Figure 3 .

UV and PL spectra of CdSe/ZnS QDs (A) and UV–vis spectra of Ag-nNDLS (B). a, smooth Ag nanofilm; b, Ag-nNDL. (C) Absorbance spectra of QDs on each film. (D) Fluorescence spectra of QDs in chloroform at the same absorbance intensity.

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