Thermal Conduction in Aligned Carbon Nanotube–Polymer Nanocomposites with High Packing Density
Source abstract
Abstract
Nanostructured composites containing aligned carbon nanotubes (CNTs) are very promising as interface materials for electronic systems and thermoelectric power generators. We report the first data for the thermal conductivity of densified, aligned multiwall CNT nanocomposite films for a range of CNT volume fractions. A 1 vol % CNT composite more than doubles the thermal conductivity of the base polymer. Denser arrays (17 vol % CNTs) enhance the thermal conductivity by as much as a factor of 18 and there is a nonlinear trend with CNT volume fraction. This article discusses the impact of CNT density on thermal conduction considering boundary resistances, increased defect concentrations, and the possibility of suppressed phonon modes in the CNTs.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Thermal properties of materials · Carbon Nanotubes in Composites · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, Building 530, Room 224, 440 Escondido Mall, Stanford University, Stanford, California 94305, United States
Department of Aeronautics and Astronautics, Room 41-317, 77 Massachusetts Avenue, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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