Qi Chen

ORCID: 0009-0001-7998-9813
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About
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Metallic Glasses and Amorphous Alloys
  • Magnetism in coordination complexes
  • Crystallography and molecular interactions
  • Glass properties and applications
  • Metal-Organic Frameworks: Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Environmental remediation with nanomaterials
  • Nanoporous metals and alloys
  • Lanthanide and Transition Metal Complexes
  • Electrocatalysts for Energy Conversion
  • Electromagnetic wave absorption materials
  • Nanomaterials for catalytic reactions
  • Lubricants and Their Additives
  • Phase Change Materials Research
  • Pigment Synthesis and Properties
  • High Entropy Alloys Studies
  • Adsorption and Cooling Systems
  • Metal complexes synthesis and properties
  • Corrosion Behavior and Inhibition
  • Heat Transfer and Optimization
  • Refrigeration and Air Conditioning Technologies
  • Heat Transfer and Boiling Studies
  • Advanced Surface Polishing Techniques

Shandong University
2004-2024

Huazhong University of Science and Technology
2007-2024

Northeast Agricultural University
2023-2024

Tianjin Normal University
1987-2024

Hainan University
2022-2024

Hefei University of Technology
2024

Guizhou Normal University
2023-2024

Nanjing University of Aeronautics and Astronautics
2009-2024

Qinghai University
2024

Tianjin University of Commerce
2020-2024

A new 2D dysprosium layer compound has been successfully synthesized from reaction with 2-(3-pyridyl) pyrimidine-4-carboxylic acid (H3-py-4-pmc), in which the Dy3+ ions reside square antiprismatic coordination environments and are connected by carboxylate/oxalate/hydroxyl bridges. Magnetic studies reveal ferromagnetic interactions between ions, slow magnetic relaxation an effective energy barrier Ueff of 186 K under zero dc field pronounced hysteresis loops at low temperatures. Further...

10.1039/c5sc00491h article EN cc-by-nc Chemical Science 2015-01-01

Abstract Until recent times, most studies on supporting simulation‐based scientific discovery learning adopted the ad hoc strategies‐oriented approach. This paper makes a systematic analysis of internal conditions to propose triple scheme for support design that includes interpretative (IS), experimental (ES), and reflective (RS) . The experiment was conducted with 78 students (aged from 12 13 years) examine effects IS ES using 2x2 between‐subjects design. main results were: significant were...

10.1046/j.0266-4909.2003.00002.x article EN Journal of Computer Assisted Learning 2003-02-25

The dual fluidized bed (DFB) shows great potential for the steam gasification of biomass to produce hydrogen. Understanding hydrodynamics and thermochemical characteristics in a pilot-scale DFB system is crucial optimizing operating conditions devising reactor design. In this study, three-dimensional model, based on multiphase particle-in-cell (MP-PIC) method, developed 100 kW featuring staged reactor. entire simulated, with focus reaction gasifier ignoring reactions combustion basic...

10.1021/acs.energyfuels.3c04754 article EN Energy & Fuels 2024-02-16

A novel ferromagnetic 1D dysprosium chain was synthesized. It exhibits slow magnetic relaxation, originating from the single-ion behaviour of Dy3+ as indicated by dc and ac data both diluted un-diluted samples.

10.1039/c4cc01368a article EN Chemical Communications 2014-01-01

A novel 1D dysprosium complex was synthesized by employing a pyridine-N-oxide ligand. It exhibits slow magnetic relaxation with an energy barrier of 227 K under zero dc field.

10.1039/c4cc03536d article EN Chemical Communications 2014-07-17

A dinuclear complex [DyLClCH3OH)]2 (1) and a one-dimensional compound [DyL(HCOO)(CH3OH)]n (2) have been synthesized using an organic ligand of N′-(2-hydroxybenzylidene)picolinohydrazide (H2L). Complex 1 exhibits symmetric structure, in which the Dy3+ centers reside pentagonal-bipyramidal coordination environment. In 2, units are strung into chains by formate anions, ions situated octa-coordinated, hula-hoop-like geometry. Magnetic studies reveal that ferromagnetic coupling is found between...

10.1021/acs.inorgchem.6b02276 article EN Inorganic Chemistry 2016-12-07

Hydrolysis and polycondensation of poly(dimethylsiloxane) (PDMS), tetraethoxysilane (TEOS), tetraisopropyltitanate (TiPT), calcium nitrate gave essentially pore- crack-free transparent monolithics PDMS-modified CaO–SiO2–TiO2 hybrids, when PDMS/(TEOS + TiPT) was larger than 26:74 in weight, under constant ratios TEOS/TiPT 9:1 mol Ca/(TEOS 0.15 mol. Their apatite-forming abilities a simulated body fluid, which is indicative bioactivity, increased with decreasing TiPT). extensibility Young's...

10.1002/1097-4636(20000915)51:4<605::aid-jbm8>3.0.co;2-u article EN Journal of Biomedical Materials Research 2000-01-01

10.1016/j.ijadhadh.2017.11.013 article EN International Journal of Adhesion and Adhesives 2017-11-27

Electron beam lithography uses an accelerated electron to fabricate patterning on electron-beam-sensitive resist but requires complex dry etching or lift-off processes transfer the pattern substrate film substrate. In this study, etching-free is developed directly write a of various materials in all-water processes, achieving desired semiconductor nanopatterns silicon wafer. Introduced sugars are copolymerized with metal ions-coordinated polyethylenimine under action beams. The process and...

10.1021/acsnano.2c12387 article EN ACS Nano 2023-02-20
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