Fluorescent carbon dot–molecular salt hydrogels?

Chemical Science Pub Date: 2015-07-29 DOI: 10.1039/C5SC01859E

Abstract

The incorporation of functionalised carbon nanodots within a novel low molecular weight salt hydrogel derived from 5-aminosalicylic acid is reported. The carbon dots result in markedly enhanced gelation properties, while inclusion within the hydrophobic gel results in a dramatic fluorescence enhancement for the carbon nanomaterials. The resulting hybrid CD gels exhibit a useful sensor response for heavy metal ions, particularly Pb2+.

Graphical abstract: Fluorescent carbon dot–molecular salt hydrogels
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