Laser & Optoelectronics Progress, Volume. 56, Issue 7, 071602(2019)
Preparation of Fluorescent Carbon Quantum Dots and Its Application as Probe for Detection of Nitrate Ions
Fig. 1. Characterization of fluorescent carbon quantum dots. (a) Fluorescence spectra of carbon quantum dots under different excitation wavelengths; (b) maximum excitation and emission spectra of carbon quantum dots; (c) XPS image of carbon quantum dots; (d) TEM image of carbon quantum dots
Fig. 2. Condition optimization of pH
Fig. 3. Optimization of reaction time
Fig. 4. Selective analysis
Fig. 5. Detection results under different concentrations of NO3-. (a) Fluorescence spectra; (b) linear curve
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Xiaomei Huang, Xiang Deng. Preparation of Fluorescent Carbon Quantum Dots and Its Application as Probe for Detection of Nitrate Ions[J]. Laser & Optoelectronics Progress, 2019, 56(7): 071602
Category: Materials
Received: Oct. 8, 2018
Accepted: Oct. 30, 2018
Published Online: Jul. 30, 2019
The Author Email: Huang Xiaomei (huangxm917@163.com)