A5066538907- Liquid Crystal Research Advancements
- Photonic Crystals and Applications
- Transition Metal Oxide Nanomaterials
- Photochromic and Fluorescence Chemistry
- Photonic and Optical Devices
- Advanced Sensor and Energy Harvesting Materials
- Advanced Materials and Mechanics
- Thermal Radiation and Cooling Technologies
- Nonlinear Optical Materials Studies
- Semiconductor Lasers and Optical Devices
- Photochemistry and Electron Transfer Studies
- Synthesis and properties of polymers
- Polydiacetylene-based materials and applications
- Aerogels and thermal insulation
- Surfactants and Colloidal Systems
- Supramolecular Self-Assembly in Materials
- Stock Market Forecasting Methods
- Organic Electronics and Photovoltaics
- Silicone and Siloxane Chemistry
- Phase-change materials and chalcogenides
- Optical Polarization and Ellipsometry
- Perovskite Materials and Applications
- Forecasting Techniques and Applications
- Quantum Dots Synthesis And Properties
- Energy Load and Power Forecasting
University of Science and Technology Beijing
2012-2025
Peking University
2015-2020
State Council of the People's Republic of China
2015
Beijing Institute of Technology
2015
Nanyang Technological University
2013
Abstract Imitating the structures and behaviors of natural creatures is great significance to scientists explore novel materials for practical applications. However, design fabrication biomimetic devices with complex outstanding performances still on way. A bilayer film composed liquid crystalline networks (LCN) hydrochromic aggregation‐induced‐emission molecule‐doped hydrophilic layer prepared. Under different relative humidity, composite can deform change fluorescence color simultaneously....
Abstract Quantum dots (QDs) are semiconductor nanoparticles (NPs) that have gained significant interest in the academia and industry because of their unique optoelectronic properties such as tunable emission wavelength, high color purity, wide gamut, photoluminescence quantum yield. However, it remains a challenge to fabricate QD colloid or solution into solid devices featuring desired patterns maintaining efficiency. Recently, researchers shown progress efficiency improvement device...
Abstract Structural colorants for ecological fabric dyeing are typically microscale colloidal arrays involving complex and time‐consuming self‐assembly, it remains a challenge to perform efficient large‐scale double‐sided on disordered surfaces without sacrificing wearing experience. Innovatively, A photonic nanopigment, composed of hollow silica nanospheres with metasurfaces high surface‐charge is designed overcome the aforementioned challenge. They individually generate non‐iridescent...
A novel soft-matter composite film of ethylene-vinyl acetate and liquid crystal with an energy conservation efficiency 40.4% is developed.
Smart windows with synergetic light modulation have heightened demands for applications in smart cars and novel buildings. However, improving the on-demand energy-saving efficiency is quite challenging due to difficulty of modulating sunlight a broad bandwidth an way. Herein, window switchable near-infrared transmittance passive radiative cooling prepared via monomer design strategy photoinduced polymerization. The effects hydrogen bonds fluorine groups acrylate monomers on electro-optical...
Abstract Dynamic controllability of self‐organized helical superstructures in spatial dimensions is a key step to promote bottom‐up artificial nanoarchitectures and functional devices for diverse applications variety areas. Here, light‐driven chiral overcrowded alkene molecular motor with rod‐like substituent designed synthesized, its thermal isomerization reaction exhibits an increasing structural entropy effect on chemical kinetic analysis anisotropic achiral liquid crystal host than that...
Polymer-dispersed liquid crystals (PDLCs) show great application potential in the areas of displays and smart windows. However, their electro-optical (E-O) properties such as contrast ratio threshold voltage still need further improvement. In this study, effects α-substituted acrylate monomers on morphology E-O PDLC composite films were systematically studied. It was found that large substituent tended to increase void size polymer matrix, while small fluorine substitution led a...
Abstract In this paper, the effect of p – n heterostructures on electro‐optical and heat regulation performances polymer dispersed liquid crystal (PDLC) dimming films are studied. detail, WO 3 , Ag 2 O, /Ag O successfully synthesized via co‐precipitation method. The products analyzed by XRD, SEM, TEM, XPS results demonstrated that nanorods grew surface O. Compared to primitive sample, incorporation into composite significantly enhances properties. For a 20µm‐thick film, saturation voltage (V...
Abstract Circularly polarized luminescence (CPL) holds great potential for next‐generation display techniques. However, dynamic, multicolor CPL with high luminescent quantum yield (PLQY) and tunable dissymmetry factor ( g lum ) based on cost‐effective, sustainable materials is scarcely attainable. Herein, a straightforward approach proposed engineering cellulose nanocrystal (CNC) chiral superstructures loaded aggregation‐induced emission luminogens (AIEgens) through the evaporation‐induced...
Polymer-stabilized liquid crystal (PSLC) dimming film has attracted widespread attention due to its normally transparent state, energy-saving capability, and excellent electro-optical performance, which promising applications in smart cars building windows. However, achieving good performance high peel strength simultaneously still remains challenging. In this study, a PSLC based on monoepoxy diepoxy monomers was prepared through rapid cationic polymerization, showing low driving voltages...
Abstract The advancement of sophisticated smart windows exhibiting superior thermoregulation capabilities in both solar spectrum and long-wave infrared range maintains a prominent objective for researchers this field. In study, Janus window is proposed prepared based on polymer-stabilized liquid–crystal films/thermochromic materials. It can achieve switchable front emissivity ( ε Front ) modulation ability (Δ T sol through dynamic flipping, making it suitable different seasonal energy-saving...
Polymer dispersed liquid crystal (PDLC) films with the size gradient of LC droplets were prepared based on epoxy/acrylate hybrid polymer matrix. The ultraviolet (UV) intensity was induced by UV-absorbing dye over thickness samples. Taking advantage difference between epoxy monomers and acrylate in polymerisation rates UV gradient, distribution droplet formed PDLC films. effect electro-optical light-scattering properties investigated. results showed that due to droplets, could exhibit strong...
In this work, the effects of methacrylate monomers with various end groups (methyl, hydroxyl, epoxy, tetrahydrofuran, cyclohexane, benzene and siloxane) on morphologies, electro-optical mechanical properties polymer dispersed liquid crystal (PDLC) composite films were systematically investigated. The network morphologies samples prepared butyl methacrylate, tetrahydrofurfuryl cyclohexyl or benzyl observed, interestingly balls ball-networks formed by introducing hydroxypropyl glycidyl...
In the present paper, influence of functionality thiol monomers and acrylate crosslinkers, as well crosslinker chain length on polymer morphologies electro-optical properties PDLC films, were systematically investigated. Results revealed that increasing monomers, both threshold voltage (Vth) saturation (Vsat) increased due to dense microstructures resulting from higher reactivity monomers. However, with Vth was evidently, but a relatively small rise Vsat found moderate monomer. Additionally,...
Abstract Polymer dispersed liquid crystals (PDLCs) have shown great potential in applications, such as displays and smart windows. However, the driving voltage contrast ratio are still far from requirement. In this work, acrylate monomers with different alkyl chains were applied to prepare PDLC films. Then electro‐optical performance microstructure characterized compared. Results show that can be improved by nearly 50% through adjusting chain length. Meanwhile, slightly increased voltages...
Polymer-stabilized liquid crystal (PSLC) is a promising material toward the practical application of serving as energy-saving reverse-mode smart windows owing to its superior electro-optical (E-O) properties, simple and efficient processability, compatibility most circumstances. However, feeble peel strength originated from low polymer content poor adhesion between networks substrates inhibited large-scale flexible film production. It still challenging task derive good mechanical properties...