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Thermal Conductivity Paper Database

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Recommended Papers for: graphene

Total Papers Found: 34

Thermal Properties of Graphene: Applications in Thermal Interface Materials

Using few-layer graphene (FLG) flakes the authors are able to create graphene composites (where graphene is a filler) and measure the thermal properties of these composites using a laser flash technique. In some cases, the thermal conductivity was increased by ten times while only using 5 vol.% graphene as filler. Graphene would make a good filler for thermal interface materials....

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Synergetic effects of graphene platelets and carbon nanotubes on the mechanical and thermal properties of epoxy composites

The authors observed a remarkable synergistic effect when they used multi-graphene platelets (MGPs) and multi-walled carbon nanotubes (MWCNTs) together in an epoxy composite. The use of these two fillers together increased the tensile strength, thermal conductivity, solubility and compatibility relative to the various individual components. The 1D nanotubes inhibit the aggregation/stacking of the platelets and thus result in high contact area between MGP/MWCNT and the polymer matrix....

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Improving the thermal conductivity and shape-stabilization of phase change materials using nanographite additives

Two different sets of phase change materials were made by adding either graphene or exfoliated graphite nanoplatelets (xGnP) to paraffin in hot toluene. The thermal and stability properties of these newly synthesized composites were then studied using the TPS method. The addition of xGnP led to a higher thermal conductivity while the addition of graphene led to a higher electrical conductivity. Graphene was found to be better at stabilizing the ...

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Thermal Properties of the Hybrid Graphene-Metal NanoMicro-Composites: Applications in Thermal Interface Materials

As electronic devices become smaller, power densities increase and so do hotspot temperatures, leading to a need for materials that can exchange heat better. The materials that facilitate this heat exchange are called thermal interface materials (TIMs). Graphene has been shown to demonstrate superior thermal conductivity and a particular form called few-layer graphene (FLG) was used in this project. A novel TIM was created by the mixing of a silver ...

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Mechanically-exfoliated stacks of thin films of Bi2Te3 topological insulators with enhanced thermoelectric performance

The 'graphene-like' mechanical exfoliation of Bi2Te3 films is shown to have a significant effect on the thermoelectric properties of these films. The modification of thermal conductivity due to exfoliation leads to enhanced thermoelectric properties, known as figures of merit (ZT).Two different experimental techniques were used in order to determine the thermal conductivity of the exfoliated films: transient plane source (TPS) and laser flash technique (LFT). Annealing was performed ...

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