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8075725 
Journal Article 
Inkjet ink containing inorganic doped semiconductor (ZnS:Mn) nanoparticle pigments 
Angelo, PD; Farnood, RR 
2009 
Houston, TX 
Nanotechnology 2009: Biofuels, Renewable Energy, Coatings, Fluidics and Compact Modeling - 2009 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2009 
501-504 
English 
Inorganic nanophosphors for use in an inkjet ink have been prepared using colloidally synthesized ZnS:Mn treated with acrylic acid which was polymerized in situ. Cubic crystalline ZnS:Mn particles were observed using XRD and SEM. Surfactant, solvent, humectant, and binder polymer were added to assist in assembly into a continuous film, with poly(vinyl alcohol) functioning best as both a viscosity modifier and resin binder. Pigment concentration was optimized at 1 w/w% to achieve jettability and good rheology. This ink was deposited using a piezoelectric Dimatix® inkjet printer to form printed lines of ZnS:Mn-AA and PVA. Photoluminescence (PL) of printed lines on cellulose acetate was qualitatively characterized. 
inkjet; semiconductor; inorganic; phosphor; photoluminescence 
Bayer, MaterialScience