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Updated: Jun 23, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
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Nanocarbon nanofluids: morphology and nanostructure comparisons.

Randy L Vander Wal1, Steven D Mozes, Vladimir Pushkarev

  • 1Department of Energy and Mineral Engineering, EMS Energy Institute, Penn State University, 203 Hosler Building, University Park, PA 16802, USA. ruv12@psu.edu

Nanotechnology
|May 7, 2009
PubMed
Summary

This study reveals how nanocarbon properties influence nanofluid thermal conductivity. Key factors include interfacial ordering, phonon propagation, particle aggregation, and network formation for enhanced heat transfer fluids.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Heat Transfer

Background:

  • Nanofluids offer enhanced thermal conductivity compared to base fluids.
  • Understanding the mechanisms behind these enhancements is crucial for optimizing their performance.

Purpose of the Study:

  • To elucidate the specific mechanisms governing thermal conductivity enhancements in nanocarbon-based nanofluids.
  • To investigate the roles of interfacial fluid ordering, phonon propagation, particle aggregation, and network formation.

Main Methods:

  • Comparative analysis of functionalized vs. non-functionalized nanocarbons.
  • Comparison of graphitized vs. non-graphitized carbon black.
  • Evaluation of multi-walled nanotubes vs. carbon black.
  • Assessment of varied nanocarbon concentrations and morphologies.

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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
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Last Updated: Jun 23, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions

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Main Results:

  • Interfacial fluid ordering significantly impacts thermal conductivity.
  • Long-range phonon propagation is influenced by graphitization.
  • Particle aggregation varies with nanocarbon morphology.
  • Partial network formation at higher concentrations affects heat transfer.

Conclusions:

  • Nanocarbon functionalization, graphitization, morphology, and concentration are critical determinants of nanofluid thermal conductivity.
  • These findings provide a mechanistic understanding for designing advanced heat transfer fluids.