A5008306382- Perovskite Materials and Applications
- Organic Light-Emitting Diodes Research
- Quantum Dots Synthesis And Properties
- Conducting polymers and applications
- Cancer Cells and Metastasis
- TGF-β signaling in diseases
- Innovative Microfluidic and Catalytic Techniques Innovation
- Chalcogenide Semiconductor Thin Films
- Enzyme Catalysis and Immobilization
- Electrical and Thermal Properties of Materials
- Photochromic and Fluorescence Chemistry
- Cancer, Hypoxia, and Metabolism
- Hedgehog Signaling Pathway Studies
- Solid-state spectroscopy and crystallography
- Organic Electronics and Photovoltaics
- Protein Degradation and Inhibitors
- VLSI and FPGA Design Techniques
- NF-κB Signaling Pathways
- Cancer, Stress, Anesthesia, and Immune Response
- Flavonoids in Medical Research
- Luminescence Properties of Advanced Materials
- Advanced Algorithms and Applications
- Chronic Kidney Disease and Diabetes
- Advanced Sensor and Control Systems
- Mechanical and Optical Resonators
Linköping University
2018-2025
Shanghai Pulmonary Hospital
2008-2024
Center for Nano Science and Technology
2022-2024
Italian Institute of Technology
2022-2024
Tongji University
2008-2024
Sichuan Integrative Medicine Hosipital
2024
Chengdu University of Traditional Chinese Medicine
2024
Nanjing Tech University
2023-2024
Xinjiang Technical Institute of Physics & Chemistry
2015
Chinese Academy of Sciences
2015
Despite rapid improvements in efficiency and brightness of perovskite light-emitting diodes (PeLEDs), the poor operational stability remains a critical challenge hindering their practical applications. Here, we demonstrate greatly improved high-efficiency PeLEDs, enabled by incorporating dicarboxylic acids into precursor for depositions. We reveal that efficiently eliminate reactive organic ingredients emissive layers through an situ amidation process, which is catalyzed alkaline zinc oxide...
Pure-red perovskite LEDs (PeLEDs) based on CsPb(Br/I)3 nanocrystals (NCs) usually suffer from a compromise in emission efficiency and spectral stability account of the surface halide vacancies-induced nonradiative recombination loss, phase segregation, self-doping effect. Herein, "halide-equivalent" anion benzenesulfonate (BS- ) is introduced into NCs as multifunctional additive to simultaneously address above challenging issues. Joint experiment-theory characterizations reveal that BS- can...
Achieving high-performance perovskite light-emitting diodes (PeLEDs) with pure-red electroluminescence for practical applications remains a critical challenge because of the problematic luminescence property and spectral instability existing emitters. Herein, high-efficiency Rec. 2020 PeLEDs, simultaneously exhibiting exceptional brightness stability, based on CsPb(Br/I)3 nanocrystals (NCs) capping aromatic amino acid ligands featuring cation-π interactions, are reported. It is proven that...
Abstract Although perovskite light-emitting diodes (PeLEDs) have recently experienced significant progress, there are only scattered reports of PeLEDs with both high efficiency and long operational stability, calling for additional strategies to address this challenge. Here, we develop perovskite-molecule composite thin films efficient stable PeLEDs. The consist in-situ formed high-quality nanocrystals embedded in the electron-transport molecular matrix, which controls nucleation process...
Perovskite light-emitting diodes (PeLEDs) have recently shown significant progress with external quantum efficiencies (EQEs) exceeding 20%. However, PeLEDs pure-red (620-660 nm) light emission, an essential part for full-color displays, remain a great challenge. Herein, general approach of spacer cation alloying is employed in Ruddlesden-Popper perovskites (RPPs) efficient red precisely tunable wavelengths. By simply tuning the ratio dual cations, thickness distribution wells RPP films can...
Abstract Lead‐halide perovskites have received extensive attention in X‐ray imaging applications recently. However, their poor stability, lead toxicity, and strong light self‐absorption seriously limit the commercial development. Here, we report a vacancy‐ordered Cs 2 HfCl 6 double perovskite for scintillators applications. The microcrystals (MCs) are characterized by broadband blue emission with large Stokes shift. Joined experimental‐theoretical characterizations reveal highly localized...
Light-emitting diodes (LEDs) with different emission spectra are widely used in daily life for a variety of applications. However, due to fundamental restrictions light-emitting materials, the development near-infrared LEDs (NIR-LEDs) is still modest. Recently, solution-processed tin-halide perovskites (THPs) have emerged as one most promising materials NIR-LED In this Perspective, we start discussing peculiarities THP semiconductors and how their electronic properties affect light...
Bandgap tuning through mixing halide anions is one of the most attractive features for metal perovskites. However, mixed perovskites usually suffer from phase segregation under electrical biases. Herein, we obtain high-performance and color-stable blue perovskite LEDs (PeLEDs) based on bromide/chloride three-dimensional (3D) structures. We demonstrate that color instability CsPb(Br1–xClx)3 PeLEDs results surface defects at grain boundaries. By effective defect passivation, achieve...
