Zhen Li

ORCID: 0009-0005-6546-3668
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About
Contact & Profiles
Research Areas
  • Semiconductor Lasers and Optical Devices
  • Photonic and Optical Devices
  • Advanced Fiber Laser Technologies
  • Gear and Bearing Dynamics Analysis
  • Nonlinear Photonic Systems
  • Advanced Sensor and Energy Harvesting Materials
  • Nanoplatforms for cancer theranostics
  • Cold Atom Physics and Bose-Einstein Condensates
  • Covalent Organic Framework Applications
  • Orbital Angular Momentum in Optics
  • Tribology and Lubrication Engineering
  • Conducting polymers and applications
  • Supramolecular Self-Assembly in Materials
  • Nanowire Synthesis and Applications
  • Higher Education Practises and Engagement
  • Advanced Image Fusion Techniques
  • Cancer-related molecular mechanisms research
  • Innovative Energy Harvesting Technologies
  • Nonlinear Dynamics and Pattern Formation
  • Ferroptosis and cancer prognosis
  • Ammonia Synthesis and Nitrogen Reduction
  • Methane Hydrates and Related Phenomena
  • Supercapacitor Materials and Fabrication
  • Nanocomposite Films for Food Packaging
  • Force Microscopy Techniques and Applications

Xiamen University
2017-2024

Harbin Institute of Technology
2024

Xidian University
2024

Jinan University
2024

Sichuan University
2019-2023

Collaborative Innovation Center of Chemistry for Energy Materials
2023

Chinese Academy of Sciences
2023

Changchun Institute of Applied Chemistry
2023

University of Science and Technology of China
2023

Tel Aviv University
2023

Infrared and visible images are a pair of multi-source multi-sensors images. However, the infrared lack structural details impressionable to imaging environment. To fully utilize meaningful information images, practical fusion method, termed as RCGAN, is proposed in this paper. In we introduce pioneering use coupled generative adversarial network field image fusion. Moreover, simple yet efficient relativistic discriminator applied our network. By doing so, converges faster. More importantly,...

10.1109/jsen.2019.2921803 article EN IEEE Sensors Journal 2019-06-11

Abstract Coadministration of chemotherapeutics as well therapeutic gene could play a synergistic effect on cancer treatment. It is noteworthy that targeted and sustained codelivery chemotherapeutic was rarely achieved in previous reports, while it might serve an important platform for treating solid tumor with possible surrounding lesions. Herein, injectable supramolecular hydrogel formed by α‐cyclodextrin (α‐CD) cationic amphiphilic copolymer made methoxy‐poly(ethylene glycol)‐ b‐...

10.1002/marc.201800117 article EN Macromolecular Rapid Communications 2018-07-10

Citric acid-epoxidized soybean oil oligomers (CESO) were prepared and utilized to improve the properties of corn starch-based bioplastics. CESO synthesized by controlling stoichiometric ratio acid equivalent weight epoxy at 3:1. Starch-based bioplastics with satisfactory fabricated through solution casting. Analysis including FTIR, molecular distribution, polydispersity index validated ring opening polymerization ESO CA. The hydrogen bond crosslinking interactions between starch evidenced...

10.1016/j.jmrt.2022.07.119 article EN cc-by-nc-nd Journal of Materials Research and Technology 2022-07-31

Increasing infiltration of CD8+ T cells can enhance the response rate to immune checkpoint blockade (ICB) therapies. In contrast, immunogenic cell death (ICD) induced by intracellular reactive oxygen species (ROS) is an effective strategy increase infiltration. Cuproptosis newly defined and reported Tsvetkov et al. A Cu-coordinated covalent organic framework (COF) in which two valence states copper ions are simultaneously loaded prepared. On one hand, Cu2+ undergoes a shift generating Cu+...

10.1002/marc.202200929 article EN Macromolecular Rapid Communications 2023-02-25

The lubrication behavior and mechanical characteristics of the main bearing area an aero-engine shaft determine reliability life bearing. In bearings, lubricant not only plays role but also affects dynamic bearing; therefore, if drag force is insufficient, it will lead to rolling body slipping. Slipping operation make temperature contact instantaneously increase, leading occurrence gluing, scraping other failure phenomena in area. A under shear conditions traction actually external...

10.3390/lubricants13040174 article EN cc-by Lubricants 2025-04-10

An injectable fluorescent hydrogel was successfully prepared by polyurethane emulsion cross-linked with oxidized dextran for non-invasive monitoring.

10.1039/d3tb01488f article EN Journal of Materials Chemistry B 2023-01-01

Abstract Stable vortex lattices are basic dynamical patterns which have been demonstrated in physical systems including superconductor physics, Bose-Einstein condensates, hydrodynamics and optics. Vortex-antivortex (VAV) ensembles can be produced, self-organizing into the respective polar lattices. However, these structures general highly unstable due to strong VAV attraction. Here, we demonstrate that multiple optical clusters nested propagating coherent field crystallize preserve their...

