Facile synthesis of water-soluble, highly fluorescent graphene quantum dots as a robust biological label for stem cells

We present a facile electrochemical method for synthesizing uniform sized graphenequantum dots with a strong yellow emission at 14% quantum yield

Mo Zhang; Linling Bai; Weihu Shang; Wenjing Xie; Hong Ma; Yingyi Fu; Decai Fang; Hui Sun; Louzhen Fan; Mei Han; Chenmin Liu; Shihe Yang

2012

Scholarcy highlights

  • We present a facile electrochemical method for synthesizing uniform sized graphenequantum dots with a strong yellow emission at 14% quantum yield
  • The structure and emission mechanism of the GQDs have been studied by combining extensive characterization techniques, rigorous control experiments and theoretical calculations
  • We further demonstrate the distinctive advantages of such GQDs for direct and efficient stem cell labeling, opening up great opportunities for their bio-medical applications

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