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This review summarizes the synthetic methods and addresses current applications and future perspectives of graphitic carbon nitride quantum dots in the biomedical field.

Amorphous NiSe was deposited on the carbon nanotubes (CNTs) networks by the pulsed laser deposition method forming the 2 −1 −1 CC@CNT@NiSe composites. The CC@CNT@NiSe electrode exhibits a high specific capacitance of 696 F g at 2 A g and the specific 2 2 capacitance retention of 74 % in the long life test. To evaluate the practicality of our electrode, we assembled the CC@CNTs@NiSe //CC@CNTs 2 asymmetric supercapacitor using CC@CNTs@NiSe as positive electrode and CC@CNTs as the negative electrode, which shows an energy 2 −1 −1 density of 11.9 Wh kg at a power density of 242 W kg . This work highlights the advantageous electrochemical performance of NiSe film on 2 CNTs, in which the highly conductive CNTs provide plentful electronic conduction channels and the NiSe film exposures more active sites.

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