Zi-hao ZHOU, Fan YANG, Dong LI, Jian-ping WANG, Jian-hua XU. pH Dependent Time-Resolved Fluorescence Spectra of ZnSe Quantum Dots Based on Glutathione Ligands[J]. Spectroscopy and Spectral Analysis, 2021, 41(10): 3178
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 10, 3178 (2021)
Fig. 1. Fluorescence and UV-Vis absorption spectra (a) and transmission electron microscopy characterization of ZnSe quantum dots (b)
Fig. 2. Steady-state fluorescence spectra of ZnSe quantum dots at different pH values
Fig. 3. Fluorescence decay curves of ZnSe quantum dots at different pH values
Fig. 4. Fluorescence average lifetime (a) and two lifetimes (b) vs. pH values
Fig. 5. Steady-state fluorescence spectra and fluorescence lifetimes of ZnSe quantum dots vs. emission wavelength when pH value is 6, 7 and 8
Fig. 6. The ratio τ 1/τ 2 of ZnSe quantum dots vs. pH value
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Table 1. Fluorescence lifetimes and amplitudes of each component at different pH values
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