Spectral Sensitization and Photographic Characteristics of 9-Phenyl-3,3'-Bis(3-Sulfopropyl)-4,5,4',5'-Naphthothiazolo Carbocyanine Triethyl Ammonium Salt
In this paper, it was studied about the red-sensitive layer. UV-Vis data of the dye at monomeric and J-state were considered with respect to their performance(contrast, speed, density and fog) in photographic emulsion. The sensitizing effect of the dye is found to be strongly structure-dependent. Naphthctbiazolo carbocyanine dye can be used as red sensitizing dye for the spectral sensitization of photographic emulsion.