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the experiments. All authors read and approved the final manuscript.”
“Background The synthesis of metal nanoparticles (gold, silver, palladium, copper) and their further incorporation into thin films is of great interest for applications in antibacterial coatings [1, 2], catalysis [3, 4], chemical sensors [5, 6], drug delivery [7, 8], electronics [9], photochemistry [10] or photonics [11, 12]. The wide variety of synthesis methodologies to obtain the metallic particles provide alternative ways to synthesize the nanoparticles controlling various parameters such as the shape, size, surface functionalization or interparticle distance which affect their final properties. A control of these parameters is a challenging goal, and a large number of reports have been published [13–20].