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TEM images (A-C) of Ag/SiO2 nano-particles with varying thickness of SiO2 shell: (a) 2 nm; (b) 5 nm; (c) 20 nm; and (d) shows the SAED pattern take from the Ag core.
(Color online) The absorbance spectra of Ag/SiO2 nano-particles synthesized by sol-gel method.
The emission enhancement ratio of Ag/SiO2 coated samples as a function of SiO2 thickness.
(Color online) TRPL decay curves for the reference and Ag/SiO2 nanoparticle coated samples.
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