Abstract
In this research, we proposed and developed a “single step rubbing method” to fabricate flexible transparent conductive films with highly efficiency, and such films are featured with micro conductive channels embedded in Polyvinylchloride matrix. Based on the intrinsic wear properties of Polyvinylchloride films and intrinsic self-lubrication property of graphite, micro conductive channels and flexible transparent conductive films could be obtained through a convenient rubbing process of commercial nano graphite raw materials. It is a highly efficient technology as the progress consumes only several minutes from raw materials to final products and its benefits in economic, environment and energy aspects. Films with surface resistivity from 35 to 500 kΩ sq−1, and optical transparency from 80 to 95 % at 550 nm can be obtained. The surface stability of the films is strong enough to protect them from aging under destructive surface treatments. Finally, the samples show strain sensitivity with high stability, which means that the samples can also be applied as transparent strain sensing films. Not only the fabrication method but also the TCFs/strain sensing films are very promising to be applied in flexible electronics.
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