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. 2019 Feb 27;9:2893. doi: 10.1038/s41598-019-39127-z

Figure 4.

Figure 4

(a) Thermal conductivity and (b) percentage enhancement of the conductivities of EP/GF, EP/GNPs and EP/ND@GNPs composites as a function of filler concentration; (c) the digital photograph image of water evaporation above EP (left), EP/GF20 (middle left), EP/GNPs20 (middle right) and EP/ND@GNPs20 (right) with time (min), and (d) SEM fractograph of EP/GNPs20 (left) and EP/ND@GNPs20 (right).