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Citation: Zhou Xi, Liu Meihong, Wang Chunpeng, Chu Fuxiang. One-Step Hydrothermal Synthesis of Nitrogen Doped Carbon Dots and Their Application in Cu(Ⅱ) Ion Detection[J]. Chemistry, ;2018, 81(1): 65-69. shu

One-Step Hydrothermal Synthesis of Nitrogen Doped Carbon Dots and Their Application in Cu(Ⅱ) Ion Detection

Zhou Xi ^1,2 ,
Liu Meihong ¹ ,
Wang Chunpeng ^1,2 ,
Chu Fuxiang ^1,2,,

1.
Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042
2.
Research Institute of Forest New Technology, Chinese Academy of Forestry, Beijing 100091

Corresponding author: Chu Fuxiang, chufxg@163.com
Received Date: 29 July 2017
Accepted Date: 12 September 2017

Figures(5)

The nitrogen doped carbon dots based on polyethyleneimine were prepared by one-step hydrothermal method. Ultraviolet-visible absorption, fluorescence spectra and transmission electron microscopy show that the carbon dots have excellent fluorescence performance and good dispersion. In 0.1 mol/L PBS solution, the fluorescence intensity of carbon dots reduces as Cu(Ⅱ) concentration increases gradually. The detection linear range of Cu(Ⅱ) is 50~150 μmol/L with the detection limit of 10 μmol/L. Cytotoxicity test results show that different concentrations of the carbon dots all have low toxicity. The above results show that the carbon dots can successfully detect Cu(Ⅱ) with low cytotoxicity, showing potential application in biological sensing.
- Carbon materials,
- Fluorescence,
- Quenching,
- Cell toxicity
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