Figure 6

(a) Normalized emission intensity of the Yb3+ -doped TTG samples containing GNPs or SNPs under 395 and 685 nm excitation. (b) Quantum yields ξ of all the studied samples under 395 and 685 nm excitation wavelengths.
(a) Normalized emission intensity of the Yb3+ -doped TTG samples containing GNPs or SNPs under 395 and 685 nm excitation. (b) Quantum yields ξ of all the studied samples under 395 and 685 nm excitation wavelengths.