ITO-free organic photovoltaic (OPV) devices with all solution processed transparent anodes of PEDOT:PSS/inkjet
printed Ag grid were demonstrated. Through process control, the polymer/metal grid hybrid electrode films are of
transparency close to 80% and sheet resistance of 48 ohms/sq. A power efficiency of 1.73% was achieved for the OPV
device. The performance can be further improved by process optimization. The technology shows great potential for
low-cost manufacturing of OPV solar cells.