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Figure 1

From: Positive temperature coefficient thermistors based on carbon nanotube/polymer composites

Figure 1

Microstructure of CNT/HDPE composites and fabrication schematic of the thermistors.

(a) SEM image of CNTs shows a large aspect ratio of over 100. (b) SEM image of HDPE matrix. (c) SEM image of the CNT/HDPE composites with a 10 wt.% CNT loading reveals a uniform dispersion of CNTs throughout the HDPE matrix. (d) Optical images of the CNT/HDPE thermistors after and before package. (e) Fabrication schematic of the CNT/HDPE thermistors consists of melt-mixing, hot-pressing and packaging procedures.

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