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. 2020 Aug 28;11:4346. doi: 10.1038/s41467-020-18212-2

Fig. 3. Measured thermal rectification of HI-P nanofiber junction #1.

Fig. 3

a Heat flow of a pristine crystalline PE nanofiber as a function of temperature bias ΔT under the forward and reverse biases at environmental temperature T = 435 K. b Heat flow of HI-P junction #1 under the forward and reverse biases at environmental temperature T = 435 K. The black dashed lines mark the phase transition temperatures. c Thermal rectification factor R as a function of the environmental temperature with the fixed temperature bias ΔT = 9 K. The blue dashed line is for eye guidance of zero rectification. The error bar of rectification is calculated from least-square fitting of the heat flow curve, which is elaborated in Supplementary Note 8.