A5002607257- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- 2D Materials and Applications
- Organic Light-Emitting Diodes Research
- Solid-state spectroscopy and crystallography
- Conducting polymers and applications
- Advancements in Battery Materials
- Ga2O3 and related materials
- MXene and MAX Phase Materials
- Crystallization and Solubility Studies
- Advanced Battery Materials and Technologies
- X-ray Diffraction in Crystallography
- Luminescence Properties of Advanced Materials
- Advanced Memory and Neural Computing
- Ferroelectric and Negative Capacitance Devices
- Graphene research and applications
- Organic Electronics and Photovoltaics
- Geotechnical Engineering and Underground Structures
- Reproductive Biology and Fertility
- Optical properties and cooling technologies in crystalline materials
- Advanced battery technologies research
- Neuroscience and Neural Engineering
- Electromagnetic wave absorption materials
- Glass properties and applications
Tianjin University
2025
Hefei University of Technology
2017-2025
First Affiliated Hospital of Xi'an Jiaotong University
2023-2024
Okinawa Institute of Science and Technology Graduate University
2019-2023
Qinghai University
2022
Shuguang Hospital
2022
Shanghai University of Traditional Chinese Medicine
2022
Nanjing University
2016-2019
Collaborative Innovation Center of Advanced Microstructures
2016-2019
Hefei University
2018-2019
Suppressing nucleation over large areas Although formamidinium-based lead iodide (PbI 2 ) perovskites have a favorable bandgap and good thermal stability, the difficulty in controlling makes it difficult to grow high-quality, large-area films compared with methylammonium counterparts. Bu et al. show that adding N -methyl-2-pyrrolidone perovskite precursors forms an adduct PbI promotes formation of desired black α-phase at room temperature. The addition potassium hexafluorophosphate...
Abstract Rational design of heterostructures opens up new opportunities as an ideal catalyst system for lithium polysulfides conversion in lithium-sulfur battery. However, its traditional fabrication process is complex, which makes it difficult to reasonably control the content and distribution each component. In this work, rationally heterostructure, atomic layer deposition utilized hybridize TiO 2 -TiN heterostructure with three-dimensional carbon nanotube sponge. Through optimizing...
MXenes have been demonstrated as a potential candidate in the field of photovoltaics and energy storage owing to their high transmittance, metallic conductivity tunable work function.
Halogen vacancies are of great concern in blue-emitting perovskite quantum-dot light-emitting diodes because they affect their efficiency and spectral shift. Here, an enriched-bromine surface state is realized using a facile strategy that employs PbBr2 stock solution for anion exchange based on Cd-doped quantum dots. It found the doped Cd ions expected to reduce formation energy halogen filled by external bromine ions, excess free enriched anchoring with as sites, accompanied shedding...
The long-term stability of perovskite solar cells remains one the most important challenges for commercialization this emerging photovoltaic technology. Here, we adopt a non-noble metal/metal oxide/polymer multiple-barrier to suppress halide consumption and gaseous decomposition products release with chemically inert bismuth electrode Al2O3/parylene thin-film encapsulation, as well tightly closed system created by jointly degradation cells, allowing corresponding reactions reach benign...
Abstract Benefiting from powerful logic‐computing, higher packaging density, and extremely low electricity consumption, memristors are regarded as the most promising next‐generation of electric devices capable realizing brain‐like neuromorphic computation. However, design emerging circuit based on their potential application in unconventional fields very meaningful for achieving some tasks that traditional electronic cannot accomplish. Herein, a Cu/PEDOT:PSS‐PP:PVDF/Ti structured memristor...
Abstract Inorganic perovskites with special semiconducting properties and structures have attracted great attention are regarded as next generation candidates for optoelectronic devices. Herein, using a physical vapor deposition process controlled excess of PbBr 2 , dual‐phase all‐inorganic perovskite composite CsPbBr 3 –CsPb Br 5 thin films prepared light‐harvesting layers incorporated in photodetector (PD). The PD has high responsivity detectivity 0.375 A W −1 10 11 Jones, respectively,...
Inorganic CsPbX3 (X = Cl, Br, I, or hybrid among them) perovskite quantum dots (IPQDs) are promising building blocks for exploring high performance optoelectronic applications. In this work, the authors report a new structure that marries IPQDs to silicon nanowires (SiNWs) radial junction structures achieve ultrafast and highly sensitive ultraviolet (UV) detection in solar-blind spectrum. A compact uniform deployment of upon sidewall low-reflective 3D junctions enables strong light field...
A derivative-phase CsPb<sub>2</sub>Br<sub>5</sub> is introduced into inorganic perovskite solar cells, which will effectively eliminate interface defects, lower the energy barrier of electron transport layer and suppress recombination at hole in devices.
