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Table 1 Nanoparticle specification

From: Investigation of thermal conductivity and rheological properties of nanofluids containing graphene nanoplatelets

Property

Specification

Particle

GNPs

Color

Black granules/powder

Carbon content

>99.5

Bulk density

0.2 to 0.4 g/cm3

Relative gravity

2.0 to 2.25 g/cm3

Specific surface area

300, 500, and 750 m2/g

Particle diameter

2 μm

Peak in UV–vis spectrophotometer

265 to 270 nm

Thickness

2 nm

Thermal conductivity

 

Parallel to surface

3,000 W/m∙K

Perpendicular to surface

6 W/m∙K

Electrical conductivity

 

Parallel to surface

107 S/m

Perpendicular to surface

102 S/m

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