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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

786
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
786

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Related Experiment Video

Updated: Jul 5, 2025

Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
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One-Dimensional Nickel Molybdate Nanostructures with Enhanced Supercapacitor Performance.

Baodong Sun1, Shaomin Wang2, Mingyi Zhang2

  • 1College of Teacher Education, Harbin Normal University, Harbin 150025, China.

Polymers
|January 17, 2024
PubMed
Summary

Optimized nickel molybdate (NiMoO4) nanofibers prepared via electrospinning exhibit superior supercapacitor performance. A calcination temperature of 500 °C yields a specific capacitance of 1947 F g⁻¹, showcasing potential for advanced energy storage.

Keywords:
NiMoO4electrospinningnanofibersupercapacitor

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Supercapacitors are crucial for energy storage.
  • Developing high-performance electrode materials is essential.
  • Nickel molybdate (NiMoO4) is a promising candidate.

Purpose of the Study:

  • To synthesize one-dimensional NiMoO4 nanofibers.
  • To investigate the effect of calcination temperature on material properties and performance.
  • To evaluate the supercapacitor performance of the synthesized nanofibers.

Main Methods:

  • Electrospinning technique for nanofiber fabrication.
  • High-temperature calcination for material synthesis.
  • Three-electrode system for electrochemical performance testing.

Main Results:

  • One-dimensional NiMoO4 nanofibers were successfully synthesized.
  • Calcination temperature significantly impacts morphology and electrochemical properties.
  • Optimal performance achieved at 500 °C with specific capacitance of 1947 F g⁻¹.
  • Excellent cycling stability with 82.35% capacitance retention after 3000 cycles.

Conclusions:

  • The 1D nanostructure enhances charge transfer and ion diffusion.
  • Optimized NiMoO4 nanofibers demonstrate high potential for supercapacitor applications.
  • Calcination temperature is a critical parameter for tailoring performance.