Abstract: The present disclosure relates to a nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with a carboxylic acid, wherein the carboxylic acid has at least one aryl group. The present disclosure also describes a method of preparing the nanoparticle, the method consisting of: (a) providing a first solution having a first organic solvent, and a non-alkali metal salt and a carboxylic acid dissolved therein, wherein the carboxylic acid has at least one aryl group; (b) providing a sulfide material; and (c) combining the first solution and the sulfide material to form a reaction solution, thereby forming a nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with the carboxylic acid, wherein the carboxylic acid has at least one aryl group.

Abstract: The present disclosure relates to a nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with a carboxylic acid, wherein the carboxylic acid has at least one aryl group. The present disclosure also describes a method of preparing the nanoparticle, the method consisting of: (a) providing a first solution having a first organic solvent, and a non-alkali metal salt and a carboxylic acid dissolved therein, wherein the carboxylic acid has at least one aryl group; (b) providing a sulfide material; and (c) combining the first solution and the sulfide material to form a reaction solution, thereby forming a nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with the carboxylic acid, wherein the carboxylic acid has at least one aryl group.

Abstract: The present disclosure provides a method of preparing a nanocomposite: (a) providing a first solution having a first organic solvent comprising a non-alkali metal salt, a carboxylic acid comprising at least one aryl group, and a polymer dissolved therein; (b) providing a sulfide material; (c) combining the first solution and the sulfide material; and (d) isolating the nanocomposite, wherein the nanocomposite comprises the polymer and a plurality of nanoparticles, wherein each nanoparticle comprises at least one metal sulfide nanocrystal having a surface modified with the carboxylic acid comprising at least one aryl group. The present disclosure also provides the nanocomposites and articles prepared therefrom.

Abstract: Disclosed herein is a nanocomposite containing a plurality of nanoparticles, each nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with a carboxylic acid, wherein the carboxylic acid has at least one aryl group; and an organic matrix. Also disclosed is a method of preparing the nanocomposite, the method consisting of: (a) providing a plurality of nanoparticles, each nanoparticle containing at least one metal sulfide nanocrystal having a surface modified with a carboxylic acid, wherein the carboxylic acid has at least one aryl group; (b) providing an organic matrix that is a radiation curable monomer, a radiation curable oligomer, or mixtures thereof; and (c) mixing the plurality of nanoparticles with the organic matrix to effect dissolution of the plurality of nanoparticles. Also disclosed is a second method of preparing the nanocomposite wherein (b) consists of providing an organic matrix that is a thermoplastic polymer.