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Updated: May 16, 2026

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
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Graphene-enhanced nanorefrigerants.

Serdar Ozturk1, Yassin A Hassan, Victor M Ugaz

  • 1Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3122, USA.

Nanoscale
|December 12, 2012
PubMed
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This summary is machine-generated.

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Researchers developed stable graphene nanosheet nanorefrigerants that enhance thermal conductivity without increasing viscosity. This breakthrough offers a cost-effective way to improve efficiency in thermal management systems.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Thermodynamics

Background:

  • Nanoparticle dispersions in host liquids can enhance thermal properties for advanced heat transfer fluids.
  • Challenges include long-term stability of refrigerant-based dispersions and significant viscosity increases with anisotropic nanomaterials like carbon nanotubes.

Purpose of the Study:

  • To overcome limitations in preparing stable, high-performance nanorefrigerants.
  • To develop a new class of nanorefrigerants with enhanced thermal conductivity and manageable viscosity.

Main Methods:

  • A robust surfactant-mediated dispersal method was used to prepare stable suspensions of various nanomaterials in commercial refrigerants.
  • Graphene nanosheets were specifically formulated as additives.

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Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes
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Last Updated: May 16, 2026

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
07:32

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions

Published on: July 17, 2019

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
10:23

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes
11:21

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes

Published on: March 21, 2018

Main Results:

  • Stable nanorefrigerant suspensions were successfully prepared using the new method.
  • Graphene nanosheet suspensions achieved superior thermal conductivity enhancements comparable to carbon nanotubes.
  • These nanorefrigerants did not exhibit the significant viscosity penalty associated with carbon nanotubes.

Conclusions:

  • The developed surfactant-mediated method enables the stable incorporation of nanomaterials into refrigerants.
  • Graphene nanosheet nanorefrigerants offer a promising, cost-effective solution for improving thermal management efficiency.
  • These advanced fluids can be directly substituted for conventional refrigerants in various applications.