NDLI: Characterization of a dielectric microdroplet thermal interface material with dispersed nanoparticles

Content Provider	Springer Nature Link
Author	Hamdan, A. Sahli, F. Richards, R. Richards, C.
Copyright Year	2012
Abstract	This work presents the fabrication and characterization of a dielectric microdroplet thermal interface material (TIM). Glycerin droplets, 1 μL, were tested as TIMs in this study. Copper nanoparticles having a diameter of 25 nm were dispersed in glycerin at different volume fractions to enhance its thermal conductivity. An increase of 57.5 % in the thermal conductivity of glycerin was measured at a volume fraction of 15 %. A minimum thermal interface resistance of 30.37 mm$^{2 }$K/W was measured for the glycerin microdroplets at a deformed droplet height of 10.2 μm. Good agreement between experimental measurements and the predictions of a model based on Maxwell’s equation of rules of mixtures was obtained. The effect of nanoparticles' size on the effective thermal conductivity of glycerin was studied. Nanoparticles with diameters of 60–80 and 300 nm were dispersed in glycerin at a volume fraction of 5 %, and their results were compared to those of the 25 nm particles.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	14
Issue Number	9
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-08-14
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Thermal interface material Thermal interface resistance Contact resistance Nanoparticles Physical Chemistry Inorganic Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices Characterization and Evaluation of Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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