Table 4

Preparation condition and properties of CdTe0.5Se0.5/Cd0.5Zn0.5S QDs
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

aThe core/shell QDs were prepared by using sample 6. The properties of CdTe0.5Se0.5 cores are listed for comparison.

N/A not available.

Yang et al.

Yang et al. Nanoscale Research Letters 2012 7:615   doi:10.1186/1556-276X-7-615

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