Abstract：Ag particles films with normal thickness of 300nm were deposited on PC and PET by network thermal evaporation method. The microstructure was studied by XRD and SEM, result shows that obtained particles films of 20nm by network thermal evaporation method are poor crystallization effect. Raman spectrometer and spectrophotometer detect respectively the SERS properties and the SPR properties in the optical properties. The SERS detection result shows that Ag particles films in two kinds of organic substrate for SERS signals have increased, when takes Rhodamine6G as the probe molecule, R6G Raman signal is detected in the PC substrate, PET substrate is still the Raman signal of the PET. The spectrophotometer detects the SPR properties of Ag particles in two kinds of organic substrates is obvious different. Visible, the network thermal evaporation method obtained surely the Ag particles films, and the different basal materials used significantly affect their substrates optical performance such as SERS and SPR properties.
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2020, Vol. 27 