Coloring of Polystyrene Nanoparticles Assembling on Graphene in Aqueous Solution

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Abstract

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Coloring of polystyrene: Polystyrene nanoparticles assembled on graphene functionalized with polymers can stably be dispersed in water, ethanol, methanol, and polyethylene glycol with a lightful blue. The nanoparticles can also change from blue to white very quickly when trace benzene (1.0 ng mL−1) exists, which would have a potential application in benzene detection by the naked eye.

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