Weimeng Si

ORCID: 0000-0002-0363-520X
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About
Contact & Profiles
Research Areas
  • Electrochemical sensors and biosensors
  • Electrochemical Analysis and Applications
  • Analytical Chemistry and Sensors
  • Conducting polymers and applications
  • Electrocatalysts for Energy Conversion
  • Fuel Cells and Related Materials
  • Advanced Photocatalysis Techniques
  • MXene and MAX Phase Materials
  • Advanced Nanomaterials in Catalysis
  • Advanced battery technologies research
  • Advanced biosensing and bioanalysis techniques
  • Advanced Memory and Neural Computing
  • Pickering emulsions and particle stabilization
  • Advancements in Battery Materials
  • 2D Materials and Applications
  • Catalytic Processes in Materials Science
  • Nanoparticle-Based Drug Delivery
  • Surfactants and Colloidal Systems
  • Supercapacitor Materials and Fabrication
  • Supramolecular Chemistry and Complexes
  • Graphene research and applications
  • Insect and Pesticide Research
  • Luminescence and Fluorescent Materials
  • Semiconductor materials and devices
  • Molecular Sensors and Ion Detection

Shandong University of Technology
2016-2024

Nanjing University of Science and Technology
2011-2015

MXenes are emerging transition metal carbides and nitrides-based 2D conductive materials. They have found wide applications in sensors due to their excellent valuable properties. This paper reviews the recent research status of MXene-based electrochemical (bio) for detecting biomarkers, pesticides, other aspects. The first part this introduced synthesis strategy effect surface modification on various properties MXenes. second discussed application as electrode modifiers environmental...

10.1016/j.nanoms.2022.07.003 article EN cc-by Nano Materials Science 2022-08-26

Abstract Recently, nanoparticle‐triggered in situ catalytic Fenton/Fenton‐like reaction is widely explored for tumor‐specific chemodynamic therapy (CDT). However, despite the great potential of CDT tumor treatment, insensitive response to relatively high pH sites and insufficient intratumoral H 2 O level leads limited efficiency most reactions, which greatly imped its clinical conversion. This paper reports fabrication Fenton‐type bimetallic peroxides ultrasensitive with pH‐activated,...

10.1002/adhm.202002126 article EN Advanced Healthcare Materials 2021-02-28

In this work, Fe-decorated nitrogen-doped carbon nanospheres are prepared for electrochemical monitoring of acetaminophen. Via a direct pyrolysis the melamine-formaldehyde resin spheres, well-distributed Fe-NC spheres were obtained. The as-prepared possesses enhanced catalysis towards redox acetaminophen abundant active sites and high-speed charge transfer. effect loading Fe species on sensing is investigated in detail. synergistic nitrogen doping along with above-mentioned properties taken...

10.3390/molecules28073006 article EN cc-by Molecules 2023-03-28

Abstract Two‐dimensional (2D) nonlayered metal compounds with porous structure show broad application prospects in electrochemistry‐related fields due to their abundant active sites, open ions/electrons diffusion channels, and faradaic reactions. However, scalable universal synthesis of 2D still remains challenging. Here, inspired by blowing gum, a metal‐organic gel (MOG) rapid redox transformation (MRRT) strategy is proposed for the mass production wide variety oxides. Adequate crosslinking...

10.1002/ange.202409204 article EN Angewandte Chemie 2024-07-16

Exploring high-efficiency catalysts for oxygen reduction reactions (ORRs) is essential the development of large-scale applications fuel cell and metal-air batteries technology. The as-prepared Fe-NC-800 via polymerization-pyrolysis strategy exhibited superior ORR activity with onset potential 1.030 V vs. reversible hydrogen electrode (RHE) half-wave 0.908 RHE, which higher than that Pt/C catalyst most other Fe-based catalysts. different d-band center values can be attributed to influence...

10.1016/j.isci.2024.108913 article EN cc-by-nc-nd iScience 2024-01-16

We present a simple and efficient method for preconcentrating per- polyfluorinated alkyl substances (PFAS) in water. Our was inspired by the sea-spray aerosol enrichment nature. Gas bubbles ocean serve to scavenge surface active material, carrying it air-ocean interface, where burst form aerosol. These particles are enriched surface-active organic compounds such as free fatty acids anionic surfactants. In our method, we situ generate H2 microbubbles electrochemical water reduction using...

10.1021/acs.analchem.9b02758 article EN Analytical Chemistry 2019-09-17

The electrocatalytic carbon dioxide (CO2) reduction reaction (CO2RR) is extensively regarded as a promising strategy to reach neutralization. Copper sulfide (CuS) has been widely studied for its ability produce C1 products with high selectivity. However, challenges still remain owing the poor selectivity of formate. Here, Bi/CeO2/CuS composite was synthesized using simple solvothermal method. Bi/CeO2–decorated CuS possessed formate selectivity, Faraday efficiency and current density reaching...

10.3390/molecules29132948 article EN cc-by Molecules 2024-06-21

In this paper, we report a novel redox-responsive water-in-oil Pickering emulsion stabilized by negatively charged silica nanoparticles in combination with trace amount of redox switchable fluorescent molecule ferrocene azine (FcA), which serves as redox-sensitive group and anthryl unit fluorescence emission center. By alternately adding oxidants reducing agents at moderate condition, the amphiphilicity changes because adsorption Fc+A desorption FcA on surface. On one hand, stability...

10.1021/acs.langmuir.9b00250 article EN Langmuir 2019-04-09
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