Figure 4.

TEM images of the CdSSe nanocrystals prepared at 240°C with different Se/S feed molar ratios: a 1/3, b 1/1 and c 3/1. The total amount of Se and S is fixed at 0.5 mmol. d HRTEM image of the CdSSe nanocrystals shown in b

Zou et al. Nanoscale Research Letters 2010 5:966-971   doi:10.1007/s11671-010-9593-2