Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Remote Modification-Induced Butterfly Effect on Nonfullerene Acceptor Aggregation for Efficient Organic Solar Cells.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Lithography-Compatible Al<sub>2</sub>O<sub>3</sub> Stressor for Strain-Modulated T-to-H Phase Evolution of TaS<sub>2</sub>.

ACS applied materials & interfaces·2026
Same author

Excimer-mediated multiexciton generation in covalently linked cross foldamers of thiophene-fused perylene bisimides.

Chemical science·2026
Same author

Sulfur-Vacancy-Derived Lewis Acid Sites in 3R-Phase ZnIn<sub>2</sub>S<sub>4</sub> Nanosheets for Efficient Uranium Extraction From Wastewater.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Efficient persistent afterglow modulation using extended Indolo[2,3-<i>a</i>]carbazoles with six-membered rings in a polymer matrix.

Chemical science·2026
Same author

Lipid Modified with Pyridinium Betaine Manipulates Liposomal Membrane Fusion Behavior for Spatially Confined Cytoplasmic Delivery.

Angewandte Chemie (International ed. in English)·2026

Related Experiment Video

Updated: Dec 18, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moir&#233; Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

13.8K

Confining Tiny MoO2 Clusters into Reduced Graphene Oxide for Highly Efficient Low Frequency Microwave Absorption.

Cao Wu1,2, Zhaofeng Chen1, Meiling Wang3

  • 1International Laboratory for Insulation and Energy Efficiency Materials, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|June 11, 2020
PubMed
Summary

Researchers developed novel dielectric electromagnetic wave absorbents using a cage-confinement pyrolysis strategy. These materials, based on molybdenum dioxide (MoO2) nanoparticles and reduced graphene oxide (RGO), show excellent low-frequency absorption for portable electronics.

Keywords:
2D dielectric materialsinterfacesmultifrequency microwave absorptionreduced graphene oxide

More Related Videos

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

14.7K
Solvothermal Synthesis of MIL-96 and UiO-66-NH2 on Atomic Layer Deposited Metal Oxide Coatings on Fiber Mats
06:00

Solvothermal Synthesis of MIL-96 and UiO-66-NH2 on Atomic Layer Deposited Metal Oxide Coatings on Fiber Mats

Published on: June 13, 2018

11.9K

Related Experiment Videos

Last Updated: Dec 18, 2025

Optimized Fabrication Procedure for High-Quality Graphene-based Moir&#233; Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

13.8K
Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

14.7K
Solvothermal Synthesis of MIL-96 and UiO-66-NH2 on Atomic Layer Deposited Metal Oxide Coatings on Fiber Mats
06:00

Solvothermal Synthesis of MIL-96 and UiO-66-NH2 on Atomic Layer Deposited Metal Oxide Coatings on Fiber Mats

Published on: June 13, 2018

11.9K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Electromagnetics

Background:

  • Development of efficient electromagnetic wave absorbers is crucial for modern electronics.
  • Existing 2D dielectric absorbers often have limitations in low-frequency performance and tunability.
  • Molybdenum dioxide (MoO2) and reduced graphene oxide (RGO) are promising components for electromagnetic wave absorption.

Purpose of the Study:

  • To propose a supermolecular-scale cage-confinement pyrolysis strategy for fabricating novel dielectric electromagnetic wave absorbents.
  • To investigate the electromagnetic wave absorption properties of MoO2/porous carbon/RGO nanocomposites.
  • To explore the mechanism behind the enhanced absorption performance.

Main Methods:

  • Fabrication of hybrid hydrogels with different crosslinkers (with/without oxygen bridge).
  • Supermolecular-scale cage-confinement pyrolysis of hybrid hydrogels to create MoO2 nanoparticles within porous carbon shells and RGO.
  • Characterization of the structure and electromagnetic wave absorption properties of the synthesized materials.

Main Results:

  • Two types of dielectric electromagnetic wave absorbents were successfully synthesized, featuring MoO2 nanoparticles sandwiched between porous carbon shells and RGO.
  • Both absorbents demonstrated excellent low-frequency absorption performance, electrical tunability, and enhanced reflection loss without magnetic components.
  • The introduction of oxygen bridges in the crosslinker led to a more stable structure and multifrequency absorption capabilities.
  • The enhanced absorption is attributed to moderate attenuation constant and impedance matching.

Conclusions:

  • The cage-confinement pyrolysis strategy is effective for creating advanced 2D MoO2-based dielectric electromagnetic wave absorbents.
  • These novel absorbents offer superior low-frequency and multifrequency absorption, suitable for portable electronics.
  • This work provides a new pathway for designing electromagnetic wave absorbers for diverse frequency applications.