Journal Article 2 ultrathin silver films ITO-free electrodes 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 doped silver 1 hyperbolic metamaterials 1 mehr ... light trapping 1 organic photovoltaics 1 plasmonic waveguide 1 transparent conductors 1 transparent electrodes 1 weniger ...