A5100369076- Organic Electronics and Photovoltaics
- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Thin-Film Transistor Technologies
- Silicon and Solar Cell Technologies
- Photonic and Optical Devices
- Nanowire Synthesis and Applications
- Organic Light-Emitting Diodes Research
- Semiconductor materials and devices
- Molecular Junctions and Nanostructures
- Solid-state spectroscopy and crystallography
- Fullerene Chemistry and Applications
- Semiconductor Quantum Structures and Devices
- Radio Frequency Integrated Circuit Design
- Electrohydrodynamics and Fluid Dynamics
- solar cell performance optimization
- Advancements in Semiconductor Devices and Circuit Design
- Advanced Photonic Communication Systems
- Gas Sensing Nanomaterials and Sensors
- Terahertz technology and applications
- Surface Modification and Superhydrophobicity
- ZnO doping and properties
- 2D Materials and Applications
Henan University
2010-2025
South China University of Technology
2017-2025
University of Jinan
2018-2025
South China Normal University
2014-2025
Shanghai Institute of Technical Physics
2003-2025
University of Chinese Academy of Sciences
2019-2025
National University of Defense Technology
2023-2025
Dalian University of Technology
2025
Materials Modification (United States)
2025
First Affiliated Hospital of Bengbu Medical College
2025
A major bottleneck delaying the further commercialization of thin-film solar cells based on hybrid organohalide lead perovskites is interface loss in state-of-the-art devices. We present a generic architecture that combines solution-processed, reliable, and cost-efficient hole-transporting materials without compromising efficiency, stability, or scalability perovskite cells. Tantalum-doped tungsten oxide (Ta-WO x )/conjugated polymer multilayers offer surprisingly small barrier form...
Abstract A major challenge for organic solar cell (OSC) research is how to minimize the tradeoff between voltage loss and charge generation. In early 2019, we reported a non-fullerene acceptor (named Y6) that can simultaneously achieve high external quantum efficiency low OSC. Here, use combination of experimental theoretical modeling reveal structure-property-performance relationships this state-of-the-art OSC system. We find distinctive π–π molecular packing Y6 not only exists in single...
Multi-junction solar cell configurations, where two or further sub-cells with complementary absorption are stacked and connected in series parallel, offer an exciting approach to tackle the single junction limitations of organic cells improve their power conversion efficiency. In this article we aim follow up our previous work review most important novel developments that have been recently reported on tandem cells. addition, some brief theoretical considerations addressing potential cells,...
Abstract A synergic interface design is demonstrated for photostable inorganic mixed‐halide perovskite solar cells (PVSCs) by applying an amino‐functionalized polymer (PN4N) as cathode interlayer and a dopant‐free hole‐transporting poly[5,5′‐bis(2‐butyloctyl)‐(2,2′‐bithiophene)‐4,4′‐dicarboxylate‐ alt ‐5,5′‐2,2′‐bithiophene] (PDCBT) anode interlayer. First, the interfacial dipole formed at reduces workfunction of SnO 2 , while PDCBT with deeper‐lying highest occupied molecular orbital (HOMO)...
The performance of organic solar cells is determined by the delicate, meticulously optimized bulk-heterojunction microstructure, which consists finely mixed and relatively separated donor/acceptor regions. Here we demonstrate an abnormal strong burn-in degradation in highly efficient polymer caused spinodal demixing donor acceptor phases, dramatically reduces charge generation can be attributed to inherently low miscibility both materials. Even though microstructure kinetically tuned for...
Advances in organic photovoltaic technologies have always been closely associated with a deeper understanding of bulk-heterojunction (BHJ) microstructure morphology, which is generally governed by the ink-formulation based on single solvent or mixtures.
Abstract All‐inorganic perovskite semiconductors have recently drawn increasing attention owing to their outstanding thermal stability. Although all‐inorganic solar cells (PSCs) achieved significant progress in recent years, they still fall behind prototype organic–inorganic counterparts severe energy losses. Therefore, there is considerable interest further improving the performance of PSCs by synergic optimization films and device interfaces. This review article provides an overview...
