2.2. Apparatuses
The morphology and microstructure of QDs were inspected by a
JEM-2100 transmission electron microscope (TEM, Japan). Phosphorescence
and fluorescence were measured by a Cary Eclipse fluorescence
spectrophotometer (Varian American Pty Ltd., America),
which equipped with a plotter unit and a quartz cell (1 cm 1 cm)
in the phosphorescence mode.