Youyi Sun

ORCID: 0000-0003-2736-275X
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About
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Research Areas
  • Supercapacitor Materials and Fabrication
  • Conducting polymers and applications
  • Advanced Sensor and Energy Harvesting Materials
  • Graphene research and applications
  • Advancements in Battery Materials
  • Surface Modification and Superhydrophobicity
  • Vibration Control and Rheological Fluids
  • Graphene and Nanomaterials Applications
  • Polymer Nanocomposites and Properties
  • Electrochemical sensors and biosensors
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Electrochemical Analysis and Applications
  • Electromagnetic wave absorption materials
  • Lanthanide and Transition Metal Complexes
  • Advanced battery technologies research
  • Advanced Photocatalysis Techniques
  • Polymer composites and self-healing
  • Additive Manufacturing and 3D Printing Technologies
  • Luminescence Properties of Advanced Materials
  • Adhesion, Friction, and Surface Interactions
  • Advanced biosensing and bioanalysis techniques
  • Nonlinear Optical Materials Studies
  • Polymer Surface Interaction Studies
  • Bone Tissue Engineering Materials
  • Carbon and Quantum Dots Applications

North University of China
2016-2025

Mongolian University of Science and Technology
2025

The University of Melbourne
2018-2019

Peking University
2011-2014

Beijing Jiaotong University
2013-2014

State Key Laboratory of Turbulence and Complex Systems
2013

Guilin University of Technology
2013

Rensselaer Polytechnic Institute
2012

University of Science and Technology of China
2005-2011

Donghua University
2006

The graphene nanosheets-based epoxy resin coating (0, 0.1, 0.4 and 0.7 wt %) was prepared by a situ-synthesis method. effect of polyvinylpyrrolidone/reduced oxide (PVP-rGO) on mechanical thermal properties investigated using nanoindentation technique thermogravimetric analysis, respectively. A significant enhancement (ca. 213% 73 °C) in the Young modulus stability obtained at loading %, Furthermore, erosion resistance electrochemical measurement. results showed also that Rrcco 0.3 mm/year)...

10.3390/ijms16012239 article EN International Journal of Molecular Sciences 2015-01-20

A new class of superhydrophobic surface based on multiple hybrid coatings is proposed and prepared to improve mechanical reproduction stability. It does not only show a large water contact angle (ca. 174.5°) but also slight decrease 6.4%) after 100 abrasion cycles. Furthermore, the changes slightly (relative standard deviation, 0.14%) for three surfaces with same procedure. The application in corrosion protection further investigated by Tafel polarization curves electrochemical impedance...

10.1021/acsami.8b19663 article EN ACS Applied Materials & Interfaces 2019-01-22

Abstract Polyvinylpyrrolidone-reduced graphene oxide was prepared by modified hummers method and used as adsorbent for removing Cu ions from wastewater. The effects of contact time concentration on adsorption capacity were examined. maximum 1689 mg/g observed at an initial pH value 3.5 after agitating 10 min. It demonstrated that polyvinylpyrrolidone-reduced had a huge ions, which times higher than maximal reported in previous works. mechanism also discussed density functional theory....

10.1007/bf03353772 article EN cc-by Nano-Micro Letters 2014-01-01

Silver nanoparticles grown on reduced graphene oxide (AgNPs/RGO) were successfully synthesized <italic>via</italic> a facile <italic>in situ</italic> method.

10.1039/c7ra02267k article EN cc-by-nc RSC Advances 2017-01-01

Abstract Properly controlling the rheological properties of nanoparticle inks is crucial to their printability. Here, it reported that colloidal gels containing a dynamic network graphene oxide (GO) sheets can display unusual after high‐rate shearing. When mixed with polyaniline nanofiber dispersions, GO not only facilitates gelation process but also serves as an effective energy‐transmission allow fast structural recovery gel deformed by This extraordinary phenomenon has made possible use...

10.1002/adma.201804434 article EN publisher-specific-oa Advanced Materials 2019-03-07

A new class of superhydrophobic surface based on assembly nanoparticles was fabricated for improving mechanical durability and anti-icing performance under ultralow temperature. Furthermore, the mechanism yielded were investigated by high speed video thermal infrared imaging equipment. The frozen time water droplets could be prolonged to 372.0 s when glass slides with exposed an temperature −40.0 °C. This outstanding is attributed unique structure nanoparticles, which possesses good...

10.1021/acsanm.0c00220 article EN ACS Applied Nano Materials 2020-02-13

A new three-dimensional (3D) printing gel is developed to construct hierarchically porous ceramics with adjustable millimeter-, micrometer-, and nanometer-scale size for application in thermal management. Not only does the based on supramolecular micelles exhibit excellent DIW 3D printability but also act as templates that can precisely control structure of micrometer-scale pores. The effect millimeter- μmicrometer-scale properties investigated detail. 3D-printed ceramic foam...

10.1021/acsami.1c24090 article EN ACS Applied Materials & Interfaces 2022-02-21

Inorganic photochromism has garnered significant attention for its exceptional X-ray responsiveness. However, achieving the detection and imaging of high-efficiency radiation under multiple luminescence modes, both qualitatively visually, within a single matrix material remains challenge. Here, we prepared Na0.5Bi2.5Nb2O9 materials doped with various rare earth elements systematically investigate their X-ray-induced photochromic photoluminescent reversible regulation behaviors. Under...

10.2139/ssrn.5078611 preprint EN 2025-01-01
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