Jingxia Zheng

ORCID: 0000-0001-9868-0398
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About
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Research Areas
  • Carbon and Quantum Dots Applications
  • Nanocluster Synthesis and Applications
  • Luminescence and Fluorescent Materials
  • Quantum Dots Synthesis And Properties
  • Perovskite Materials and Applications
  • Tactile and Sensory Interactions
  • Carbon Nanotubes in Composites
  • Nanoparticle-Based Drug Delivery
  • Graphene and Nanomaterials Applications
  • Graphene research and applications
  • Advanced Photocatalysis Techniques
  • Characterization and Applications of Magnetic Nanoparticles
  • Luminescence Properties of Advanced Materials
  • TiO2 Photocatalysis and Solar Cells
  • Advanced Sensor and Energy Harvesting Materials
  • Conducting polymers and applications
  • Advanced Materials and Mechanics
  • Proteins in Food Systems
  • Nonlinear Optical Materials Studies
  • Nanowire Synthesis and Applications
  • Magnetic properties of thin films
  • Copper-based nanomaterials and applications
  • Advanced biosensing and bioanalysis techniques
  • Algal biology and biofuel production
  • Ion-surface interactions and analysis

Taiyuan University of Technology
2014-2024

Shanxi Electromechanical Design and Research Institute
2024

Sun Yat-sen University
2024

State Key Laboratory of Food Science and Technology
2018-2023

Nanchang University
2018-2023

White-light-emitting carbon dots (WCDs) show innate advantages as phosphors in white light-emitting diodes (WLEDs). For WLEDs, the color rendering index (CRI) is most important metric to evaluate its performance. Herein, WCDs are prepared by a facile one-step solvothermal reaction of trimellitic acid and o-phenylenediamine. It consists four CDs identified column chromatography blue, green, yellow, red, thus light superposition these types light. The mixture undergoes Förster resonance energy...

10.1002/advs.202206386 article EN cc-by Advanced Science 2023-02-23

Ultralong room temperature phosphorescent (RTP) materials have a wide range of applications in information encryption, bio-imaging, optoelectronics, and display illumination. Among them, blue-emitting RTP with high quantum yield (QY) ultralong luminescence been challenge the field materials. Herein, we prepared blue-to-violet carbon dot (CD) composites color stability by mixing boric acid pyromellitic acid, trimesic terephthalic separately, pyrolyzing them at identical conditions, leading to...

10.1021/acssuschemeng.2c06094 article EN ACS Sustainable Chemistry & Engineering 2023-01-23

Carbon dots synthesized by a microwave-assisted hydrothermal method exhibit efficient solid-state luminescence for white light-emitting devices.

10.1039/c7tc01701d article EN Journal of Materials Chemistry C 2017-01-01

Carbon dots (CDs) have attracted a lot of attention because their tunable emission wavelength, high photobleaching resistance, and environmental friendliness. However, they suffer from aggregation-induced quenching in the solid state, which limits application solid-state fields. In this work, yellow- orange-emissive N, B-codoped CDs (y-NB-CDs o-NB-CDs) with highly efficient fluorescence dual were achieved by facile one-step microwave method. The obtained y-NB-CDs powder state show bright...

10.1021/acssuschemeng.0c07992 article EN ACS Sustainable Chemistry & Engineering 2021-01-25

To greatly improve the production quality and efficiency of carbon quantum dots (CQDs), provide a new approach for large-scale high-quality CQDs, green (g-CQDs) with high product yield (PY) fluorescent (QY) were synthesized by an efficient one-step solvothermal method 2,7-dihydroxynaphthalene as source ethylenediamine nitrogen dopant in this study. The PY QY g-CQDs optimised adjusting reaction parameters such amount added ethylenediamine, temperature, duration. results showed that maximum...

10.3390/nano10010082 article EN cc-by Nanomaterials 2020-01-01

Host–guest doping was adopted to reduce luminescence quenching and improve the brightness of carbon dot-based light emitting diodes (CD-LEDs).

10.1039/c8nr01834k article EN Nanoscale 2018-01-01

The synthesis and luminescence origin of multicolour long wavelength CQDs solid state luminous red-green-blue CQD films for phosphor-based WLEDs with a high CRI an adjustable CCT.

10.1039/c8tc04887h article EN Journal of Materials Chemistry C 2018-12-13

Abstract Ultrahigh brightness blue carbon dot–based light‐emitting diodes (CD‐LEDs) are fabricated by a host–guest doping method with poly( N ‐vinylcarbazole) (PVK) as the host to realize high and pure emission of CD‐LEDs. Oleophylic CDs synthesized dopant obtain wide range concentration because oleophylic PVK can be well cosoluble in chlorobenzene at any concentration. Therefore, CD‐LEDs emitting light that dominantly originates from CDs' realized optimizing A energy transfer is main...

10.1002/adom.201800181 article EN Advanced Optical Materials 2018-04-26

Fortifying food and beverage products with combinations of bioactive agents is a major initiative within the industry because their potentially additive or even synergistic benefits for human health. Coix seed oil (CSO) has been reported to possess anticancer activity, whereas β-carotene (βC) natural antioxidant that may also exhibit activity. However, both these bioactives are insoluble in water have poor oral bioavailability. The aim this study was overcome obstacles by encapsulating βC...

10.1021/acs.jafc.8b04879 article EN Journal of Agricultural and Food Chemistry 2018-12-19

Green emissive carbon dots synthesized by solvothermal method is used for warm white light-emitting devices.

10.1039/c8ra02226g article EN cc-by RSC Advances 2018-01-01

A one-step hydrothermal synthesis of nitrogen and silicon co-doped fluorescence carbon quantum dots (N,Si-CQDs), from citric acid monohydrate silane coupling agent KH-792 with a high product yield (PY) 52.56% (QY) 97.32%, was developed. This greatly improves both the PY QY CQDs provides new approach for large-scale production high-quality CQDs. Furthermore, N,Si-CQDs were employed as phosphors without dispersants to fabricate white light-emitting diodes (WLEDs) color coordinates at (0.29,...

10.1088/1361-6528/aaf3fb article EN Nanotechnology 2018-11-26

Abstract Hydrogel‐based flexible artificial tactility is equipped to intelligent robots mimic human mechanosensory perception. However, it remains a great challenge for hydrogel sensors maintain flexibility and sensory performances during cyclic loadings at high or low temperatures due water loss freezing. Here, robot developed with robustness based on organohydrogel sensor arrays negligent hysteresis temperature tolerance. Conductive polyaniline chains are interpenetrated through...

10.1002/adma.202408193 article EN Advanced Materials 2024-09-10

Strong two-photon absorption N,B-CQDs with high crystallinity prepared via a quick microwave method and their films have shown important application value in the optical limiting fields.

10.1039/d2tc05106k article EN Journal of Materials Chemistry C 2023-01-01

Carbon dots with high optical and thermal stability for laser illumination are prepared by annealing.

10.1039/d2tc05359d article EN Journal of Materials Chemistry C 2023-01-01

Abstract Carbon dots (CDs) phosphors in white laser diodes (WLD) have the advantages of sufficient surface functionalization sites and low cost. Specially, their color rendering index (CRI) WLD is unsatisfactory due to uncontrollable synthesis process thermal stability. Herein, nitrogen‐containing groups CDs are synthesized from phenylenediamine isomers trimeric acid, optical properties modulated by introducing amide bonds (–CONH). By varying isomers, o ‐phenylenediamine, m p...

10.1002/adom.202400274 article EN Advanced Optical Materials 2024-05-02
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