Figure 1 .

SEM images of the modified PbSe layers obtained by anodic treatment with Norr electrolyte. ( a) Island-like morphology for the samples with initial flat film surface. ( b) Hierarchical porous film for the samples with initial granular film surface.

Zimin et al. Nanoscale Research Letters 2012 7:338   doi:10.1186/1556-276X-7-338
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