Printed electrodes on tailored paper enable electrochemical functionalization of paper, 2010 TAPPI International Conference on Nanotechnology for the Forest Product Industry
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Currently most of the applications of printed functionality are established on plastic films. However, the recyclability of such devices is poor. A more sustainable alternative is to use paper as the printing substrate. For example, a thin, lightweight, and foldable thermochromic display has been realized on a regular copy paper .
It has also been shown that a transistor can be realized on a paper substrate by an all-printing process . The barrier and printability properties of such a paper substrate are controlled by separate coating layers. The choice of the pigment as well as the thickness (0.5-10 µm) and porosity of the top coating together with the barrier layer underneath the top coating provide controlled sorption and printability properties. Electrodes printed on this kind of a paper substrate can be applied in liquid environment for electrochemical applications.