Water-Soluble Fluorescent Carbon Quantum Dots and Photocatalyst Design


  • This work was supported by the Natural Science Foundation of China (NSFC) (No. 20801010 and 20803008), the Foundation for the Authors of National Excellent Doctoral Dissertation of P.R. China (FANEDD) (No. 200929), the Research Grants Council of Hong Kong (Nos. CityU 102206 and CityU 101608).


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Size control: A one-step alkali metal-assisted electrochemical method for the fabrication of carbon quantum dots (CQDs) with size-dependent photoluminescence is presented (see picture). Their upconversion luminescence may provide a way for the development of novel photocatalysts.