In this work, results on laser processing of thin metal films deposited on paper are presented. Au, Ag, Cu, and Ni films are deposited by classical pulsed laser deposition method on different paper types—standard printer, glossy, and silicone paper. The produced films are then processed by nanosecond pulses delivered by Nd:YAG laser system operating at the basic wavelength of 1064 nm. The laser processing parameters are varied and their influence on the film modification is presented. It is shown that at certain conditions, the laser treatment of the films leads to formation of a discrete nanostructure, composed of a monolayer of spherical nanoparticles. The structure and morphology of the fabricated samples are presented and discussed. Results on the use of these structures in Surface Enhanced Raman Spectroscopy are also presented. The demonstrated method is an alternative way for fabrication of metal nanostructures with application in low cost sensor device fabrication.
Applied Physics A: Materials Science Processing – Springer Journals
Published: Aug 7, 2017
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