Amphiphilic protein in printed electronics

One or more layers of suitable functional material a method for producing an organic electronic device comprising on a substrate, an intermediate layer of at least one amphiphilic protein, between adjacent layers of the functional material, or substrate characterized in that disposed between the adjacent layers of the functional materials, manufacturing method of the organic electronic device is disclosed a. Intermediate layer protein, to improve adhesion of the layer without adversely affecting the performance of the device.