Journal
OPTICAL MATERIALS
Volume 97, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2019.109396
Keywords
Cu-doped carbon dots; p-Nitrophenol; Inner filter effect; Fluorescence detection
Categories
Funding
- Anhui Laboratory of Molecule -Based Materials Open Fund [fzj19006]
- National Natural Science Foundation of China [21303003, 21375003]
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In this study, we presented a facile strategy to synthesis Cu-doped carbon dots (Cu-CDs) through one-step hydrothermal approach using CuCl2 center dot 2H(2)O and ethanediamine as reaction precursor. Interestingly, the fluorescence of Cu-CDs can be quenched greatly in the presence of p-nitrophenol. Thus, a high selectivity and sensitivity fluorescent sensing platform is constructed for the detection ofp-nitrophenol on account of the inner filter effect. Under the optimal condition, the linear detection range is 0.5-50 mu M with the detection limit of 0.08 mu M (S/N = 3). This method is successfully applied in quantification of p-nitrophenol in lake water samples, which exhibits potential application prospect.
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