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Resolution: standard / high Figure 6.
SEM images of the synthesized ZnO samples. With different reaction times: (a) 10, (b) 60, (c) 120, and (d) 180 min. The reaction concentration was 0.25 M.
Hou et al. Nanoscale Research Letters 2012 7:507 doi:10.1186/1556-276X-7-507 |