Abstract The development of perovskite light‐emitting diodes (PeLEDs) with both high efficiency and excellent stability remains challenging. Herein, a strong correlation between the lattice strain in films resulting PeLEDs is revealed. Based on high‐efficiency PeLEDs, device lifetime optimized by rationally tailoring films. A PeLED peak external quantum 18.2% long 151 h ( T 70 , under current density 20 mA cm −2 ) realized minimized film. In addition, an increase found during long‐time test,...
Abstract Objectives Baicalin, a natural flavone, has antithrombotic, antihyperlipidemic and antiinflammortory activity. It can also inhibit cancer cell proliferation reduce brain apoptosis. This study aimed to elucidate the effect of baicalin on excessive human pulmonary arterial smooth muscle cells (HPASMCs) induced by transforming growth factor-β1 (TGF-β1) investigate roles hypoxia inducible factor-1α (HIF-1α) aryl hydrocarbon receptor (AhR) in mediating this TGF-β1-induced HPASMCs....
Abstract Ruddlesden–Popper perovskites (RPPs), consisting of alternating organic spacer layers and inorganic layers, have emerged as a promising alternative to 3D for both photovoltaic light‐emitting applications. The provide wide range new possibilities tune the properties even functionalities RPPs. However, preparation state‐of‐the‐art RPPs requires ammonium halides starting materials, which need be ex situ synthesized. A novel approach prepare high‐quality RPP films through in formation...
Abstract Despite quick development of perovskite light‐emitting diodes (PeLEDs) during the past few years, fundamental mechanisms on how ion migration affects device efficiency and stability remain unclear. Here, it is demonstrated that dynamic redistribution mobile ions in emissive layer plays a key role performance PeLEDs can explain range abnormal behaviours commonly observed measurement. The changes charge–carrier injection leads to increased recombination current; at same time, also...
Abstract The development of highly efficient blue perovskite light‐emitting diodes (PeLEDs) remains a big challenge, requiring more fundamental investigations. In this work, significant photoluminescence enhancement in mixed halide films is demonstrated by using molecule, benzylphosphonic acid, which eventually doubles the external quantum efficiency to 6.3% sky‐blue PeLEDs. achieved forming an oxide‐bonded surface at grain boundaries and suppressing electron–phonon interaction, enhances...
Abstract IL-2 is critical to the activation, growth, and survival of T cells NK cells, maintains delicate balance between auto-immunity anti-neoplasm surveillance. High doses have clear antitumor capabilities, but also severe side effects that limit its clinical use. Side include vascular leak syndrome (VLS), which results in lung edema liver damage. Therefore, a new version does not induce organ toxicity would improve IL-2-based immunotherapy. We conducted systematic screening by changing...
Solution-processed tin dioxide is employed as an electron transport layer in n–i–p-structured perovskite light-emitting diodes realizing EQE of 7.9%.
Abstract Semiconductor quantum dots (QDs) are among the most promising next‐generation optoelectronic materials. QDs generally obtained through either epitaxial or colloidal growth and carry promise for solution‐processed high‐performance devices such as light‐emitting diodes (LEDs), solar cells, etc. Herein, a straightforward approach to synthesize perovskite demonstrate their applications in efficient LEDs is reported. The with controllable crystal sizes properties situ synthesized...
It is widely acknowledged that constructing small injection barriers for balanced electron and hole injections essential light-emitting diodes (LEDs). However, in highly efficient LEDs based on metal halide perovskites, a seemingly large barrier usually observed. Here we rationalize this high efficiency through surfactant-induced effect where the concentration at perovskite surface enhanced to enable sufficient bimolecular recombination pathways with injected electrons. This originates from...
The interfaces between the charge extraction layers and perovskite layer are critical in defining performance stability of wide-bandgap (WBG) solar cells (PSCs). They govern multiple critical...
We demonstrated a single-emissive-layer all-perovskite white light-emitting diode based on mixed halide perovskite film.
Ruddlesden-Popper perovskites (RPPs) have been demonstrated as a very promising approach for tuning the emission color of perovskite light-emitting diodes (PeLEDs). However, achieving high-performance red PeLEDs with recommendation 2020 coordinates is still challenging due to lack reasonable control over properties RPP films. Here, we demonstrate that judicious selection spacer cations in RPPs affords lever engineering their film properties, including phase distribution, energy funneling...
Abstract Non‐small cell lung cancer (NSCLC) patients carrying EGFR activating mutations treated with gefitinib, a tyrosine kinase inhibitor, will develop drug resistance. Ubiquitylation is one of major posttranslational modifications proteins affecting the stability or function proteins. However, role protein ubiquitylation in gefitinib resistance poorly understood. To systematically identify global change expression and during resistance, quantitative proteome ubiquitylome study pair...