Figure 4 .

PL spectra for CdSe/ZnS nanocrystals on silver surfaces (A). a, smooth surface; b, rough surface. (B) Time profile of PL signal for CdSe/ZnS nanocrystals on Ag surfaces.

Ahmed et al. Nanoscale Research Letters 2012 7:438   doi:10.1186/1556-276X-7-438
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