A5100356185- Perovskite Materials and Applications
- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Luminescence and Fluorescent Materials
- Organic Light-Emitting Diodes Research
- 2D Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Luminescence Properties of Advanced Materials
- MXene and MAX Phase Materials
- Solid-state spectroscopy and crystallography
- Quantum Dots Synthesis And Properties
- Molecular Sensors and Ion Detection
- Thin-Film Transistor Technologies
- Optical properties and cooling technologies in crystalline materials
- Ga2O3 and related materials
- Solid State Laser Technologies
- Graphene research and applications
- Nanowire Synthesis and Applications
- Advanced Memory and Neural Computing
- Advanced Sensor and Energy Harvesting Materials
- Porphyrin and Phthalocyanine Chemistry
- ZnO doping and properties
- Crystallization and Solubility Studies
- Crystallography and molecular interactions
- Organic and Molecular Conductors Research
State Key Laboratory of Crystal Materials
2014-2025
Shandong University
2016-2025
Xi'an University of Architecture and Technology
2023-2024
Tianjin University
2021-2024
Hubei Engineering University
2023-2024
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2022-2024
Wuhan National Laboratory for Optoelectronics
2022-2023
Huazhong University of Science and Technology
2022-2023
Xi'an Polytechnic University
2023
Nanjing University of Science and Technology
2023
Abstract Aggregation‐induced emission (AIE) has been harnessed in many systems through the principle of restriction intramolecular rotations (RIR) based on mechanistic understanding from archetypal AIE molecules such as tetraphenylethene (TPE). However, family AIE‐active grows, RIR model cannot fully explain some phenomena. Here, we report a broadening mechanism analysis 10,10′,11,11′‐tetrahydro‐5,5′‐bidibenzo[a,d][7]annulenylidene (THBDBA), and 5,5′‐bidibenzo[a,d][7]annulenylidene (BDBA)....
Abstract Perovskite single crystals have recently been regarded as emerging candidates for photovoltaic application due to their improved optoelectronic properties and stability compared polycrystalline counterparts. However, high interface bulk trap density in micrometer‐thick thin strengthen unfavorable nonradiative recombination, leading large open‐circuit voltage ( V OC ) energy loss. Herein, hydrophobic poly(3‐hexylthiophene) (P3HT) molecule is incorporated into a hole transport layer...
Abstract The rapid development of low bandgap polymer acceptors has promoted the efficiency up to ≈17% for all‐polymer solar cells (all‐PSCs). Nevertheless, polymeric blend film, core photoelectric conversion all‐PSCs, not been thoroughly understood in terms influence and regulatory factors mechanical properties, which hinders advances flexible wearable applications. Herein, a range characterization methods is combined investigate miscibility, film microstructure blends based on several...
Perovskite single crystals and polycrystalline films have complementary merits deficiencies in X-ray detection imaging. Herein, we report preparation of dense smooth perovskite microcrystalline with both through polycrystal-induced growth hot-pressing treatment (HPT). Utilizing as seeds, multi-inch-sized can be situ grown on diverse substrates maximum grain size reaching 100 μm, which endows the comparable carrier mobility-lifetime (μτ) product crystals. As a result, self-powered detectors...
Aggregation induced emission (AIE) is an amazing property for light emitting materials and has attracted much attention. Here, we report a new kind of AIE materials: fluorenone derivates 2,7-dip-tolyl-fluorenone (DTFO) 2,7-bis(4-(tert-butylthio)phenyl)-fluorenone (DSFO). Strong emissions with large Stokes shift long lifetime in the solid state originate from formation excimers. The crystal structure DSFO shows that every two molecules are bound together even ground by intermolecular hydrogen...
Abstract Ultraviolet (UV) photodetectors with high responsivity and fast response are crucial for practical applications. Double perovskite Cs 2 AgBiBr 6 has emerged as a promising optoelectronic material due to its excellent physics photoelectric properties. However, no work is reported based on film photodetector Herein, an ITO/SnO /Cs /Au hole‐transport layer free planar heterojunction device fabricated application. The self‐powered two peaks at 350 435 nm, which suitable ultraviolet‐A...
Abstract Transition metal phosphorus trichalcogenides (MPX 3 , X = S, Se) are layered materials possessing high chemical diversity and wide range of applications in a broad wave length spectrum. Theoretical studies reveal that auspicious activity photocatalytic water splitting can be realized from them. However, experimental efforts have so far been challenged with the synthesis bottleneck. Described herein is general vapor deposition (CVD) growth method these materials. A novel route to...
With existing and emerging technologies urgently demanding the expansion of laser wavelengths, high-performance nonlinear optical (NLO) crystals are becoming indispensable. Here, a prospective NLO crystal, Li2ZrTeO6, is rationally designed by element substitution Nb for Zr Te from LiNbO3, which has been recognized as one most commercial crystals. Li2ZrTeO6 with R3 symmetry inherits structural merits LiNbO3 (space group c) thus meets requirements applications, including noncentrosymmetric...
