technologies
- Nanowire Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Islanding Detection in Power Systems
- Circular RNAs in diseases
- Advanced Photocatalysis Techniques
- Geotechnical Engineering and Soil Stabilization
- Traffic Prediction and Management Techniques
- Antenna Design and Analysis
Zhejiang University
2021-2025
State Key Laboratory of Silicon Materials
2021-2024
South China Agricultural University
2023-2024
State Key Laboratory of Clean Energy Utilization
2024
Fudan University
2014-2024
Jiangsu University
2024
Tsinghua University
2014-2024
Zhejiang Lab
2023
Sir Run Run Shaw Hospital
2023
Purple Mountain Laboratories
2023
The ternary blend is demonstrated as an effective strategy to promote the device performance of organic photovoltaics (OPVs) due dilution effect. While compromise between charge generation and recombination remains a challenge. Here, mixed diluent for further improving efficiency OPV proposed. Specifically, high-performance system with polymer donor, i.e., PM6, nonfullerene acceptor (NFA), BTP-eC9, diluted by diluents, which involve high bandgap NFA BTP-S17 low BTP-S16 (similar that...
Abstract TiO 2 -based powder materials have been widely studied as efficient photocatalysts for water splitting due to their low cost, photo-responsivity, earthly abundance, chemical and thermal stability, etc. In particular, the recent breakthrough of nitrogen-doped , which enhances presence structural defects dopant impurities at elevated temperatures, exhibits an impressive visible-light absorption photocatalytic activity. Although electronic optical properties extensively studied,...
With the continuous breakthrough of efficiency organic photovoltaics (OPVs), their practical applications are on agenda. However, thickness tolerance and upscaling in recently reported high-efficiency devices remains challenging. In this work, multiphase morphology desired carrier behaviors realized by utilizing a quaternary strategy. Notably, exciton separation, mobility, lifetime enhanced significantly, recombination energy loss (Eloss ) reduced, thus beneficial for higher short-circuit...
Morphology is of great significance to the performance organic solar cells (OSCs), since appropriate morphology could not only promote exciton dissociation, but also reduce charge recombination. In this work, we have developed a solid additive-assisted layer-by-layer (SAA-LBL) processing fabricate high-efficiency OSCs. By adding additive fatty acid (FA) into polymer donor PM6 solution, controllable pre-phase separation forms between and FA. This intermixed facilitates diffusion acceptor Y6...
Molecular microstructure and carrier management were optimized correlated, double-channel recombination suppression enabled a record certified efficiency of 19.3% for asymmetric acceptor-based organic photovoltaics.
Developing indium-tin-oxide (ITO)-free flexible organic photovoltaics (OPVs) with upscaling capacity is of great significance for practical applications OPVs. Unfortunately, the efficiencies corresponding devices lag far behind those ITO-based rigid small-area counterparts. To address this issue, an advanced device configuration designed and fabricated featuring a top-illuminated structure ultrathin Ag as transparent electrode. First, conjugated polyelectrolyte layer, i.e., PCP-Li, inserted...
Ultra-thin OPVs with record efficiency, the highest power density and tunable colors are demonstrated. The was fabricated on a 1.3 micro-meter substrate, demonstrated efficiency of 17.32% an excellent 39.72 W g −1 .
Abstract Although asymmetric molecular design has been widely demonstrated effective for organic photovoltaics (OPVs), the correlation between geometry and their optoelectronic properties is still unclear. To access this issue, we have designed synthesized several symmetric-asymmetric non-fullerene acceptors (NFAs) pairs with identical physical properties. Interestingly, found that NFAs universally exhibited increased open-circuit voltage compared to symmetric counterparts, due reduced...
Though encouraging performance is achieved in small-area organic photovoltaics (OPVs), reducing efficiency loss when evoluted to large-area modules an important but unsolved issue. Considering that polymer materials show benefits film-forming processability and mechanical robustness, a high-efficiency all-polymer OPV module demonstrated this work. First, ternary blend consisting of two donors, PM6 PBQx-TCl, one acceptor, PY-IT, developed, with which triplet state recombination suppressed for...
Abstract The development of intrinsically stretchable organic photovoltaics ( is ‐OPVs) with a high efficiency significance for practical application. However, their efficiencies lag far behind those rigid or even flexible counterparts. To address this issue, an advanced top‐illuminated OPV designed and fabricated, which has performance, through systematic optimizations from material to device. First, the stretchability active layer largely increased by adding low‐elastic‐modulus elastomer...
