Investigation of surface energy, polarity, and electrical and optical characteristics of silver grids deposited via thermal evaporation method

In this paper, the silver grids are prepared by thermal evaporation method and the electrical and optical characteristics of the samples are compared with those reported by the sputtering deposition method. The silver grids with 60 nm show the better figure of merit. Besides, we found that the surface contact, surface polarity and surface energy of the metal grid/organic layer increase with increasing the grid thickness due to increasing sulfur content.