Semiconductor and graphene quantum dots : from a perspective of biointerfacing for sensing applications

Compared with conventional dye molecules and semiconductor QDs, grapheme quantum dots (GQDs) have many advantages including their low toxicity, excellent biocompatibility, good resistance to photobleaching, stable emission and easy modulation. Therefore, GQDs are expected to be outstanding alternatives to organic dyes and semiconductor QDs for fluorescence sensing platforms. In this presentation, some typical aspects of synthesis, spectroscopic characterization and bio molecular sensing of these materials will be discussed. (author)