Abstract: A process for the preparation of an electrostatographic photosensitive device comprising combining a sodium additive comprising sodium carbonate, sodium bicarbonate, sodium selenite, sodium hydroxide or mixtures thereof with trigonal selenium particles, an organic resin binder and a solvent for the binder to form a milling mixture, milling the milling mixture to form a uniform dispersion, applying the dispersion to a substrate in an even layer and drying the layer.