Figure 5.

TEM and SEM images of the PbS microstructures. Obtained with different surfactants via solvothermal processes at 180°C for 12 h, respectively. (a) CTAB, (b) SDS, (c) EDTA, (d) CTA, and (e and f) PEG-400.

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