of zinc oxide nanoparticles and about 0 1 to about 50 wt of at least one dispersing agent examples of suitable dispersing agents comprise at least one member selected from the group consisting of diammoniumcitrate catechols e g 4 5 dihydroxy m benzenedisulfonic acid disodium salt certain block copolymers with pigment affinic groups e g byk 190 methoxy ethoxy ethoxy acetic acid oligo or polyacrylic acids and their compounds mixtures thereof among others the dispersion can also comprise at least one carrier or diluent the carrier can be aqueous e g deionized water or based upon one or more suitable organic compounds examples of suitable organic compounds can comprise at least one member selected from the group consisting of isoproproxyethanol ethanol toluene alcohol butanol isoacyl alcohol cetone acetone mek dicetone diole carbitole glycole diglycole triglycole glycol ether ethoxy propoxy isopropoxy butoxyethanol acetate ester glycolester ethyl acetate butyl acetate butoxyethyl acetate alcane toluene xylene acrylic acid methacrylic acid acrylate or methacrylate monomers as well as their derivatives among other suitable substrates the amount of carrier can range from about lt 10 wt to about 99 wt of the dispersion the dispersions can be prepared by any suitable methods such as stirring shaking all kind of milling e g media milling three roll milling high speed dispersing rotor stator techniques sonication jet milling to name a few applicable techniques in one aspect of the invention the inventive dispersions can be employed for.