Abstract In addition to high efficiencies, upscaling and long‐term operational stability are key pre‐requisites for moving perovskite solar cells toward commercial applications. this work, a strategy fabricate large‐area uniform dense films with thickness over one‐micrometer via two‐step coating process by introducing NH 4 Cl as an additive in the PbI 2 precursor solution is developed. Incorporation of induces formation intermediate phases x [NH + ]·[PbI ] − HPbI 3− , which can effectively...
Hybrid perovskite photodetectors (PDs) exhibit outstanding performance in the ultraviolet–visible (UV–vis) spectrum but have poor detectability deep ultraviolet (DUV) region (200–350 nm). In this work, a novel inorganic–hybrid architecture that incorporates dual-phase (CsPbBr3–Cs4PbBr6) inorganic material as down-conversion window layer and hybrid light capture was prepared to achieve faster, highly sensitive photodetection DUV spectrum. A film coated on back surface of photodetector enables...
Cs<sub>2</sub>AgBiBr<sub>6</sub>single crystal photodetectors using Ag electrodes under different wavelength at room condition showed the excellent photo-response with Ohmic-contact among (Au, and Al).
Inorganic perovskite materials have demonstrated outstanding performance in the field of photovoltaic devices due to their superior charge carrier transport properties and excellent thermal stability. In particular, inorganic derivative phases show special terms phase stability optoelectronic application, especially transition investigation. However, commercial applications still face challenges large recombination at interface, resulting poor efficiency metastable such as iodide existing...
Inorganic perovskite solar cells (PSCs) have attracted enormous attention during the past 5 years. Many advanced strategies and techniques been developed for fabricating inorganic PSCs with improved efficiency stability to realize commercial applications. CsPbBr3 is one of representative materials perovskites has demonstrated excellent against thermal high humidity environmental conditions. The power conversion CsPbBr3-based increased significantly from 5.95% in 2015 10.91%, storage under...
Lead-free tin perovskite solar cells (PSCs) have undergone rapid development in recent years and are regarded as a promising eco-friendly photovoltaic technology. However, strategy to suppress charge recombination via built-in electric field inside crystal is still lacking. In the present study, formamidinium iodide (FASnI3) absorber with vertical Sn2+ gradient was fabricated using Lewis base-assisted recrystallization method enhance minimize bulk loss perovskites. Depth-dependent X-ray...
Two-dimensional Ruddlesden–Popper (RP) and Dion–Jacobson (DJ) phase perovskites are promising alternatives to fabricate blue perovskite light-emitting diodes (PeLEDs) due their strong quantum/dielectric confinement. While the RP have been widely used as emitter layers in PeLEDs, DJ perovskites, possessing better structural stability charge transfer property, received little attention. Here, we report use of for fabricating efficient sky-blue PeLEDs. Organic diamine propane-1,3-diammonium...
Tin dioxide (SnO2) has been demonstrated as one of the promising electron transport layers for high-efficiency perovskite solar cells (PSCs). However, scalable fabrication SnO2 films with uniform coverage, desirable thickness and a low defect density in modules (PSMs) is still challenging. Here, we report preparation high-quality large-area by chemical bath deposition (CBD) addition KMnO4. The strong oxidizing nature KMnO4 promotes conversion from Sn(II) to Sn(VI), leading reduced trap...
Abstract Hybrid chemical vapor deposition (HCVD) is a promising method for the up‐scalable fabrication of perovskite solar cells/modules (PSCs/PSMs). However, efficiency HCVD‐based cells still lags behind solution‐processed PSCs/PSMs. In this work, oxygen loss electron transport layer SnO 2 in HCVD process and its negative impact on cell device performance are revealed. As counter‐measure, potassium sulfamate (H KNO 3 S) introduced as passivation to both mitigate issue passivate...
Abstract Lead‐free halide perovskites are emerging as promising eco‐friendly candidates for next‐generation solid‐state lighting because of their nontoxicity and availability broad emission. Herein, a modified room‐temperature anti‐solvent precipitation method is developed to synthesize the Sb 3+ ‐doped, In‐based, lead‐free in microplate/microcrystal structure with different emission colors. The layered InCl 3 serves template growth Cs 2 5 (H O):Sb microplate phosphors. Moreover, presence...
Inorganic lead-free perovskite nanocrystals (NCs) with broadband self-trapped exciton (STEs) emission and low toxicity have shown enormous application prospects in the field of display lighting. However, white light-emitting diodes (WLEDs) based on a single-component material high photoluminescence quantum yield (PLQY) remain challenging. Here, we demonstrate novel codoping strategy by introducing Sb3+/Mn2+ ions to achieve tuneable dual Cs3InCl6 NCs. The PLQY increases 59.64% after doping...
Organometal halide perovskite materials are outstanding candidates not only for solar cells but also photo-detection.