A5021979318- Quantum Dots Synthesis And Properties
- Perovskite Materials and Applications
- Metamaterials and Metasurfaces Applications
- Plasmonic and Surface Plasmon Research
- Nanowire Synthesis and Applications
- Chalcogenide Semiconductor Thin Films
- 2D Materials and Applications
- Terahertz technology and applications
- Gas Sensing Nanomaterials and Sensors
- Gold and Silver Nanoparticles Synthesis and Applications
- Advanced Fiber Laser Technologies
- Ga2O3 and related materials
- Mosquito-borne diseases and control
- Photonic and Optical Devices
- Antenna Design and Analysis
- ZnO doping and properties
- Semiconductor Quantum Structures and Devices
- Conducting polymers and applications
- Advanced Semiconductor Detectors and Materials
- Parasitic infections in humans and animals
- Neuroendocrine Tumor Research Advances
- Random lasers and scattering media
- Global Maternal and Child Health
- Advanced Antenna and Metasurface Technologies
- Malaria Research and Control
Jiangsu University
2019-2025
Anhui Medical University
2024-2025
Xinjiang Uygur Autonomous Region Disease Prevention and Control Center
2023-2024
Jiamusi University
2024
Northeastern University
2018-2023
Center for Disease Control
2023
Guangdong Provincial People's Hospital
2022
Tianjin University
2016-2021
Zhanjiang Experimental Station
2019
QuantumCTek (China)
2016
To characterize the clinical features of IgG4-related disease (IgG4-RD) in China.A prospective cohort study IgG4-RD was carried out Peking Union Medical College Hospital between 2011 and 2013. Patients with newly diagnosed were enrolled.A total 118 patients enrolled, including 82 males 36 females, aged 53.1 (s.d. 13.6) years. The most common symptom at onset lacrimal gland swelling (38/32.2%). A range organs involved: 77 (65.3%) had lymphadenopathy, 76 (64.4%) sialadenitis, 60 (50.8%)...
Organic lead halide perovskites have received a huge amount of interest since emergence, because tremendous potential applications in optoelectronic devices. Here field effect phototransistors (FEpTs) based on CH3NH3PbI3 perovskite/PbSe colloidal quantum dot heterostructure are demonstrated. The high light absorption and optoelectric conversion efficiency, due to the combination perovskite dots, maintain responsivities level, especially at 460 nm up 1.2 A/W. phototransistor exhibits bipolar...
A biosensor based on electromagnetically induced transparent (EIT) metamaterials (MMs) is proposed owing to the low loss and high Q-factor. The theoretical sensitivity of EIT-like MMs were evaluated up 248.8 GHz/RIU (RIU, Refractive Index Unit). In experiments, cancer cells A549, as an analyte, are cultured surface. results show that when cell concentration increases from 0.5 × 105 5 cells/ml, frequency shift Δf could change 24 50 GHz. Moreover, coupled oscillators model applied explain...
Biosensors based on terahertz (THz) metasurfaces have recently attracted widespread attention. However, few been reported so far because it is a challenge to achieve ultrasensitive multidimensional detection in the THz spectrum. Here, we propose novel biosensor that consists of and metal oxide semiconductor-like structure (MOSLS), which patterned graphene-polyimide-perovskite. We varied photoconductivity MOSLS via electrostatic doping effect. The could detect whey protein down concentration...
A novel integrable modulator consisting of a polarization and polarizer is proposed for constructing high-performance analog photonic link. By adjusting controller placed before the modulator, both amplitude modulation phase with adjustable ratio between them are implemented. This feature used to shift peak frequency response dispersive link any desired frequency, so dispersion-induced power fading around compensated. proof-of-concept experiment performed. The compensation in increases...
A multiple mode integrated biosensor based on higher order Fano metamaterials (FRMMs) is proposed. The frequency shifts (Δf) of x-polarized quadrupolar (Qx), octupolar (Ox), hexadecapolar (Hx), y-polarized (Qy) and (Oy) resonance modes are to detect the concentration lung cancer cells. In experiments, concentrations cells can be distinguished by shape distribution graphics. addition, an anomalous response in Δf resonant surprisingly observed. As cell increases, at Qx-dip, Qy-dip Oy-dip...
Quantum dots (QDs) have gained significant interest in optoelectronic devices due to their excellent properties. Single-QD materials limit the high performance of photodetectors (PDs). The PDs is enhanced by combining two dissimilar form a heterostructure. responsivity vis–NIR photodetector based on Ag2S/CsPbBr3 heterojunction presented this work. Using CsPbBr3 QDs as first absorption layer and Ag2S second layer, bipolar carrier transporting channel was built. This layered arrangement can...
