- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- Organic Electronics and Photovoltaics
- Chalcogenide Semiconductor Thin Films
- Advanced Sensor and Energy Harvesting Materials
- Organic Light-Emitting Diodes Research
- High Temperature Alloys and Creep
- Modular Robots and Swarm Intelligence
- Nanoplatforms for cancer theranostics
- Thin-Film Transistor Technologies
- Tactile and Sensory Interactions
- Fatigue and fracture mechanics
- nanoparticles nucleation surface interactions
- 2D Materials and Applications
- Advanced ceramic materials synthesis
- Spectroscopy and Laser Applications
- Semiconductor materials and interfaces
- Advanced Surface Polishing Techniques
- Nuclear Materials and Properties
- Nanomaterials and Printing Technologies
- Laser-induced spectroscopy and plasma
- Aluminum Alloy Microstructure Properties
- Aluminum Alloys Composites Properties
- MXene and MAX Phase Materials
Jiangxi Normal University
2021-2024
Beijing National Laboratory for Molecular Sciences
2021-2023
Chinese Academy of Sciences
2001-2023
China Academy of Printing Technology
2022-2023
University of Chinese Academy of Sciences
2023
Institute of Chemistry
2020-2022
Nanchang University
2016-2021
Institute of Polymers
2019-2021
Dalian University of Technology
2006-2008
Abstract The notoriously poor stability of perovskite solar cells is a crucial issue restricting commercial applications. Here, fluorinated perylenediimide (F‐PDI) first introduced into film to enhance the device's photovoltaic performance, as well thermal and moisture simultaneously. conductive F‐PDI molecules filling at grain boundaries (GBs) surface can passivate defects promote charge transport through GBs due chelation between carbonyl noncoordinating lead. Furthermore, an effective...
Abstract The translation of unparalleled efficiency from the lab-scale devices to practical-scale flexible modules affords a huge performance loss for perovskite solar cells (PSCs). degradation is attributed brittleness and discrepancy crystal growth upon different substrates. Inspired by robust crystallization structure vertebrae, herein, we employ conductive glued polymer between indium tin oxide layers, which simultaneously facilitates oriented sticks devices. With results experimental...
Abstract Solar cells based on mixed organic–inorganic halide perovskites are promising photovoltaic technologies with low‐cost and fantastic power conversion efficiency (PCE). Enhancing the nucleation regulating crystallization rate of perovskite films improving bendability brittle hybrid grains crucial to performance flexible solar (PVSCs). Here, a simple approach is first introduced for fabricating full coverage larger crystalline size by incorporating elastomer polyurethane (PU) into...
Abstract Dramatic advances in perovskite solar cells (PSCs) and the blossoming of wearable electronics have triggered tremendous demands for flexible solar‐power sources. However, fracturing functional crystalline films transmittance wastage from substrates are critical challenges to approaching high‐performance PSCs with flexural endurance. In this work, a nanocellular scaffold is introduced architect mechanics buffer layer optics resonant cavity. The releases mechanical stresses during...
Abstract High electronic quality perovskite films with a balanced charge transportation is critical for satisfying high‐performance solar cells (PVSCs). However, the inferior band alignment of tin‐based an adjacent hole‐transport layer (HTL) leads to poor hole and collection. In this work, semiconducting molecule poly[tetraphenylethene 3,3′‐(((2,2‐diphenylethene‐1,1‐diyl)bis(4,1‐phenylene))bis(oxy))bis( N , ‐dimethylpropan‐1‐amine)tetraphenylethene] (PTN‐Br) introduced into lead‐free...
Perovskite solar cells (PSCs) are a promising photovoltaic technology for stretchable applications because of their flexible, light-weight, and low-cost characteristics. However, the fragility crystals poor crystallinity perovskite on substrates results in performance loss. In fact, grain boundary defects "Achilles' heel" optoelectronic mechanical stability. We incorporate self-healing polyurethane (s-PU) with dynamic oxime-carbamate bonds as scaffold into films, which simultaneously...
Sequential deposition is certified as an effective technology to obtain high-performance perovskite solar cells (PVSCs), which can be derivatized into large-scale industrial production. However, dense lead iodide (PbI2 ) causes incomplete reaction and unsatisfactory solution utilization of in planar PVSCs without mesoporous titanium dioxide a support. Here, novel autonomously longitudinal scaffold constructed by the interspersion situ self-polymerized methyl methacrylate (sMMA) PbI2...
The blossoming of organic solar cells (OSCs) has triggered enormous commercial applications, due to their high-efficiency, light weight, and flexibility. However, the lab-to-manufacturing translation praisable performance from lab-scale devices industrial-scale modules is still Achilles' heel OSCs. In fact, it urgent explore mechanism morphological evolution in bulk heterojunction (BHJ) with different coating/printing methods. Here, a general approach upscale flexible photovoltaics module...
