Table 4 Preparation condition and properties of CdTe 0.5 Se 0.5 /Cd 0.5 Zn 0.5 S QDs
From: Near-infrared emitting CdTe0.5Se0.5/Cd0.5Zn0.5S quantum dots: synthesis and bright luminescence
Sample | Reaction time(min) | PL peak | PL efficiency | FWHM (nm) |
---|---|---|---|---|
6a | N/A | 592.4 | 1.0 | 39.4 |
6-1 | 3 | 611.2 | 7.7 | 47.6 |
6-2 | 6 | 639.6 | 19.9 | 55.4 |
6-3 | 9 | 653.6 | 21.9 | 55.4 |
6-4 | 12 | 664.4 | 26.9 | 57.8 |
6-5 | 15 | 674.4 | 15.0 | 62.8 |
6-6 | 18 | 682.8 | 19.7 | 67.4 |
6-7 | 21 | 692.2 | 28.5 | 73.0 |
6-8 | 25 | 702.6 | 48.9 | 80.4 |
6-9 | 30 | 716.6 | 45.85 | 92.0 |
6-10 | 35 | 735.2 | 40.54 | 94.2 |