Synthesis and applications of graphene quantum dots: a review

The current review demonstrates that the Graphene quantum dots exhibit superior performances and will be applied in many fields of new materials and novel devices

Weifeng Chen; Guo Lv; Weimin Hu; Dejiang Li; Shaona Chen; Zhongxu Dai

2018

Scholarcy highlights

  • Graphene, discovered by Novoselov et al in 2004, is a new kind of nanomaterial with excellent mechanical, electrical, thermal, and optical properties, following the zero-dimensional fullerenes, and the one-dimensional carbon nanotubes
  • The present work offers a new strategy for large-scale synthesis of Graphene quantum dots with different contents of defects and edge structures, which can be used as the initials for further functionalization in the application of biology, electronic, energy, and engineering
  • Three different kinds of stem cells were cultivated with GQDs, and the results showed that GQDs can smoothly enter into the stem cells
  • Devices and applications can benefit from the GQDs because of their special optical and electrical properties
  • Promising strategies have been provided by elaborate designs of micro-structures and device structures for practical applications and future researches
  • The oxidation reaction was shortened, and the yield was improved to around 8%
  • There is still a long way to go for extensive practical applications, and there is a wide space of exploration for researchers

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