Figure 1.

TEM and SEM images of the fishbone-shaped PbS crystals. Obtained via solvothermal route without surfactants at 165°C for 12 h. (a) Dendrites, (b) three-dimensional dendritic structures, (c) hierarchical dendritic structures, and (d) incomplete dendrites.

Cao et al. Nanoscale Research Letters 2012 7:668   doi:10.1186/1556-276X-7-668
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