In a flexible perovskite solar cell, the bottom interface between and electron-transporting layer is critical in determining its efficiency reliability. High defect concentrations crystalline film fracturing at substantially reduce operational stability. this work, liquid crystal elastomer interlayer intercalated into device with charge transfer channel toughened by aligned mesogenic assembly. The molecular ordering instantly locked upon photopolymerization of diacrylate monomers...
Solar cells based on hybrid organic–inorganic metal halide perovskites are being developed to achieve high efficiency and stability. However, inevitably, there defects in perovskite films, leading poor device performance. Here, we employ an additive-engineering strategy modify the grain boundary (GB) crystal lattice by introducing a strong electron acceptor of 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4TCNQ) into functional layer. Importantly, it has been found that F4TCNQ is...
Biomimetic crystallization has been developed to improve the efficiency and mechanical stability for a wearable stretchable perovskite solar module.
Tin-based perovskite solar cells (PVSCs) have emerged as the most promising lead-free materials owing to their superior optoelectronic properties. However, deficiency of accurate control tin-based crystallization process increases possibility unexpected film morphology and defects, resulting in inferior power conversion efficiency (PCE). Meanwhile, poor environmental stability films hinders its further development. In this work, a unique polymer [poly(ethylene-co-vinyl acetate) (EVA)] is...
Abstract Perovskite solar cells (PVSCs) are promising photovoltaic technologies for realizing power sources with outstanding conversion efficiency (PCE) and low‐cost properties. However, the extraordinary performance can be maximized only if an extremely stabilized device structure is developed. Here, a novel glued poly(ethylene‐ co ‐vinyl acetate) (EVA) interfacial layer introduced to fabricate highly efficient stable PVSCs excellent waterproofness flexibility. This strategy effectively...
Corrosive precursors used for the preparation of organic–inorganic hybrid perovskite photoactive layers prevent application ultrathin metal as semitransparent bottom electrodes in solar cells (PVSCs). This study introduces tin‐oxide (SnO x ) grown by atomic layer deposition (ALD), whose outstanding permeation barrier properties enable design an indium‐tin‐oxide (ITO)‐free electrode /Ag or Cu/SnO ), which is efficiently protected against corrosion. Simultaneously, SnO functions electron...
Abstract Although outstanding power conversion efficiency (PCE) has been achieved in flexible perovskite solar cells, unsatisfactory operational stability and toxicity caused by the moisture transmittance of polymer packaging are still bottleneck challenges that limit their applications. Herein, inspired non‐selective permeability inactivated cell membrane, diphosphatidyl‐glycerol (Di‐g) is tactfully introduced as a self‐shield interface upon layer. 96% lead leakage suppressed because...
An <italic>in situ</italic> bifacial passivation strategy is developed to improve the performance of flexible perovskite solar module during roll-to-roll printing.
Abstract Grain boundary cracks in flexible perovskite films can be repaired by filling with self‐repairing polymers during the preparation and wearable operation. However, are commonly active through external heating or humidification treatments, which cannot match human body's temperature tolerance of devices. Herein, a body temperature‐responsive shape memory polyurethane (SMPU) is demonstrated to achieve real‐time mechanical grain (~37°C). Furthermore, strong intermolecular interaction...
Abstract Organic–inorganic hybrid perovskites are considered ideal candidates for future photovoltaic applications due to their excellent properties. Although solution‐printed manufacturing has shown inherent potential the low‐cost, high‐throughput production of thin‐film semiconductor electronics, high‐quality and high‐reproducibility deposition large‐area perovskite remains a bottleneck that restricts commercialization droplet coffee‐ring effect (CRE). In this study, these issues addressed...
Dramatic development in perovskite solar cells (PSCs) and the widespread application of wearable electronics have attracted extensive research area large-scale flexible power sources based on PSCs. Manufacturing PSCs by printing is considered to be one most potential methods. However, it still a great challenge print large-area uniform hole transport layers (HTLs) rough soft plastic substrate achieve with high efficiency good stability. Herein, we synthesized viscous poly(3,4-ethylene...
Bendable nickel oxide (NiOx) was first fabricated via polydopamine (PDA) modification and applied as an interfacial layer in flexible perovskite solar cells. PDA cross-linked NiOx could release mechanical stress to eliminate the inherent brittleness of inorganic crystals, leading a device exhibit over 70% retention efficiency after 1000 bending cycles.
Perovskite polycrystalline films contain numerous intrinsic and interfacial defects ascribed to the solution preparation process, which are harmful both photovoltaic performance stability of perovskite solar cells (PVSCs). Although various passivators have been proved be promising materials for passivating films, there is still a lack deeper understanding effectiveness different passivation methods. Here, mechanism between antisolvent dripping additive doping strategies on effects in PVSCs...