Abstract

• In this paper, silver oxide (Ag2O) nanowires grown onto ITO glass substrate from aqueous solution of silver nitrate (AgNO3) and sodium hydroxide (NaOH) were used in dye-sensitized solar cells. Ag2O nanowires were fabricated by using chemical bath deposition method at 300 °C and 400 °C for 1 h. Ag2O nanowires were fabricated by using chemical bath deposition method (CBD). Phase formation and crystal structure of silver oxide were characterized by XRD analysis. The surface morphology of silver oxide nanowires were examined by SEM. The prepared nanowires structures were dye-sensitized with dragon fruit and assembled into a dye-sensitizer. Absorption and transmission properties of extracted dyes and silver oxide nanowires were carried out with UV-Vis spectroscopy. The DSSCs were converted the energy in light absorbed by dyes or pigments into other form of energy. Conversion efficiency (ηcon) and fill factor (FF) were measured and determined by using I-V characteristics. Silver oxide (Ag2O) nanowires photo-electrodes with dragon fruit dye sensitizers for DSSCs exhibited the optimum values of conversion efficiency 0.67 % at 300 °C and 0.63 % at 400 °C at two temperatures and it might be dye to good performance of anthocyanin molecules. Photovoltaic properties of silver oxide (Ag2O) nanowires cells were measured and it was expected to utilize the dye sensitized solar cells applications.