The resistance characteristic of the polymer carbon microcoil composite with temperature change
2017
ABSTRACTNovel polymer carbon microcoil (CMC) composite has been fabricated by the intercalation of polymer material into free volume contained in CMC sheets grown by chemical vapour deposition process. Then the resistance of composite was measured in two-probe method. It was observed that the resistances of the composite have good reversibility as the temperature cyclic changing near the room temperature; in addition, the intercalation of the organic polymers such as polyvinyl alcohol can improve the resistance sensitivity. We propose that the resistance change is dominantly determined by the contact junctions of CMCs in the composite, which gives a reasonable explanation to the reversibility. The study will be used for sensor research.
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