Abstract Smooth perovskite film with high crystallinity and vertical orientation is highly favored for high‐performance quasi‐2D solar cells (PVSCs), yet limited by the critical balance between nucleation crystal growth. To address this issue, here a fast solidification slow growth (FSSG) strategy developed to effectively optimize morphology. The enables smooth, pinhole‐free film, while allows it further ripen into high‐crystallinity film. This process enabled low‐boiling point solvent...
This work explores a new solid additive with TADF properties for high-performance OPVs. The fine-tunes the morphology and enhances exciton diffusion dissociation, resulting in an efficiency of 19.4%, making it one top binary
This research provides valuable references for the design of electron acceptors addressing “efficiency-cost-stability” triangle, thus advancing commercialization organic solar cells (OSCs).
Abstract Intrinsically stretchable organic photovoltaics ( is ‐OPVs) hold significant promise for integration into self‐powered wearable electronics. However, their potential hindered by the lack of sufficient consistency between optoelectronic and mechanical properties. This primarily due to limited availability transparent electrodes (STEs) that possess both high conductivity stretchability. Here, a hybrid STE with exceptional conductivity, stretchability, thermal stability presented....
Abstract High‐performance perovskite solar cells (PVSCs) with low energy consumption and green processing are highly desired, but constrained by the difficulty in morphology control poor understanding on evolution mechanisms. To address this issue, here we studied effect of antisolvents film formation. We found that both composition affect greatly via influencing intermediate phase, different compositions require to reach optimal morphology. This provides opportunity achieve high‐performance...
A 2D spacer (2TEAI) has been synthesized and deposited on PVSCs, which led to a significant increase in the efficiency from 21.7% 23.6%, as well 21.32% for up-scaled device (2.25 cm 2 ).
A polymer donor with a D–A 1 –A 2 type structure was developed, whose aggregation state tuned by molecular weight control, finally leading to over 15% power conversion efficiency.
We have unveiled that a closed-loop carbazole side chain is superior to an open-loop diphenylamine in designing both efficient and stable nonfused-ring electron acceptors.
China consumes 35% of the world’s fertilizer every year; however, most nitrogen fertilizers, which are essential for rice cultivation, not used effectively. In this study, factors affecting leaching loss rate were studied in typical soil and varieties South China. The effects various irrigation measures on growth investigated by conducting experiments with eight groups. These groups included traditional (TI) shallow wet (SWI). TI is a common method farmers China, maintaining water layer 5-8...
Here we report a concise and divergent synthesis of scabrolide A havellockate, representative members polycyclic marine natural product furano(nor)cembranoids. The features highly efficient exo-exo-endo radical cascade. Through the generation two rings, three C–C bonds, contiguous stereocenters in one step, this remarkable transformation not only assembles bowl-shaped, common 6–5–5 fused ring system from simple building blocks but also precisely installs functionalities at desired positions...
Organic solar cells have seen significant progress in the past 2 decades with power conversion efficiencies (PCEs) exceeding 20% but mostly based on high-cost photovoltaic materials. Polythiophenes (PTs) without a fused-ring structure are good candidates as low-cost donor materials, deserving more attention for studying. In this work, ester-substituted thiazole (E-Tz) was explored electron-withdrawing unit to design PTs, and further optimization fluorinated/nonfluorinated segment contents...
As the economic and environmental costs of training deploying large vision or language models increase dramatically, analog in-memory computing (AIMC) emerges as a promising energy-efficient solution. However, perspective, especially its dynamic, is underexplored. In AIMC hardware, trainable weights are represented by conductance resistive elements updated using consecutive electrical pulses. Among all physical properties elements, response to pulses directly affects dynamics. This paper...
Abstract Forming an optimal donor:acceptor blend morphology with a low trap state density is highly desired to reach perfect compromise between charge generation and recombination for organic photovoltaics (OPVs), wherein polymer donor plays key role. Here, two wide bandgap donors of PN‐HD PN‐BO are reported, featuring the same low‐cost chlorinated dithiazole as electron‐withdrawing unit but varied alkyl chains on π‐bridged thiophene ring. It found that shorter chain endows merits better...