10.1038/s41467-024-50458-y article EN cc-by Nature Communications 2024-07-22

In micro-/mini-light-emitting diode (Micro-/ Mini-LED) displays, optical crosstalk among chips is a critical issue. The precise characterization of LED arrays essential for designing high-contrast ratio crosstalk-free displays. this study, we proposed spectrum-based Monte Carlo ray tracing model to analyze the 3-D spatial RGB mini-LED array. based on 2-D surface spectral distribution acquired by microscopic hyperspectral imaging ( <inline-formula...

10.1109/ted.2024.3367313 article EN IEEE Transactions on Electron Devices 2024-02-22

The P450 monooxygenase TleB (CYP107E48) catalyzes intramolecular C–S bond formation in a thiol-containing substrate, yielding two sulfur-containing indolactam derivatives (P1 and P2). However, the key sites influencing TleB's product selectivity molecular mechanisms underlying selective are not fully understood. To address this, we created an artificial self-sufficient P450, TleB-CYP116B46, by fusing with reductase domain of CYP116B46. Structure-guided engineering TleB-CYP116B46 generates...

10.1021/acscatal.4c03328 article EN ACS Catalysis 2024-07-01

Active citizenship is increasingly being framed in the context of lifelong and life-wide learning. However, research on young people's participation experience different forms civic practice, particularly informal settings sociocultural contexts, scarce. Consequently, little known about how these experiences shape their learning active citizenship, understanding self relationship to society. This paper reports findings from a small-scale qualitative students' extra-curricular activities...

10.1080/02601370.2017.1375565 article EN International Journal of Lifelong Education 2017-09-20

The self-healing phenomenon of structured light beams has been comprehensively investigated for its important role in various applications including optical tweezing, superresolution imaging, and communication. However, different beams, there are explanations the effect, a unified theory not yet formed. Here we report both theoretically experimentally study effect lenslike media, this is, inhomogeneous media with quadratic gradient index. By observing appearance number shadows obstructed...

10.1364/oe.507030 article EN cc-by Optics Express 2023-11-06

In this paper, a novel self-mixing interferometer based on reflective phase modulation (RPM) method has been developed to perform micro-displacement reconstruction with nanometer accuracy. Broaden harmonic components spectrum of the signal is produced by employing high-frequency vibrating mirror as device. Phase demodulation implemented applying orthogonal algorithm subject spectrum, in which can be extracted from expanded Bessel function. The principle and processing approach are introduced...

10.1109/access.2020.3036880 article EN cc-by-nc-nd IEEE Access 2020-01-01

In the macrocontext of a low‐carbon and energy‐efficient economy, rise new energy vehicles is expected to replace traditional fuel vehicles. However, with increasing number vehicles, source electricity for charging facilities faces challenges. This study proposes triboelectric–electromagnetic hybrid nanogenerator (VF‐TEMG) variable‐frequency effect inspired by an axial magnetic gear. The unit consists one triboelectric (TENG) two electromagnetic generator (EMG) units. TENG employs ternary...

10.1002/ente.202301701 article EN Energy Technology 2024-04-24

Abstract Ni‐rich cathode materials are considered promising candidates for next‐generation lithium‐ion batteries because of their high energy density and low cost. However, interphase failure at the surface cathodes negatively impacts cycling performance, making it challenging to meet requirements long‐term applications. In this study, a strategy is developed improve properties through introduction nucleophilic reaction‐based additive, using an appropriate amount inducer lithium isopropoxide...

10.1002/cssc.202202252 article EN ChemSusChem 2023-01-11

The evaluation of single-pixel mini-/micro-light-emitting diode (LED) optical properties among an array or module faces difficulties in total acquisition weak signal at small driven current and avoiding crosstalk from the adjacent chips simultaneously. In this work, we propose efficient batch measurement method, which combines microscopic hyperspectral imaging ( <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math...

10.1109/ted.2023.3264685 article EN IEEE Transactions on Electron Devices 2023-04-11

10.23940/ijpe.20.03.p14.446453 article EN International Journal of Performability Engineering 2020-01-01

In this paper, a novel method for simultaneous measurement of rotation speed and vibration based on self-mixing speckle interference (SMSI) has been demonstrated. view the autocorrelation characteristic SMSI, time delay laser incident during one period is determined, object calculated according to mathematical relationship. At same time, signal square-wave conversion global maximum fringe-counting are proposed measure displacement subject rotation. The theory processing means introduced in...

10.1109/jphot.2021.3128681 article EN cc-by IEEE photonics journal 2021-11-17

Fault diagnosis is significant for the reliability of three-level neutral point clamped (3L-NPC) back-to-back converter. In this work we propose a neural network-based open-circuit fault technique First, three-phase current values under different categories are processed into: 1) standardized values, 2) periodic mean and 3) absolute values. Thereafter, all categories, including single double switch faults, coded as output vectors network. All their corresponding trained offline in After...

10.1109/precede51386.2021.9680955 article EN 2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics (PRECEDE) 2021-11-20

The transient mixed lubrication behaviors in thermal elastohydrodynamic (TEHL) contacts during startup and stop are investigated. A TEHL model for point under time-varying speed conditions is proposed with comprehensive consideration of surface roughness, effect, behavior. validated by the comparison to available published data. Based on developed model, significant differences have been found compared EHL steady models. In addition, performance start–stop different acceleration rates...

10.1063/5.0202424 article EN mit Physics of Fluids 2024-04-01
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