Research on Thermal Conductivity of Electrospun Polyacrilonitrile-Multi-Walled Carbon Nanotubes Composite Carbon Nanofiber Papers
In recent decades, the rapid development of nanoscience and nanotechnology has accelerated materials with high thermal conductivity, such as composite carbon nanomaterials, since heat removal has become a crucial issue. In this work polyacrilonitrile (PAN) incorporated with alteration
of mass fraction (0.3 wt%, 0.62 wt%, 0.92 wt%, 2.74 wt%) of the multi-walled carbon nanotubes (MWCNTs) were used to fabricate composite fibers via electrospinning. The stabilizing and carbonization reactions of composite nanofibers are conducted in tube furnace at 280 °C and 1000 °C.
The structural features of flexible composite carbon nanofiber papers were characterized under scanning electron microscopy (SEM), X-ray powder diffraction (XRD) and Raman spectroscopy. Special attention of composite carbon nanofiber papers is given to cross-plane thermal conductivity and
in-plane thermal conductivity and were measured via Flash Line Analyzer. The results proved that flexible composite carbon nanofiber papers are promising heat sink radiator for a variety of applications including flexible optical and electronic devices.
Keywords: COMPOSITE CARBON NANOFIBER PAPERS; THERMAL CONDUCTIVITY
Document Type: Research Article
Publication date: 01 October 2018
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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