Coal as an abundant source of graphene quantum dots.

@article{Ye2013CoalAA,
  title={Coal as an abundant source of graphene quantum dots.},
  author={Ruquan Ye and Changsheng Xiang and Jian Liang Lin and Zhiwei Peng and Kewei Huang and Zheng Yan and Nathan Patrick Cook and Errol L. G. Samuel and Chih-Chau Hwang and Gedeng Ruan and Gabriel Ceriotti and A. O. Raji and Angel A Mart{\'i} and James M. Tour},
  journal={Nature communications},
  year={2013},
  volume={4},
  pages={
          2943
        }
}
Coal is the most abundant and readily combustible energy resource being used worldwide. However, its structural characteristic creates a perception that coal is only useful for producing energy via burning. Here we report a facile approach to synthesize tunable graphene quantum dots from various types of coal, and establish that the unique coal structure has an advantage over pure sp2-carbon allotropes for producing quantum dots. The crystalline carbon within the coal structure is easier to… CONTINUE READING

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