Abstract
The properties of graphene oxide (GO) – silver nanoparticles (Ag NPs) composite films prepared by wet-chemical processing were investigated. The focus of the study is the development of the printable transparent conductive electrode for the flexible organic solar cell, as an alternative to the costly and brittle indium-tin oxide (ITO) layers. Optical properties of the investigated GO:AgNPs composite layers points out that the increase in concentration of silver nanoparticles improves the transmittance. Moreover, addition of silver nanoparticles have positive effect on the sheet resistance of obtained layers, however only up to certain value of silver concentration (20—30 vol%), after which the reverse effect is observed. This effect can be explained by the agglomeration of the AgNPs in the suspension.. This study presents initial results. In order to obtain better optoelectrical properties further studies regarding optimization of fabrication process are needed.
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