Figure 3.

FE-SEM and TEM bright field images of CeO2nanospheres. (a) FE-SEM images of CeO2 nanospheres prepared at 200°C for 24 h; (b) TEM bright field images of CeO2 nanospheres prepared at 160°C for 12 h; (c) and (d) are TEM bright field images with corresponding SAED patterns (insets) of CeO2 nanospheres prepared at 200X°C for 12 h.

Phokha et al. Nanoscale Research Letters 2012 7:425   doi:10.1186/1556-276X-7-425
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