Researches on the polysulfide electrolyte effect for CdS thin film photoelectrochemical cells

In CdS thin film photoelectrochemical cells,the polysulfide electrolyte can enhance the electron transmission,reduce the recombination of electrons and holes,thus increase the photo to electron conversion efficiency;but this electrolyte also obstacle the light absorbance of CdS thin films.Our experiments which investigated the CdS cells' photoelectrical properties in the electrolyte with unequal sulfide showed that the liquid electrolyte of 0.5 mol/L Na2S、0.5 mol/L NaOH and 0.5 mol/L S is the best polysulfide electrolyte for CdS nanotube thin film photoelectrochemical cells.