Aligned Graphene Oxide Nanofillers: An Approach to Prepare Highly Thermally Conductive and Electrically Insulative Transparent Polymer Composites

Figure 3

(a) Thermal conductivities of GO/PVA composites at different filler loads (○, in-plane), pure PVA (■), graphite oxide/PVA composite at 5 wt% filler loading (□, in-plane) and fully dense alumina (●); (b) topography and (c) thermal image of GO/PVA (5 wt% GO loading; 25 W/mK); (d) thermal image of micron-sized graphite oxide/PVA composite (5 wt% filler loading; 5 W/mK); and (e) the transmittance of GO/PVA composites by tape casting with different loadings.

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