4.7 Article

Strongly green-photoluminescent graphene quantum dots for bioimaging applications

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 24, Pages 6858-6860

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc11122a

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Funding

  1. National Science Foundation of China [50973039, 30830108, 20921003]
  2. National Basic Research Program of China [2007CB936402]

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Strongly fluorescent graphene quantum dots (GQDs) have been prepared by one-step solvothermal method with PL quantum yield as high as 11.4%. The GQDs have high stability and can be dissolved in most polar solvents. Because of fine biocompatibility and low toxicity, GQDs are demonstrated to be excellent bioimaging agents.

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