Pengtao Pan, Fanyu Zou, Lijuan Zhi, Junlei Yin. Synthesis of Fluorescent N/Al Co-Doped Carbon Dots and Its Application in Detection of Hydrogen Peroxide[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0916002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 9, 0916002 (2021)
Fig. 1. Synthesis and size characterization of N/Al co-doped carbon dots. (a) Flow chart of synthesis ; (b) AFM image (height profile along mark lines shown in inset); (c) size distribution
Fig. 2. Optical properties of N/Al co-doped carbon dots. (a) UV-vis absorption spectrum; (b) fluorescence emission spectra
Fig. 3. FTIR characterization of N/Al co-doped carbon dots
Fig. 4. XPS characterization of as-prepared carbon dots. (a) Full spectra; (b) Al2p; (c) N1s; (d) C1s
Fig. 5. Environmental adaptability of N/Al co-doped carbon dots. (a) UV-irradiation; (b) salt ion(Na+); (c) temperature; (d) pH value
Fig. 6. Influence of H2O2 on fluorescence of N/Al co-doped carbon dots under different response time. (a)UV-Vis absorption spectra; (b) fluorescence emission spectra
Fig. 7. Response of carbon dot fluorescence to H2O2. (a) Fluorescence intensity of carbon dots versus concentration of H2O2; (b) quenching efficiency of carbon dots versus concentration of H2O2
Fig. 8. Detecting mechanism of H2O2 for carbon dots
|
Table 1. Various types of carbon dots used for detection of H2O2
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20