Organic single crystals manifest the intrinsic physical properties of materials. However, traditional growth organic is limited by low solubility from solutions or complexity vapor deposition. Here we report a new method to grow microspacing in-air sublimation, which avoids costly vacuum system and time-consuming procedures practical for wide range crystals. In situ crystal observation revealed an unprecedented vapor-to-melt-to-crystal mechanism, resulting micrometer scale spacing distance...
Although room-temperature phosphorescence (RTP) organic materials are a widely-studied topic especially popular in recent decades, long-lived RTP able to fulfil broad time-resolved application requirements reliably, still rare. Polymeric doped with phosphorescent chromophores generally feature high productivity and diverse applications, compared their crystalline counterparts. This study proves that pure polycyclic aromatic hydrocarbons (PAHs) may even outperform containing hetero- or...
The time-dependent evolution of a P3HT:nonfullerene blend was revealed during annealing. optimal gives 10.7%, which breaks the 10% benchmark for P3HT-solar cells.
Abstract Solar cells featuring polythiophenes as donors are one of the optoelectronic devices that hold notable promises for commercial application, profiting from lowest synthetic complexity and excellent scalability. However, complex phase behaviors their blends put constraints on modulating electrical performance thus realizing stable under thermal stress. In this contribution, we present a multi‐technique approach combines calorimetry, scattering, spectroscopy, microscopy to thoroughly...
Abstract Upscaling of efficient flexible organic solar cells (OSCs) is still a challenging task, where transparent electrode key limiting factor. Silver nanowires (AgNWs) are widely used as electrodes to fabricate small‐area OSCs, but the high surface roughness AgNWs causes large leakage current and performance deterioration in large‐area OSCs. In this study, it reported that strategy switching bottom top Ag film avoid detrimental effect electrodes. Mechanical robustness has been enhanced by...
Abstract Surface antibacterial coatings with outstanding efficiency have attracted increasing attention in medical protective clothing and cotton surgical clothing. Although nanozymes, as a new generation of antibiotics, are used to combat bacteria, their catalytic performance remains far from satisfactory alternatives natural enzymes. Single‐atom nanodots provide solution the low activity bottleneck nanozymes. Here, atomically thin C 3 N 4 supported single Cu atom nanozymes (Cu‐CNNDs)...
Perovskite materials and their applications in optoelectronics have attracted intensive attentions recent years. However, in-depth understanding about anisotropic behavior ultrafast carrier dynamics is still lacking. Here we explore the dynamical evolution of photo-excited carriers photoluminescence based on differently-oriented MAPbBr
Numerous reports have suggested that the performance of organic optoelectronic devices based on field-effect transistors (OFETs) is largely dependent their interfaces. Self-assembled monolayers (SAMs) been commonly used to engineer interfaces high-performance devices, particularly due well-defined structures and simple operation process through chemical adsorption growth. In this review, OFETs SAM-modified are described, while different SAMs characterized. Furthermore, recent advances in...
Abstract As the kernel component of X‐ray imaging systems, mainstream flat‐panel detectors suffer from image distortion and blurring when applied to irregular shaped objects, because non‐conformal collocation between detector object. Herein, by taking advantage robust glass‐forming capability versatile processability (TPT) 2 MnBr 4 (TPT = propyltriphenylphosphonium) scintillator, reconfigurable scintillation screen for conformal is explored. Compared flexible polymer screens doped with...
Even though black phosphorus (BP) has exhibited outstanding capabilities in biomedical, physical, and energy fields, the issues of degradation under ambient conditions unreactive functional interface limit its further application. There are numerous methodologies utilized to prevent BP degradation; however, these methods usually generate problems normally do not involve alterations chemically inert BP. Herein, for first time, we propose a simple efficient strategy prepare modify nanosheets...
Abstract Side chain engineering is a widely explored strategy in the molecular design for non‐fullerene acceptors (NFAs). Although relationship between side structures and optoelectronic properties of NFAs well clarified, effect on stability their corresponding organic solar cells (OSCs) rarely reported. Herein, series Y‐family with varying side‐chains are studied to investigate degradation upon multiple stresses including water, oxygen from ambient, chemical environment ZnO electron...
Sustainable synthesis of polythiophenes (e.g., P3HT) is highly desired for the development low-cost organic solar cells. Regulating regioregularity P3HT a promising way to boost its performance. Yet, few eco-friendly methods can prepare with tunable regioregularity. Herein, we put forward facile strategy finely modulate from 90% 98% by tuning molar ratio two ligands in direct arylation polycondensation. Moreover, ligand effect on well elucidated DFT calculations, and non-fullerene cells...
Metal halide perovskites have been demonstrated as potential X-ray detection materials due to their high defect tolerance, large diffusion length, and attenuation efficiency. detectors based on hot-pressed perovskite wafers are investigated intensively recently because of the convenience scalable fabrication. However, in spite crystal size within wafers, prepared usually suffer from severe ion migration current drift under both dark bright states. In this work, ethylenediamine dihydroiodate...