We fabricated a vertical field effect phototransistor with Au/Ag nanowires as the transparent source electrode and vertically stacked layers of poly(3-hexylthiophene) (120 nm) lead sulfide quantum dots (380 nm), which formed heterojunctions. The built-in electric in layered heterojunction aids separation photoinduced excitons, while short channel enables efficient carrier transport across active region. Both these benefits enable high photoperformance fast photoresponse. This can be operated...
Abstract All‐inorganic cesium lead halide perovskite nanocrystals have emerged as attractive optoelectronic nanomaterials due to their stabilities and highly efficient photoluminescence. High‐sensitivity photodetection covering a large spectral range from ultraviolet near‐infrared is dominated by phototransistors. To overcome existing limitations in sensitivity cost of state‐of‐the‐art systems, new‐style device structures composite material systems are needed with low‐cost fabrication high...
Borophene, a new member of the two-dimensional material family, has been found to support surface plasmon polaritons in visible and infrared regimes, which can be integrated into various optoelectronic nanophotonic devices. To further explore potential plasmonic applications borophene, we propose an sensor based on borophene ribbon array. The nanostructured localized resonances, sense local refractive index environment via spectral response. By analytical numerical calculation, investigate...
Biosensors are a focus of research on terahertz metasurfaces. However, reports ultra-sensitive biosensors based Dirac points rare. Here, new metasurface is proposed that consists patterned graphene and perovskites. This serves as an Dirac-point-based biosensor for qualitative detection sericin. Theoretically, sericin may make n-doped drive the Fermi level to shift from valence band point, causing dramatic decrease in conductivity. Correspondingly, dielectric environment undergoes significant...
Background Dengue, the fastest-spreading vector-borne disease (VBD), significantly burdens global health systems. This study analyzed trends in burden of dengue from 1990 to 2021, utilizing data Global Burden Diseases, Injuries, and Risk Factors Study 2021 (GBD 2021). Methodology/Principal findings We retrieved GBD regarding dengue, including number incidences age-standardized incidence rate (ASIR), deaths death (ASDR), disability-adjusted life-years (DALYs) DALYs. The estimated annual...
Two-dimensional (2D) Ruddlesden–Popper perovskites have demonstrated significant potential in high-performance optoelectronic devices due to their exceptional properties and remarkable stability. However, research on photodetection 2D perovskite/PdSe2 nanosheet heterojunction structures remains limited. In this work, a stable photodetector with high responsivity based heterostructure of perovskite (PEA)2PbI4 PdSe2 nanosheets is demonstrated. The device performance reveals that photodetectors...
Abstract Optoelectronic logic gates (OELGs) are considered a promising alternative to traditional electronic gates, thanks their high computational speed and low power consumption. Meanwhile, there enormous challenges including complex structures single‐function. In this study, the optoelectronic gate device is prepared merely through single Cs 3 Bi 2 Br 9 photodetector. The bidirectional photoresponsive behavior of exhibited under bias voltages modulated by change current level. five...
Extended exposure to ultraviolet (UV) radiation significantly increases the risk of skin cancer. The World Health Organization reports that when UV index surpasses 7, becomes vulnerable diseases like erythema. There is an urgent need for photodetector capable real-time intensity monitoring. In recent years, cesium lead chloride (CsPbCl3) has emerged as a superior candidate material in field due its wide bandgap 2.8 eV and outstanding optoelectronic ferroelectric performance. this study,...
Abstract Because existing electronic logic gates have some limitations in the era of information explosion, demand for substantial amounts data processing has aroused interest new types gates. The use optoelectronic materials to prepare is popular; however, they often complex structures, high power consumption, and low reliability. Herein, a gate (OELG) presented based on coexistence positive negative photoconductivities 2D material Bi 2 Se 3 at different wavelengths. Five signals (OR, AND,...
A field-effect phototransistor based on a graphene and lead sulfide quantum dot (PbS QD) hybrid in which PbS QDs are embedded matrix has been fabricated with vertical architecture through solution process. The n-type Si/SiO2 substrate (gate), Au/Ag nanowire transparent source electrode, active layer Au drain electrode vertically stacked the device, downscaled channel length of 250 nm. Photoinduced electrons leap into conduction band fill trap states, while photoinduced holes left valence...
We report random lasing in colloidal quantum dots (CQDs) doped disordered polymer. The CdSe/ZnS core-shell CQDs are dispersed hybrid polymer including two types of monomers with different rates polymerization. After UV curing, spatially localized resonators formed owing to long range refractive-index fluctuations inhomogeneous gain. Upon the optical excitation, action is triggered above threshold 7mJ/cm2. Through investigation on spectral characteristics laser, wavelengths lasers strongly...
Perovskites and graphene are receiving a meteoric rise in popularity the field of active photonics because they exhibit excellent optoelectronic properties for dynamic manipulation light-matter interactions. However, challenges still exist, such as instability perovskites under ambient conditions low Fermi level experiments. These shortcomings limit scope applications when used alone advanced optical devices. combination is promising route efficient control Here, we report...