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

Metal dilution enabled quantum coherence in a planar Ni(III) dmit complex.

Dalton transactions (Cambridge, England : 2003)·2026
Same author

Method development and production of an ambient-stable blood certified reference material for total mercury, methylmercury, and trace elements.

Analytica chimica acta·2026
Same author

Precise Control of Water Adsorption Behavior in Solid Solutions of Amorphous Coordination Polymers.

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

Fibrous/Sheet Nanostructures of Spin-Crossover Complexes With Glycyrrhetinic Acid Glycosides in Polar Solvents: Supramolecular Control of Mixed HS/LS State.

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

Quantitative evaluation of intermolecular interactions in Fe(III) spin crossover systems <i>via</i> metal dilution.

Chemical communications (Cambridge, England)·2026
Same author

Electrochemical reduction of oxygen-functional-group-controlled graphene oxide for high carrier mobility.

Nanoscale·2026

Related Experiment Video

Updated: Feb 22, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

16.1K

Tuneable pressure effects in graphene oxide layers.

Yusuke Sekimoto1, Ryo Ohtani1, Masaaki Nakamura1

  • 1Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, 860-8555, Japan.

Scientific Reports
|September 24, 2017
PubMed
Summary

Pressure effects were tuned by altering interlayer distances in graphene oxide (GO) and reduced graphene oxide (rGO) layers. This tuning influenced the spin-crossover (SCO) temperature of incorporated iron-based nanoparticles (NPs).

More Related Videos

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.9K
Production of a Strain-Measuring Device with an Improved 3D Printer
06:17

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

6.5K

Related Experiment Videos

Last Updated: Feb 22, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

16.1K
Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.9K
Production of a Strain-Measuring Device with an Improved 3D Printer
06:17

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

6.5K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Two-dimensional materials like graphene oxide (GO) and reduced graphene oxide (rGO) offer tunable interlayer spacing.
  • Spin-crossover (SCO) materials, such as [Fe(Htrz)2(trz)](BF4), exhibit temperature-dependent spin state changes.
  • Incorporating SCO nanoparticles within layered materials can modify their properties due to confinement effects.

Purpose of the Study:

  • To demonstrate tuneable pressure effects by controlling interlayer distances in GO/rGO systems.
  • To investigate the impact of these interlayer distance changes on the spin-crossover temperature (T1/2) of embedded [Fe(Htrz)2(trz)](BF4) nanoparticles (NPs).
  • To correlate changes in interlayer separation with induced pseudo-hydrostatic pressure effects on SCO behavior.

Main Methods:

  • Synthesis of graphene oxide (GO)/reduced graphene oxide (rGO) layers with incorporated [Fe(Htrz)2(trz)](BF4) nanoparticles (NPs).
  • Tuning interlayer distances by varying thermal reduction temperatures of GO-NP composites.
  • Monitoring changes in spin-crossover temperature (T1/2) of the SCO material as a function of interlayer separation.

Main Results:

  • Interlayer separation decreased from 9.00 Å (GO) to 3.50 Å (rGO) with increasing reduction temperature.
  • Spin-crossover temperature (T1/2) increased from 351 K to 362 K along the GO to rGO series.
  • An 11 K increase in T1/2 corresponded to a hydrostatic pressure of 38 MPa, indicating significant pseudo-pressure effects.

Conclusions:

  • Interlayer distance tuning in GO/rGO composites effectively modulates pressure effects on embedded SCO nanoparticles.
  • The observed changes in T1/2 demonstrate a viable method for creating materials with switchable properties via structural control.
  • Stacked layer structures in GO/rGO composites induce significant pseudo-pressure effects on SCO behavior, influenced by particle size.