Figure 5.

SEM images of the grown CuO nanowires at different times. Cross-sectional SEM images of CuO nanowires grown at 475°C for (a) 60, (b) 120, (c) 240, and (d) 330 min. The insets show the corresponding top-view SEM images.

Cheng and Chen Nanoscale Research Letters 2012 7:119   doi:10.1186/1556-276X-7-119
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