Table 1. Fitting Parameters of the Time-Resolved PL Spectra of Undoped SrSO4 Nanoplates with Different Detection Wavelengths When the Excitation Wavelength Is Fixed at 375 nm.
I1 | I2 | I3 | I4 | |||||
---|---|---|---|---|---|---|---|---|
excitation wavelength (nm) | detection wavelength (nm) | A0 | τ1 (ns) | τ2 (ns) | τ3 (ns) | τ4 (ns) | τave (ns) | χ2 |
375 | 418 | 7.63 | 47139.8 | 32818.5 | 8114.1 | 401.2 | 3.52 | 1.153 |
0.51 | 1.88 | 5.59 | 15.97 | |||||
375 | 485 | 14.43 | 40532.4 | 40611.6 | 14262.1 | 1106.4 | 4.40 | 1.247 |
0.46 | 1.77 | 5.49 | 15.07 |