Figure 4From: Optical properties of Ag nanoparticle-polymer composite film based on two-dimensional Au nanoparticle array filmFluorescence spectra. 1 R6G/PVP. 2 R6G /PVP/Au film. 3 R6G/Ag nanowire/PVP. 4 R6G/Ag nanosphere/PVP. 5 R6G/Ag nanowire/PVP/Au film. 6 R6G/Ag nanosphere/PVP/Au film. 7 Ag nanosphere/PVP. 8 PVP. 9 Ag nanowire/PVP films.Back to article page