Inline printing and coating methods have been demonstrated to enable a high technical yield of fully roll-to-roll processed polymer tandem solar cell modules. We demonstrate generality by employing different material sets also describe how the ink systems must be carefully co-developed in order reach ambitious objective printed coated 14-layer flexible stack. The methodologies involved are flexographic printing, rotary screen slot-die coating, X-ray scattering, electrical testing...
All-polymer solar cells (all-PSCs) composed of conjugated polymers as both donor and acceptor components in bulk heterojunction photoactive layers have attracted increasing attention. However, it is a big challenge to achieve optimal morphology polymer:polymer blends. In response, we report herein new strategy adjust the nanoscale organization for all-PSCs. Specifically, side chain engineering well-known naphthalene diimide (NDI)-based polymer N2200 modulated by introducing fraction linear...
A scalable, hysteresis-free and planar architecture perovskite solar cell is presented, employing a flame spray synthesized low-temperature processed NiO (LT-NiO) as hole-transporting layer yielding efficiencies close to 18%. Importantly, it found that LT-NiO boosts the limits of open-circuit voltages toward an impressive non-radiative voltage loss 0.226 V only, whereasPSS suffers from significant large recombination losses.
Abstract Almost all highly efficient perovskite solar cells (PVSCs) with power conversion efficiencies (PCEs) of greater than 22% currently contain the thermally unstable methylammonium (MA) molecule. MA‐free perovskites are an intrinsically more stable optoelectronic material for use in but compromise performance PVSCs relatively large energy loss. Here, open‐circuit voltage ( V oc ) deficit is circumvented by incorporation β‐guanidinopropionic acid (β‐GUA) molecules into bulk perovskite,...
Organic-inorganic hybrid perovskites are promising candidates for the next-generation solar cells. Many efforts have been made to study their structures in search a better mechanistic understanding guide materials optimization. Here, we investigate structure instability of single-crystalline CH3NH3PbI3 (MAPbI3) film by using transmission electron microscopy. We find that MAPbI3 is very sensitive beam illumination and rapidly decomposes into hexagonal PbI2. propose decomposition pathway,...
As the power conversion efficiency (PCE) of organic solar cells (OSCs) has surpassed 17% baseline, long-term stability highly efficient OSCs is essential for practical application this photovoltaic technology. Here, photostability and possible degradation mechanisms three state-of-the-art polymer donors with a commonly used nonfullerene acceptor (NFA), IT-4F, are investigated. The active-layer materials show excellent intrinsic photostability. initial morphology, in particular mixed region,...
This review highlights the opportunities and challenges in stability of organic solar cells arising from emergence non-fullerene acceptors.
Organic semiconductors with low synthetic complexity, such as <bold>P3HT</bold>, would be the preferred choice for large-scale production and commercialization.
Superhydrophobic polymer foams are a good candidate for oil absorption because of their lightweight and tunable porosity have promising applications in the long-term application oil-water separation. However, developing facile green strategy to fabricate pure with superhydrophobicity eco-friendliness large-scale separation remains challenge. Here, template-free water-assisted thermally impacted phase approach combined skin peeling fabrication superhydrophobic eco-friendly poly(lactic acid)...
Abstract Tandem organic solar cells are based on the device structure monolithically connecting two to broaden overall absorption spectrum and utilize photon energy more efficiently. Herein, we demonstrate a simple strategy of inserting double bond between central core end groups small molecule acceptor Y6 extend its conjugation length range. As result, new narrow bandgap BTPV-4F was synthesized with an optical 1.21 eV. The single-junction devices as achieved power conversion efficiency over...
While great progress has been achieved in all-polymer solar cells (all-PSCs), the efficiency of all-PSCs is primarily limited by polymer acceptors that lack a high extinction coefficient, electron mobility, and good compatibility with donors. Here we designed developed acceptor PFA1 based on non-fullerene framework fluorine substituent 1,1-dicyanomethylene-3-indanone unit. In combination an electron-donating polymer, PTzBI-oF, blend film presents extended intensified absorption profile,...